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Vol. 50 N° 6 Mars 2011 |
Vol. 50 N° 7 Avril 2011 |
Vol. 50 N° 8 Avril 2011 |
Vol. 50 N° 9 Mai 2011 |
Vol. 50 N° 10 Mai 2011 |
Vol. 50 N° 11 Juin 2011 |
Vol. 50 N° 12 Juin 2011 |
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| Titre : | Industrial & engineering chemistry research, Vol. 50 N° 9 - Mai 2011 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 23/06/2011 |
| Année de publication : | 2011 |
| Format : | p. 4801-5880 / ill. / 28 cm |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| En ligne : | http://pubs.acs.org/toc/iecred/50/9 |
Dépouillements
Article : texte imprimé
Aurora Pinazo, Auteur ;
Ramon Pons, Auteur ;
Lourdes Pérez, Auteur
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Surfactants are chemical products consumed in large quantities every day on a worldwide scale. The development of less irritant, less toxic, consumer-friendly surfactants is, therefore, of general interest. Amino-acid-based surfactants constitut[...]
Article : texte imprimé
Ankur Kapil, Auteur ;
Karen Wilson, Auteur ;
Adam F Lee, Auteur
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The heteeogeneously catalyzed transesterification reaction for the production of biodiesel from triglycerides was investigated for reaction mechanism and kinetic constants. Three elementary reaction mechanisms Eley―Rideal (ER), Langmuir― Hinshel[...]
Article : texte imprimé
Fengqi You, Auteur ;
Ignacio E. Grossmann, Auteur ;
John M. Wassick, Auteur
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We propose a multiperiod mixed-integer linear programming (MILP) model for the simultaneous capacity, production, and distribution planning for a multisite system including a number of production sites and markets. Multiple products are produced[...]
Article : texte imprimé
DuyQuang Nguyen, Auteur ;
Sanjay K. Sugumar, Auteur ;
Miguel J. Bagajewicz, Auteur
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In this paper we present a new method for linear and nonlinear sensor network design with applications to variable estimation based on the use of accuracy and residual accuracy. Accuracy has been shown recently to be a better substitute for exis[...]
Article : texte imprimé
Guido Buzzi-Ferraris, Auteur
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This manuscript outlines a novel approach to solving linear programming problems which is referred to as the Attic Method as it deals with constraints as if they were tiles of a roof. This new approach is conceptually different from both Simplex[...]
Article : texte imprimé
Yogendra Shastri, Auteur ;
Urmila Diwekar, Auteur
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Integrated Gasification Combined Cycle (IGCC) system using coal gasification is an important component of future energy alternatives. Consequently, understanding the system operation and optimizing it in the presence of uncertain operating condi[...]
Article : texte imprimé
Janne Karelahti, Auteur ;
Pekka Vainiomaki, Auteur ;
Tapio Westerlund, Auteur
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We introduce a new formulation for a cutting stock problem in the stainless steel industry. The formulation extends some previous models developed for the paper industry. In this formulation, mother coils are assumed to have finite lengths, and [...]
Article : texte imprimé
Existing engineering strategies have been developed for how to support lean production by considering product quality and safety protection design. Consequently, plant operations become sophisticated. In addition, social requirements such as saf[...]
Article : texte imprimé
Pei Liu, Auteur ;
Michael C. Georgiadis, Auteur ;
Efstratios N. Pistikopoulos, Auteur
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Huge and ever-increasing energy consumption and consequent greenhouse gas (GHG) emissions pose unprecedented challenges to the sustainable development of the international human society. Our existing energy systems, where primary energy is conve[...]
Article : texte imprimé
Ozlem Akgul, Auteur ;
Andrea Zamboni, Auteur ;
Fabrizio Bezzo, Auteur
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The E.U. has adopted a target of 10% of energy for transportation coming from renewable sources, including biofuels, by 2020 to tackle the increasing greenhouse gas emissions problem and reduce dependency on fossil fuels. In this paper, mixed in[...]
Article : texte imprimé
Fernando D. Mele, Auteur ;
Andrew M. Kostin, Auteur ;
Gonzalo Guillen-Gosalbez, Auteur
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The objective of this work is to present a quantitative tool to support decision-making in the area of optimal design of supply chains (SC) for the combined production of sugar and ethanol. The problem is formulated as a multiobjective mixed-int[...]
Article : texte imprimé
Peter M. Verderame, Auteur ;
Christodoulos A. Floudas, Auteur
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The operational planning of a multisite production and distribution network entails determining the daily production and shipment profiles for the supply chain under consideration. The generated profiles should provide a tight upper bound on the[...]
Article : texte imprimé
Elisabet Capon-Garcia, Auteur ;
Marta Moreno - Benito, Auteur ;
Antonio Espuna, Auteur
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Batch scheduling and control decision levels are usually optimized separately, even though integrated decisions would potentially increase the overall performance of the plant. This work aims at including in the scheduling problem the operating [...]
Article : texte imprimé
Jeonghwa Moon, Auteur ;
Seon Kim, Auteur ;
Andreas A. Linninger, Auteur
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High-performance processes require a design that operates close to design boundaries and specifications, while still guaranteeing robust performance without design constraint violations. In order to safely approach tighter boundaries of process [...]
Article : texte imprimé
Ana C. S. Amaro, Auteur ;
Ana P. F. D. Barbosa-Povoa, Auteur
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In this paper the optimal planning of supply chains is studied. Two alternative formulations are developed to model the supply chain optimal planning: a discrete and a continuous-time formulation. The former considers the uniform split of the pl[...]
Article : texte imprimé
Arul Sundaramoorthy, Auteur ;
Christos T. Maravelias, Auteur
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The goal of this paper is to discuss the modeling aspects and study the computational performance of scheduling approaches for batch process networks that are based on discrete-time and continuous-time representations. First, we compare the abov[...]
Article : texte imprimé
Cesar de Prada, Auteur ;
Miguel Rodríguez, Auteur ;
Daniel Sarabia, Auteur
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This paper deals with the overall operation of a chemical process where continuous and batch units operate jointly. The paper describes a plantwide model predictive controller (MPC) taking into account both continuous manipulated and controlled [...]
Article : texte imprimé
Tilman Barz, Auteur ;
Günter Wozny, Auteur ;
Harvey Arellano-Garcia, Auteur
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In this work, the implementation of optimal and robust decisions in the presence of various uncertainties comprising model parameters, external conditions, and the closed loop behavior of basic controllers is presented. In order to compute the o[...]
Article : texte imprimé
Diego C. Cafaro, Auteur ;
Jaime Cerdá, Auteur
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Pipeline networks are the dominant mode of conveying a wide variety of oil refined products from refineries to distribution terminals. Pipeline infrastructure usually comprises trunk lines serving high-volume, long-haul transportation requiremen[...]
Article : texte imprimé
Behzad Behdani, Auteur ;
Arief Adhitya, Auteur ;
Zofia Lukszo, Auteur
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Order acceptance under uncertainty is a challenging problem in supply chain management, especially in make-to-order plants, such as in a specialty chemical manufacturing enterprise. In this work, we consider the effect of rush orders and design [...]
Article : texte imprimé
Yang Chen, Auteur ;
Thomas A. Adams, Auteur ;
Paul I. Barton, Auteur
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The optimal design and operation of static polygeneration systems using coal and biomass to coproduce power, liquid fuels and chemicals is studied under different economic and policy scenarios. A mathematical model including material and energy [...]
Article : texte imprimé
José Miguel Lainez, Auteur ;
Gary Blau, Auteur ;
Linas Mockus, Auteur
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Clinical trials and health care studies generate an enormous amount of data. This data is used by pharmaceutical companies during new drug development processes to characterize patient populations and determine a standardized dosage regimen for [...]
Article : texte imprimé
Subanatarajan Subbiah, Auteur ;
Christian Schoppmeyer, Auteur ;
Sebastian Engell, Auteur
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In the process industries where multiple products have to be produced in the batch mode, the optimal assignment of the operations to the available resources and their sequencing can contribute considerably to economic success. Among the several [...]
Article : texte imprimé
Luz María Chávez-Islas, Auteur ;
Ruben Vasquez-Medrano, Auteur ;
Antonio Flores-Tlacuahuac, Auteur
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A mixed-integer nonlinear programming (MINLP) formulation for the molecular design optimization of ionic liquids (ILs) to recuperate ethanol with a purity of 99 mol % or greater from a E85 system (a mixture containing 85 and 15 mol% of ethanol a[...]
Article : texte imprimé
Maté Hegyhati, Auteur ;
Ferenc Friedler, Auteur
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Methods for solving batch process scheduling problems have gone through a vast development in the last 2 decades. Most of the published approaches are based on a mixed integer programming formulation. Since the difficulty of scheduling is origin[...]
Article : texte imprimé
Luz María Chávez-Islas, Auteur ;
Ruben Vasquez-Medrano, Auteur ;
Antonio Flores-Tlacuahuac, Auteur
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In this work, we address the optimal economical synthesis of an extractive distillation column for bioethanol purification, using ionic liquids as a type of solvent that can be designed to feature sustainable characteristics, such as low toxicit[...]
Article : texte imprimé
Bri - Mathias Hodge, Auteur ;
Aviral Shukla, Auteur ;
Shisheng Huang, Auteur
|
Plug-in hybrid electric vehicles (PHEVs) are a transportation technology on the cusp of introduction that has the potential to couple the transportation and electricity energy systems. A multiparadigm model of the electricity and transportation [...]
Article : texte imprimé
Alien Arias Barreto, Auteur ;
Ivonne Rodriguez-Donis, Auteur ;
Vincent Gerbaud, Auteur
|
Heterogeneous extractive batch distillation of the chloroform−methanol minimum-boiling-temperature azeotropic mixture is studied with water as a heterogeneous entrainer. The continuous feeding of water allows recovery of 99 mol % chloroform afte[...]
Article : texte imprimé
Daniela De Luchi, Auteur ;
Lourdes Urpi, Auteur ;
Juan A. Subirana, Auteur
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We present the structure of coiled coils found in two oligonucleotide DNA crystals. The sequences d(ATATATATAT) and d(CGATATATAT) are used. In the first case several coiled coils with different structures are found. In the second case a single s[...]
Article : texte imprimé
C. Pozo, Auteur ;
Gonzalo Guillen-Gosalbez, Auteur ;
A. Sorribas, Auteur
|
The identification of the enzymatic profile that achieves a maximal production rate of a given metabolite is an important problem in the biotechnological industry, especially if there is a limit on the number of enzymatic modulations allowed. Th[...]
Article : texte imprimé
Antonio B. Martinez, Auteur ;
Vera Realinho, Auteur ;
Marcelo Antunes, Auteur
|
Microcellular foams of polystyrene (PS), poly(styrene-co-acrylonitrile) (SAN), and poly(methyl methacrylate) (PMMA) having organically modified layered double hydroxides (LDH) were prepared using a high-pressure CO2 dissolution foaming process a[...]
Article : texte imprimé
Andrea P. Reverberi, Auteur ;
Cristiano Cerrato, Auteur ;
Vincenzo G. Dovi, Auteur
|
The reconciliation of flow rates of fluids entraining and reacting with solid particles is considered in this article. It is shown that, in case the amount of solid particles is not high, the reconciliation problem can be addressed formally as a[...]
Article : texte imprimé
Martina Heitzig, Auteur ;
Gurkan Sin, Auteur ;
Mauricio Sales-Cruz, Auteur
|
Model-based computer aided product-process engineering has attained increased importance in a number of industries, including pharmaceuticals, petrochemicals, fine chemicals, polymers, biotechnology, food, energy, and water. This trend is set to[...]
Article : texte imprimé
Antonis C. Kokossis, Auteur ;
Patrick Linke, Auteur ;
Siyu Yang, Auteur
|
This paper introduces a new stochastic optimization approach in the form of a cascade optimization algorithm. The algorithm incorporates concepts from Markov processes while eliminating the inherent sequential nature that is a major obstacle pre[...]
Article : texte imprimé
Ana R. Ferreira, Auteur ;
Mara G. Freire, Auteur ;
Jorge C. Ribeiro, Auteur
|
Ionic liquids (ILs), with their unique and tunable properties, are attracting the interest of both academia and refining companies as potential solvents for the extraction of specific compounds from hydrocarbons’ streams. For such a purpose, the[...]
Article : texte imprimé
Vincent Ruiz, Auteur ;
Eric Meux, Auteur ;
Sebastien Diliberto, Auteur
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This paper describes the recovery of molybdenum from a spent CoMo/Al2O3 by soda leaching after a roasting step. First, the leaching was performed on a catalyst industrially roasted at 800 °C during 20 min. In order to reach a molybdenum leaching[...]
Article : texte imprimé
Vincent Ruiz, Auteur ;
Eric Meux, Auteur ;
Michel Schneider, Auteur
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This study deals with the feasibility of the oxidative leaching of molybdenum and cobalt sulphides contained in a spent hydrodesulphurisation catalyst using H2O2 in acidic medium. The study was first carried out with MoS2 in order to define the [...]
Article : texte imprimé
Qing Zhao, Auteur ;
Shujuan Wang, Auteur ;
Feng Qin, Auteur
|
We used Raman spectroscopy to systematically and comprehensively measure the concentrations of the main ion components (NH2COO−, HCO3−, and CO32−) in the CO2−NH3−H2O system for an initial total ammonia concentration [A] = 0.69, 0.88, 1.09, 1.34,[...]
Article : texte imprimé
Article : texte imprimé
Zhiyue Gao, Auteur ;
Bing Du, Auteur ;
Guoyan Zhang, Auteur
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Dodecylbenzenesulfonate (DBS) modified NiRTi layered double hydroxides (LDHs) with different Ni/Ti molar ratios were prepared as hydrophobic organics sorbent by one-step co-precipitation method. The basal spacing of DBS―NiRTi (d003 = 2.99―3.54 n[...]
Article : texte imprimé
Sara J. Palmer, Auteur ;
Ray L. Frost, Auteur
|
The precipitate formed during the seawater neutralization (SWN) of Bayer liquors has been characterized by a variety of techniques, including X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX), inductively coupled plasma―optical[...]
Article : texte imprimé
Shilpi Verma, Auteur ;
Basheshwar Prasad, Auteur ;
Indra Mani Mishra, Auteur
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Thermo-chemical precipitation (thermolysis) has been used as a pretreatment method for COD and color reduction from various industrial effluents. This paper reports on the COD reduction from purified terephthalic acid (PTA) wastewater from a pet[...]
Article : texte imprimé
Zhigang Lei, Auteur ;
Aibin Long, Auteur ;
Cuiping Wen, Auteur
|
Selective catalytic reduction (SCR) of NO (nitric oxide) by NH3 (ammonia) at temperatures of393-523 K over AC (activated carbon) supported V2O5 (vanadium pentoxide) was investigated in this work. The V2O5/AC catalyst was prepared by the pore vol[...]
Article : texte imprimé
Loredana E. Nita, Auteur ;
Aurica P. Chiriac, Auteur ;
Maria Bercea, Auteur
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The temperature influence upon the formation of an interpolymer complex (IPC) based on poly(aspartic acid) (PAS) and poly(ethylene glycol) (PEG), was investigated. The water PAS/PEG mixture was studied in the temperature range between 22 and 37 [...]
Article : texte imprimé
Xin Wang, Auteur ;
Lei Song, Auteur ;
Hongyu Yang, Auteur
|
Intumescent flame retardant poly(butylene succinate) (IFRPBS) composites with enhanced fire resistance were prepared using graphene as synergist. The morphology of fracture surfaces of the composites was investigated by scanning electron microsc[...]
Article : texte imprimé
Wenzhen Li, Auteur ;
Shuguang Lu, Auteur ;
Zhaofu Qiu, Auteur
|
The performance of clofibric acid (CA) degradation in Milli-Q water and wastewater treatment plant (WWTP) effluent by solar/TiO2 and solar/ZnO was investigated in summer and winter seasons. The effects of NO3 and HCO3― anions, humic acid (HA), a[...]
Article : texte imprimé
Hyun-Seok Son, Auteur ;
Sung-Keun Kim, Auteur ;
Jong-Kwon Im, Auteur
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The sonolysis of 1,4-dioxane in the absence and the presence of zero-valent iron (Fe0) was investigated by altering bulk temperature and ultrasonic frequency conditions. In the absence of Fe0, the sonolytic degradation efficiency of 1,4-dioxane [...]
Article : texte imprimé
An extensive series of experiments have been conducted using a nonthermal plasma generated by dielectric barrier discharge (DBD) process combined with vanadium pentoxide catalyst to reduce the nitrogen oxides (NOx) from diesel engine exhaust ove[...]
Article : texte imprimé
Min Zheng, Auteur ;
Laihong Shen, Auteur ;
Xiaoqiong Feng, Auteur
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Chemical-looping Combustion (CLC) has been proposed as an energy-efficient combustion method for in situ capture of CO2. Kinetic model for parallel reactions of the CaSO4 oxygen carrier with CO in a CLC process is explored in this paper. Tests o[...]
Article : texte imprimé
M. H. Rafiq, Auteur ;
J. E. Hustad, Auteur
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In this work, the potential for the catalytic partial Oxidation (CPOX) of methane (CH4) to produce synthesis gas (H2 and CO) was studied both experimentally and thermodynamically at a fixed pressure (1 bar) and electric power (0.3 kW). The inves[...]
Article : texte imprimé
Yaoyan Xi, Auteur ;
James E. Jackson, Auteur ;
Dennis J. Miller, Auteur
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Representative reaction kinetics are difficult to obtain in mutiphase laboratory trickle bed reactors, particularly when the gaseous reactant is rate-limiting, because of mass transport resistances and reactor hydrodynamics in the trickle bed re[...]
Article : texte imprimé
Geng Chen, Auteur ;
Yong Chi, Auteur ;
Jian-hua Yan, Auteur
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Reverse flow reactors are regarded as an appropriate tool for removing gaseous pollutants from industrial effluents. This paper presents the results of an experimental study on a particular reverse flow reactor with periodic variations in inlet [...]
Article : texte imprimé
Guido Grause, Auteur ;
Shotaro Matsumoto, Auteur ;
Tomohito Kameda, Auteur
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A mixture consisting of 45 wt % polyethylene, 20 wt % polypropylene, 20 wt % polystyrene, and 15 wt % poly( ethylene terephthalate) was pyrolyzed in the presence of steam as well as nitrogen, using a fluidized bed reactor with hard burnt lime (H[...]
Article : texte imprimé
Victor G. Baldovino-Medrano, Auteur ;
Minh Thang Le, Auteur ;
Isabel Van Driessche, Auteur
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The influence of using graphite (G) as a shaping agent for bismuth molybdate (BiMo) catalysts was analyzed. Shaping was done by tableting, with addition of different loadings of graphite (0, 0.5, 1, 3, 5, 7, and 10 wt The use of graphite during [...]
Article : texte imprimé
Jayprakash M. Nadgeri, Auteur ;
Narayan S. Biradar, Auteur ;
Priyanka B. Patil, Auteur
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Two steps involving catalytic hydrogenation of nitrobenzene to phenylhydroxylamine (PHA) in acid medium and its rearrangement to p-aminophenol (PAP) were studied separately in a batch reactor, using a well-characterized 3% Pt/C catalyst. The fir[...]
Article : texte imprimé
Juan P. Perez Valencia, Auteur ;
Estanislao San Nicolas Sayans, Auteur
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This work describes an improved new reaction scheme for catalytic alcohol dehydration to the corresponding alkene, particularly as applied to styrene monomer production from 1-phenylethanol. The reaction was carried out in a bubble column contai[...]
Article : texte imprimé
Atul Pant, Auteur ;
Steven J. Schmieg, Auteur
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Analysis of catalyst performance data over a commercial Cu―zeolite SCR catalyst shows that NH3 oxidation leads to NO formation at temperatures above 500 °C. This contributes to the reduction ín NO conversion efficiency at high temperatures. It i[...]
Article : texte imprimé
Sung Bong Kang, Auteur ;
Hyuk Jae Kwon, Auteur ;
In-Sik Nam, Auteur
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A simple three-way catalyst (TWC) activity function based upon the alteration of the Pd metallic surface area (MSA) of Pd-only commercial monolith TWCs has been developed to describe the change of the catalytic performance with respect to the Pd[...]
Article : texte imprimé
Gifty Osei-Prempeh, Auteur ;
Hans-Joachim Lehmler, Auteur ;
Stephen E. Rankin, Auteur
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3-Aminopropyl functionalized silica is synthesized directly using cationic fluorinated surfactants (C6F13C2H2NC5H5Cl (HFOPC) and C8F17C2H2NC5H5Cl (HFDePC)) and a hydrocarbon surfactant (C16H33N(CH3)3Br (CTAB)) as templates. The resulting 3-amino[...]
Article : texte imprimé
Wentao Zhai, Auteur ;
Young-Wook Kim, Auteur ;
Dong Won Jung, Auteur
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Expanded polypropylene (EPP) bead foams were processed using steam-chest molding. Interbead bonds formed during processing and was characterized by observing both the product surface and the fracture surfaces using scanning electron microscopy ([...]
Article : texte imprimé
Antonio F. Frau, Auteur ;
Thomas J. Lane, Auteur ;
Andrea E. Schlather, Auteur
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Hybrid and nanostructured ultrathin films of polyaniline (PANI) were fabricated using combined layer-by-layer (LbL) and surface sol−gel (SSG) processing with titanium oxide (TiOx) layers. This enabled modulation of the electrochemical and the do[...]
Article : texte imprimé
Alfred A. Christy, Auteur
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It has been proven by coupling near infared spectroscopy to second derivative processing of the spectra that the free and hydrogen bonded silanol groups attached to water molecules absorb at 5314 and 5270 cm―1, respectively. The same method was [...]
Article : texte imprimé
Sahadevan Rajesh, Auteur ;
Kavalapara H. Shobana, Auteur ;
Selvaraj Anitharaj, Auteur
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Fouling-resistant cellulose acetate (CA) membranes were prepared by the phase inversion technique using hydrophilic poly(amide-imide) (PAI) as the modification agent. The prepared membranes were characterized using attenuated total reflectance F[...]
Article : texte imprimé
Paul D. Swenson, Auteur ;
Geza Horvath-Szabo, Auteur ;
Wael Abdallah, Auteur
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The minimum force needed for transporting glass microspheres across oil/water (O/W) interfaces was determined experimentally. From this data, the O/W contact angle was calculated with a mathematical model. First, the measured minimum centrifugal[...]
Article : texte imprimé
Johanna Galindo-Alvarez, Auteur ;
Veronique Sadtler, Auteur ;
Lionel Choplin, Auteur
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This study deals with the description of the influence of oil viscosity and process conditions on catastrophic phase inversion, through the analysis of the effects of formulation and process variables on the dispersed phase fraction at which the[...]
Article : texte imprimé
Premixed atmospheric flat flame deposition is a large-scale composite fabrication method that combined the advantages of flame synthesis and thermal evaporation. The technology has been successfully developed to sythesize SnO2 nanowires. The res[...]
Article : texte imprimé
Xin-wei Lu, Auteur ;
Wei Wu, Auteur ;
Jian-feng Chen, Auteur
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To develop a suitable method for the mass production of polyaniline (PANI) nanofibers, the preparation of PANI nanofibers was carried out by high gravity chemical oxidative polymerization (HGCOP) in a rotating packed bed (RPB) for the first time[...]
Article : texte imprimé
Bibo Wang, Auteur ;
Qilong Tai, Auteur ;
Shibin Nie, Auteur
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Flame-retardant ethylene vinyl acetate copolymer (EVA) by silica gel-microencapsulated ammonium polyphosphate (MCAPP) and char-forming agent (CFA) have been cross linked by electron beam irradiation. The effects of electron beam irradiation on t[...]
Article : texte imprimé
Ramazan Demir, Auteur ;
Salih Okur, Auteur ;
Seker Mavise, Auteur
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Thin films of CdS nanoparticles were synthesized by the chemical bath deposition (CBD) technique to investigate humidity response characteristics. The morphology and the crystal structure of CdS thin films were investigated by scanning electron [...]
Article : texte imprimé
Natsumi Watanabe, Auteur ;
Shinobu Fujihara, Auteur
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ZnO nanoparticles were prepared by a chemical solution method using the reaction between Zn(CH3COO)2 ·2H2O and LiOH · H2O in an ethanol solvent. A dialyzing treatment of the resultant chemically impure nanoparticles was introduced in the present[...]
Article : texte imprimé
N. Nunez, Auteur ;
J. E. Martin-Alfonso, Auteur ;
M. E. Eugenio, Auteur
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In this work, the use of different cellulosic pulp samples to prepare new formulations potentially applicable as biodegradable lubricating greases is explored. Cellulosic pulps from different raw materials and submitted to different pulping proc[...]
Article : texte imprimé
Shilin Cao, Auteur ;
Delong Song, Auteur ;
Yulin Deng, Auteur
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To improve the bondability between clay filler and lignocellulosic fiber, Kaolin clay particles were modified using a starch―fatty acid complex method. The coating efficiency of starch on clay particle surfaces was investigated by measuring the [...]
Article : texte imprimé
A. D. Ebner, Auteur ;
M. L. Gray, Auteur ;
N. G. Chisholm, Auteur
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This study showed that a solid amine, composed ot poly(ethylenimine) immobilized into a CARiACT G 10 silica substrate, is a feasible sorbent for applications in a pressure swing adsorption (PSA) process for postcombustion CO2 capture. This deduc[...]
Article : texte imprimé
Narendra Reddy, Auteur ;
Vigneshwar Arul Thillainayagam, Auteur ;
Yiqi Yang, Auteur
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This research shows that natural cellulose fibers extracted from cornhusks have better dyeing properties for direct and sulfur dyes and similar dyeing properties for reactive and vat dyes compared to cotton fibers dyed under similar dyeing condi[...]
Article : texte imprimé
A systematic multiobjective optimization procedure is developed in this study to produce realistic multicontaminant water-using network designs. In every given design problem, the most appropriate structure is identitied by solving three mathema[...]
Article : texte imprimé
Toshiharu Goto, Auteur ;
Shingo Ashihara, Auteur ;
Takanori Yamazaki, Auteur
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In this study, we developed a continuous process using extruders in a pilot plant for recycling silane cross-linked polyethylene (silane-XLPE) via chemical reaction in supercritical alcohol. As a first step, an autoclave was employed to reveal t[...]
Article : texte imprimé
An integrated fault detection and isolation and safe-parking framework for networked process systems
Miao Du, Auteur ;
Rahul Gandhi, Auteur ;
Prashant Mhaskar, Auteur
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This work considers the problem of fault detection and isolation (FDI) and fault-handling for networked process systems subject to actuator faults. Multiple units are interconnected in the context of a networked plant. It is assumed that the fai[...]
Article : texte imprimé
Igor Dejanovic, Auteur ;
Ljubica Matijasevic, Auteur ;
Helmut Jansen, Auteur
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This paper introduces a comprehensive design method assembled using facilities of a commercial software package that complemented by Excel programs, which contain own column dimensioning and well established cost estimation procedures, enables p[...]
Article : texte imprimé
Michael Kloppel, Auteur ;
Abebe Geletu, Auteur ;
Armin Hoffmann, Auteur
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Chance-constrained programming is known as a suitable approach to optimization under uncertainty. However, a serious difficulty is the requirement of evaluating the probability of holding inequality constraints through the numerical computation [...]
Article : texte imprimé
Bachar Koubaissy, Auteur ;
Guy Joly, Auteur ;
Isabelle Batonneau-Gener, Auteur
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The adsorption of aromatic compounds (nitrophenols, nitroaniline, chlorophenols, chloroanilines) present in wastewater using dealuminated faujasite zeolite has been investigated. The adsorption capacity of faujasite zeolite depends on the pH, (t[...]
Article : texte imprimé
Jonathan Skrzypski, Auteur ;
Igor Bezverkhyy, Auteur ;
Olivier Heintz, Auteur
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Sulfidation of pure and metal-doped ZnO nanostructure sorbents (M0.03Zn0.97O, M = Fe, Co, Ni, Cu) was studied in order to clarify the effect of metal on the transformation kinetics at 200―350 °C. The solids were prepared by coprecipitation from [...]
Article : texte imprimé
O. P. Nautiyal, Auteur ;
K. K. Tiwari, Auteur
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Dill seed oil contains constituents that work as carminative and find extensive use in the pharmaceuticals, food, flavors, cosmetics, and medical industries. The present study was thus carried out to investigate supercritical carbon dioxide (SC-[...]
Article : texte imprimé
Kohsuke Ikeda, Auteur ;
Daisuke Umeno, Auteur ;
Kyoichi Saito, Auteur
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By using electron-beam-induced graft polymerization, an epoxy-group-containing monomer, glycidyl methacrylate (GMA), was appended onto a 6-nylon fiber; subsequently, N-methylglucamine as a chelate-forming moiety was added to the epoxy group. The[...]
Article : texte imprimé
A partially heat-integrated distillation system is introduced for ternary separation. The lower section of the first column and the upper section of the second column in a conventional two column system for a ternary separation are thermally int[...]
Article : texte imprimé
Maria Gonzalez-Miquel, Auteur ;
José Palomar, Auteur ;
Salama Omar, Auteur
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The quantum chemical COSMO-RS method was applied to describe supported ionic liquid membranes (SILMs) with an enhanced capacity of selective separation of CO2 from N2, in order to contribute to the design of CO2 postcombustion capture technologi[...]
Article : texte imprimé
Alisdair Q. Clark, Auteur
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Jet fuel cleanliness, in terms of dispersed water and dirt, is of paramount importance to ensure aviation safety. In this study, a process image analyzer has been used to determine size distributions of dispersed water droplets and real and stan[...]
Article : texte imprimé
Angeles Blanco, Auteur ;
Esperanza Torres, Auteur ;
Elena Fuente, Auteur
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A new online methodology based on a continuous process video microscopy and image analysis has been developed to study the effects of enzymes on the formation of biofilm. This research consists of two parts: (1) the monitoring of the growth of a[...]
Article : texte imprimé
Alexander Lakhtychkin, Auteur ;
Oleg Vinogradov, Auteur ;
Dmitry Eskin, Auteur
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A model of consecutive placements of two different immiscible fluids, possessing different densities and rheological properties, into an expanding fracture is presented. Hydraulic fracturing technology, based on such a fluid placement, is expect[...]
Article : texte imprimé
Veronica Belandria, Auteur ;
Ali Eslamimanesh, Auteur ;
Amir H. Mohammadi, Auteur
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A detailed description of an experimental setup based on the “static-analytic” technique with gas phase capillary sampling designed, built, and improved “in-house” to measure phase equilibria (pressure, temperature, and compositions) under gas h[...]
Article : texte imprimé
Martin P. Breil, Auteur ;
Georgios M. Kontogeorgis, Auteur ;
Paul K. Behrens, Auteur
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The cubic-plus-association (CPA) equation of state is applied in this work to mixtures containing acetic acid and water. A previously developed modification of the model, the so-called CPA-Huron−Vidal (CPA-HV), is used. New CPA parameters have b[...]
Article : texte imprimé
N. Quijorna, Auteur ;
G. San Miguel, Auteur ;
A. Andrès, Auteur
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The recovery of electric arc furnace (EAF) dust generates large amounts of an industrial byproduct called Waelz slag. This residue, consisting primarily of iron oxide contaminated with other metal oxides (including zinc and lead), is usually dis[...]
Article : texte imprimé
Farhad Gharagheizi, Auteur ;
Ali Eslamimanesh, Auteur ;
Amir H. Mohammadi, Auteur
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In this communication, an Artificial Neural Network―Group Contribution algorithm is applied to represent/predict the parachor of pure chemical compounds. To propose a reliable and predictive tool, 227 pure chemical compounds are investigated. Us[...]
Article : texte imprimé
Md. Iqbal Hossain, Auteur ;
Yanhui Yang, Auteur ;
Armando Borgna, Auteur
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The direct imaging technique has been a common technique for size distribution measurement in multiphase systems. A statistical reconstruction method was developed in a previous study to determine the actual size distribution from image size mea[...]
Article : texte imprimé
Sivaram Harendra, Auteur ;
Cumaraswamy Vipulanandan, Auteur
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Enhanced solubilization of dense nonaqueous phase liquids (DNAPLs) especially chlorinated hydrocarbons using four types of surfactants was investigated. The solubilization kinetics of perchloroethylene PCE ( 100 mg/L solubility in water) and tri[...]
Article : texte imprimé
Three-dimensional time-dependent tracer concentration distributions in nonideal continuous flow stirred tank reactors with pulse input are studied computationally. Both the steady transport equation for mean age and the time-dependent transport [...]
Article : texte imprimé
Malcolm A. Kelland, Auteur
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High pressure dynamic tube blocking tests have been conducted to determine the effect of iron (divalent and trivalent), calcium, magnesium, and sodium ions on the formation of calcium carbonate and barium sulfate scale with and without added sca[...]
Article : texte imprimé
Sanny Verma, Auteur ;
Suman L. Jain, Auteur ;
Bir Sain, Auteur
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An efficient metal free polyethylene glycol wrapped potassium tribromide [PEG.KBr3] has been developed for the first time by using host―guest chemistry. The prepared reagent is found to be an Efficient, stable, cost-effective, and recyclable cat[...]
Article : texte imprimé
Roman Zarzycki, Auteur ;
Grzegorz Rogacki, Auteur ;
Zofia Modrzejewska, Auteur
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A theoretical model of drug release in hydrogels was designed taking into account desorption processes on the solid phase surface and diffusion in pores. The model describes kinetics with two constant parameters independent of concentration and [...]
Article : texte imprimé
Konstantinos D. Demadis, Auteur ;
Maria Paspalaki, Auteur ;
Joanna Theodorou, Auteur
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Herein, the controlled release of etidronic acid (hydroxyethylidene-bis(phosphonic) acid), an important drug for osteoporotic conditions, immobilized onto cationic polymeric matrices, such as polyethyleneimine (PEI) or cationic inulin (CATIN) is[...]
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