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Vol. 49 N° 24 Décembre 2010 |
Vol. 49 N° 23 Décembre 2010 |
Vol. 49 N° 22 Novembre 2010 |
Vol. 50 N° 6 Mars 2011 |
Vol. 50 N° 7 Avril 2011 |
Vol. 50 N° 8 Avril 2011 |
Vol. 50 N° 9 Mai 2011 |
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| Titre : | Industrial & engineering chemistry research, Vol. 50 N° 6 - Mars 2011 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 21/04/2011 |
| Année de publication : | 2011 |
| Format : | p. 3071-3632 / ill. / 28 cm |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| En ligne : | http://pubs.acs.org/toc/iecred/50/6 |
Dépouillements
Article : texte imprimé
Subelia S. Botha, Auteur ;
Patrick Ndungu, Auteur ;
Bernard J. Bladergroen, Auteur
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The structural, rheological, thermal, and dielectric properties of transformer oil-based nanofluids containing silica and silver supported on silica were investigated. Thermal conductivity was found to increase with silica concentration. The gre[...]
Article : texte imprimé
Krzystof Nieszporek, Auteur ;
Tomasz Banach, Auteur
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The kinetics of pure gas adsorption on energetically heterogeneous solid surfaces has been studied by statistical rate theory. The theoretical investigations take into account the influence of lateral interactions between adsorbed molecules. The[...]
Article : texte imprimé
Hua Zhang, Auteur ;
Xiaofei Zeng, Auteur ;
Yongfeng Gao, Auteur
|
In this work, we have developed a facile and inexpensive method to fabricate a superhydrophobic surface with hierarchical nano- and microstructures. The superhydrophobic surface was prepared through spin coating of a mixture of nano- and microsi[...]
Article : texte imprimé
Jinkee Hong, Auteur ;
Yong Soo Kang, Auteur ;
Sang Wook Kang, Auteur
|
We report on the preparation and characterization of multidimensional nano-objects nanoassembly in film surface coatings. 2D reduced graphene oxide (rGO) sheets are assembled with 0D block copolymer micelles (BCM)s through electrostatic layer-by[...]
Article : texte imprimé
Jarod M. Younker, Auteur
|
Chemists are frequently interested in rate equations, which are first-order differential equations. Numerical integration of these equations allows the researcher to accurately predict the concentrations of chemical species at any time given the[...]
Article : texte imprimé
Mohammad A. Rakib, Auteur ;
John R. Grace, Auteur ;
C. Jim Lim, Auteur
|
A bubbling fluidized bed membrane reactor (FBMR) is modeled to estimate and predict the steam reforming of hydrocarbons. A two-phase fluidization model is used, with both the bubble and dense phases in plug flow. Diffusional mass transfer, as we[...]
Article : texte imprimé
Jeevitha R. Raji, Auteur ;
Kandasamy Palanivelu, Auteur
|
An attempt has been made in this study to prepare a nanosized titanium dioxide catalyst by an ultrasonication assisted sol−gel process at low temperature. The as-synthesized titania was modified with carbon from coconut oil as a carbon precursor[...]
Article : texte imprimé
Yizhi Xiang, Auteur ;
Xiaonian Li, Auteur ;
Chunshan Lu, Auteur
|
Reaction performances of hydrogen generated from aqueous-phase reforming (APR) of methanol or ethanol were investigated in hydrogenation of phenol, o-cresol and p-tert-butylphenol, over a Raney Ni or Pd/Al2O3 catalyst, respectively. The properti[...]
Article : texte imprimé
John J. Birtill, Auteur
|
The method of decreasing conversion, constant space−time (DCCST) is sometimes used for empirical determination of catalyst decay kinetics in fixed beds. The method of constant conversion, increasing space−time (CCIST) is used infrequently. Altho[...]
Article : texte imprimé
Arto J. Grohn, Auteur ;
Beat Buesser, Auteur ;
Jorma K. Jokiniemi, Auteur
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Nanoparticle synthesis in turbulent flame aerosol reactors is elucidated by computational fluid dynamics (CFD). Mixing-limited combustion is modeled, and total particle number, area, and volume concentration are described by transport equations [...]
Article : texte imprimé
T. Odedairo, Auteur ;
R. J. Balasamy, Auteur ;
Al-Khattaf, S., Auteur
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An array of zeolites varying in the channel structural design and acidity was investigated in toluene methylation with methanol, together with toluene disproportionation, using fluidized-bed and fixed-bed reactors. The conversions of toluene in [...]
Article : texte imprimé
Maria A. Leon, Auteur ;
Roman Tschentscher, Auteur ;
T. Alexander Nijhuis, Auteur
|
Rotating foam stirrer reactors have a promising application in multiphase reactions. In this reactor, highly porous open-celled materials, solid foams, are used both as a catalyst support and as stirrer blades. One of the advantages of such a fo[...]
Article : texte imprimé
Henrik Strom, Auteur ;
Srdjan Sasic, Auteur ;
Bengt Andersson, Auteur
|
In the current work a detailed study is performed of the turbulent-to-laminar transition at the inlet of an automotive monolithic reactor. The effects of the transition on the conversion of gaseous species and on the deposition of particulate ma[...]
Article : texte imprimé
Shujauddin Changi, Auteur ;
Tanawan Pinnarat, Auteur
|
We determined the kinetics for ethyl oleate hydrolysis in high-temperature water and for the reverse reaction, oleic acid esterification, in near- and supercritical ethanol. Hydrolysis was clearly autocatalytic. The experimental data, from react[...]
Article : texte imprimé
Michael S. Owens, Auteur ;
Madhu Vinjamur, Auteur ;
L. E. Scriven, Auteur
|
Misting of liquids in forward roll coating is a problem under certain conditions. The relaxation time is known to influence misting but the fundamental mechanisms are not clear. A new mechanism for misting of dilute non-Newtonian liquids was pro[...]
Article : texte imprimé
Xinlong Yan, Auteur ;
Lei Zhang, Auteur ;
Ying Zhang, Auteur
|
Several SBA-15 silica materials with different pore structures were synthesized and functionalized with poly(ethyleneimine) (PEI). The as-prepared materials were characterized by XRD, SEM, TG, FT-IR, and N2 physisorption techniques followed by t[...]
Article : texte imprimé
Joungmo Cho, Auteur ;
Maria Koutsona, Auteur ;
Christos Sarigiannidis, Auteur
|
A mathematical model describing the vapor-phase synthesis of II−VI compound semiconductor nanoparticles in a counterflow jet reactor has been developed. The model was used to perform parametric studies in order to identify optimal operating cond[...]
Article : texte imprimé
Galip Akay, Auteur ;
Bandara Dissanayake, Auteur ;
Andy Morgan, Auteur
|
A novel intensive granulation process for the production of powder coatings is described. The method is based on nonisothermal flow-induced phase inversion (FIPI) phenomenon. A powder coating composition in melt state is transformed to coating p[...]
Article : texte imprimé
Kentaro Taki, Auteur ;
Daisaku Kitano, Auteur ;
Masahiro Ohshima, Auteur
|
Creating a high-efficiency bubble nucleation agent for a polymer foaming process is essential for increasing bubble density as well as decreasing bubble size. Spherulites (crystalline phase) grown in a semicrystalline poly(L-lactide) (PLLA) matr[...]
Article : texte imprimé
Xiao - Fei Zeng, Auteur ;
Xian - Rong Kong, Auteur ;
Jun - Lin Ge, Auteur
|
The organic-inorganic hybrid optical materials with a high transmittance of visible-light have shown great potential applications. However, it is still in challenge to maintain the transparency of optical materials when the inorganic nanoparticl[...]
Article : texte imprimé
Huma R. Jafry, Auteur ;
Matteo Pasquali, Auteur ;
Andrew R. Barron, Auteur
|
This study provides an insight into the effect of incorporating nanoparticles on the rheology of fracturing fluids. Vapor grown carbon fibers (VGCFs) are first coated with silica and subsequently functionalized with octadecyltrichlorosilane grou[...]
Article : texte imprimé
Hsin - Yan Lu, Auteur ;
Chin - Lin Teng, Auteur ;
Chien - Hao Kung, Auteur
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The coating solutions composed of surfactant Tween 80 and noncrystalline silica particles with an average size of 4.6 nm were synthesized through a short hydrothermal process. They were spun onto silicon wafers to obtain mesoporous low-k films. [...]
Article : texte imprimé
Amino - functionalized polyethylene for enhancing the adhesion between polyolefins and polyurethanes
Shingo Kobayashi, Auteur ;
Jie Song, Auteur ;
H. Craig Silvis, Auteur
|
Primary and secondary amino-functionalized polyethylenes were synthesized from commercially available maleic anhydride-modified polyethylene by reaction with mono-tert-butoxycarbonyl-protected diamines, N-(tert-butoxycarbonyl)-1,6-diaminohexane [...]
Article : texte imprimé
Makoto Asai, Auteur ;
Megumi Awata, Auteur ;
Yasuhiro Koike, Auteur
|
Diffusion of a solvent through a polymer is one of the important phenomena in the industry. Such diffusion phenomena, however, have complicated multibody problems, and in general, they are difficult to tightly control. In this study, it was our [...]
Article : texte imprimé
T. T. Lamminmaki, Auteur ;
J. P. Kettle, Auteur ;
P. J. T. Puukko, Auteur
|
The absorption of coating binders used in inkjet coatings plays an important role apart from that of the porosity and pore structure of the pigment coating layer. The aim of this work is to clarify how different binder films absorb water-based d[...]
Article : texte imprimé
Weifeng Zhao, Auteur ;
Chao He, Auteur ;
Huiyuan Wang, Auteur
|
Well-defined block copolymers, poly(ethylene glycol) methyl ether-b-poly(styrene) (mPEG-b-PS), in which the PS blocks had different molecular weights, were synthesized by atom-transfer radical polymerization (ATRP) and characterized by Fourier t[...]
Article : texte imprimé
Changhyun Jeong, Auteur ;
Chonghun Han, Auteur
|
Hydrogen, which has gained attention as the next-generation renewable energy source among byproducts, is a raw material that is commonly produced and consumed in all petrochemical complexes. It is also a primary energy source in energy systems t[...]
Article : texte imprimé
Ashok S. Pathak, Auteur ;
Sankalp Agarwal, Auteur ;
Vivek Gera, Auteur
|
The economic optimum design and plantwide control of two alternative processes for cumene manufacture, a conventional process using a vapor-phase packed bed reactor and a reactive distillation (RD) process, are compared in this work. In terms of[...]
Article : texte imprimé
O. Arrieta, Auteur ;
R. Vilanova, Auteur ;
A. Visioli, Auteur
|
The control of stable processes using PI/PID controllers is by now a well established and understood problem (even if new methods and approaches are continuously appearing). However, when the process has integrating or unstable characteristics t[...]
Article : texte imprimé
O. Aras, Auteur ;
M. Bayramoglu, Auteur ;
A.S. Hasiloglu, Auteur
|
Experimental and simulation studies were conducted to design a multiregional fuzzy logic controller (FLC) for a lab-scale pH process system. Scaled coefficients of the controller were optimized offline to obtain the best controller performance i[...]
Article : texte imprimé
Junghui Chen, Auteur ;
Yan-Cheng Jiang, Auteur
|
The repetitive batch operation has a two-dimensional dynamic behavior, including a finite time interval of each batch run in the time domain and infinite repetitions along the batch domain. In this Article, a novel monitoring method that combine[...]
Article : texte imprimé
M. Kasas, Auteur ;
Z. Kravanja, Auteur ;
Z. Novak Pintaric, Auteur
|
In process systems engineering, mathematical models with different economic objective functions, e.g., total cost, profit, net present value, and the internal rate of return, are frequently used for process flow sheet optimization. In financial [...]
Article : texte imprimé
Pedro Amorim, Auteur ;
Carlos H. Antunes, Auteur ;
Bernardo Almada-Lobo, Auteur
|
The recent evidence demonstrating the importance of perishables in terms of store choice and shopping experience makes these products a very interesting topic in many different research areas. Nevertheless, the production planning research has n[...]
Article : texte imprimé
William L. Luyben, Auteur
|
The control of a distillation column with a side reactor is studied for the conversion of n-butane into isobutane for use in the alkylation process. Fresh feed of a mixture of propane, isobutane, n-butane, and isopentane is fed to a distillation[...]
Article : texte imprimé
A novel batch bioprocess monitoring approach based on multiway kernel localized Fisher discriminant analysis (MKLFDA) is proposed in this article. For the routine bioprocess operation with some abnormal events, a supervised monitoring method is [...]
Article : texte imprimé
Lubin Ye, Auteur ;
Zhengshun Fei, Auteur ;
Jun Liang, Auteur
|
This paper proposes an approach of online safety assessment for industrial process operations. The core idea is to apply the Hopf bifurcation analysis of nonlinear systems in safety assessment. Herein, the Hopf bifurcation equations are used to [...]
Article : texte imprimé
Antonius Yudi Sendjaja, Auteur ;
Zhen Fu Ng, Auteur ;
Si Si How, Auteur
|
RTD-A controller has recently been proposed as an alternative to the proportional-integral-derivative (PID) controller for control of single-input single-output systems. The RTD-A controller maintains the simplicity like the PID controller, has [...]
Article : texte imprimé
S. V. Sivakumar, Auteur ;
D. P. Rao, Auteur
|
A modified duplex PSA has been proposed, which could yield sharp separation and has the potential for process intensification. The performances for the original and the modified duplex PSA have been evaluated for two types of systems: the CO2-N2[...]
Article : texte imprimé
S. V. Sivakumar, Auteur ;
D. P. Rao, Auteur
|
We present the simulation studies carried on separation of the N2-O2 mixture with the original and modified duplex PSA. The purities of products were in excess of 99 mol % with the modified duplex PSA, whereas the original duplex PSA yielded pro[...]
Article : texte imprimé
Renata S. D. Castro, Auteur ;
Laercio Caetano, Auteur ;
Guilherme Ferreira, Auteur
|
This article reports on an investigation into the ability of minced banana peel to extract lead and copper ions from water and the parameters involved in this process. The kinetics of copper and lead uptake reached equilibrium in 10 min and the [...]
Article : texte imprimé
José Palomar, Auteur ;
Maria Gonzalez-Miquel, Auteur ;
Alicia Polo, Auteur
|
The quantum chemical Conductor-like Screening Model for Real Solvents (COSMO-RS) method was evaluated as a theoretical framework to computationally investigate the application of room temperature ionic liquids (ILs) in absorptive technologies fo[...]
Article : texte imprimé
Andrey V. Bekker, Auteur ;
Iztok Livk, Auteur
|
A one-dimensional dynamic partial differential equation (PDE) agglomeration model is derived based on the continuous Safronov agglomeration equation. A regularized PDE agglomeration model, represented by a set of convection−reaction−diffusion PD[...]
Article : texte imprimé
Effect of supersaturation on the morphology of coated surface in coating by solution crystallization
Jae-Wook Jung, Auteur ;
Kwang-Joo Kim, Auteur
|
HMX (cyclotetramethylene tetranitramine) was coated with NTO (3-nitro-1,2,4-triazole-5-one) by solution crystallization. Two-step coating crystallization was investigated to enhance coating morphology. The first coating process using HMX seed an[...]
Article : texte imprimé
Anh-Tuan Nguyen, Auteur ;
Jong-Min Kim, Auteur ;
Sang-Mok Chang, Auteur
|
The phase transformation of guanosine 5-monophosphate (GMP) during drowning-out crystallization in a continuous Couette-Taylor (CT) crystallizer was studied experimentally and numerically. At a steady state, the phase transformation of the amorp[...]
Article : texte imprimé
Anna Gorka, Auteur ;
Justyna Zamorska, Auteur ;
Dorota Antos, Auteur
|
A coupled process of ion exchange and biosorption for recovery of copper(II) from wastewater has been proposed. In this process a cation exchanger has been used as a carrier for the biofilm formation. Two different types of microorganisms capabl[...]
Article : texte imprimé
Jan-Bernd Grosse Daldrup, Auteur ;
Christoph Held, Auteur ;
Gabriele Sadowski, Auteur
|
The solubility of amino acids is highly depending on the prevailing pH value. However, this dependency is neglected in the state-of-the-art modeling of solubilities in multisolute solutions. In order to describe the pH-dependency of the solubili[...]
Article : texte imprimé
Yun Lin, Auteur ;
Zisheng Zhang, Auteur ;
Jules Thibault, Auteur
|
To mix viscous fermentation broths more efficiently, a new close-clearance impeller, the rotational reciprocating plate impeller (RRPI), was designed to partly mimic the axial reciprocating plate impeller (ARPI). Akin to the axial movement of a [...]
Article : texte imprimé
A 200 MWe circulating fluidized bed (CFB) boiler with three cyclone separators was built in Inner Mongolia in China, and tests were carried out with the coal combustion process. The objective of this research is to investigate the effect of prim[...]
Article : texte imprimé
Didier Chaussy, Auteur ;
Celine Martin, Auteur ;
Jean-Claude Roux, Auteur
|
The refining operation of cellulose fibrous suspensions results in fibrillation, hydration, and shortening of fibers. To characterize the viscous behavior of such a suspension during processing, rheological properties of bleached softwood fibers[...]
Article : texte imprimé
Zunli Mo, Auteur ;
Chun Zhang, Auteur ;
Ruibin Guo, Auteur
|
Fe3O4 nanoparticles were synthesized for the first time via an ammonia vapor diffusion process under ultrasonic irradiation. The possible ultrasound mechanism and the process of ammonia diffusion and reaction has been deduced. Influences of expe[...]
Article : texte imprimé
M. Outokesh, Auteur ;
M. Hosseinpour, Auteur ;
S. J. Ahmadi, Auteur
|
Hydrothermal synthesis of CuO nanoparticles under near-critical and supercritical conditions was investigated from two different standpoints in the current study. The first standpoint was optimization of “yield”, “purity”, and “size of the nanop[...]
Article : texte imprimé
Ali Eslamimanesh, Auteur ;
Amir H. Mohammadi, Auteur ;
Dominique Richon, Auteur
|
Accurate knowledge of the sulfur content of hydrogen sulfide vapor is an important factor for prediction of the sulfur precipitation conditions in production of many sour natural gases. However, limited data regarding the sulfur content of hydro[...]
Article : texte imprimé
Xiang Wang, Auteur ;
Shuang Wu, Auteur ;
Li, L., Auteur
|
Nanosized spherical polyelectrolyte brushes (SPBs) with tunable size and grafting density were synthesized successfully by photoemulsion polymerization using three photoinitiators. Due to their difference in structure, UV absorption, and mechani[...]
Article : texte imprimé
Mckenzie P. Kohn, Auteur ;
Jechan Lee, Auteur ;
Matthew L. Basinger, Auteur
|
The performance of a four-stroke Honda GC160E spark ignition (SI) internal combustion (IC) engine operating on landfill gas (LFG) was investigated, as well as the impact ofH2 and CO (syngas) addition on emissions and engine efficiency. Tests wer[...]
Article : texte imprimé
Ivana M. Šijacki, Auteur ;
Milenko S. Tokic, Auteur ;
Predrag S. Kojic, Auteur
|
The objective of this work was to investigate the influence of normal aliphatic alcohols (from methanol to n-octanol) and the gas sparger type (single orifice, perforated plate, and sinter plate) on the hydrodynamics of a draft tube airlift reac[...]
Article : texte imprimé
Zuo-Xiang Zeng, Auteur ;
Jing Chen, Auteur ;
Wei-Lan Xue, Auteur
|
The solubility of ammonia in ethanol was measured by a static−analytic method. The total pressure is up to about 0.4 MPa, and temperature ranges from (277.35 to 318.25) K. The relationship between the partial molar volume of ammonia infinitely d[...]
Article : texte imprimé
Tan Lin, Auteur ;
Liu Mingyan, Auteur ;
Hu Zongding, Auteur
|
A novel gas−liquid−solid circulating fluidized bed adsorber for the separation of natural products or traditional Chinese medicines from extracts was successfully developed in this work. The hydrodynamics, axial dispersion, and mixing characteri[...]
Article : texte imprimé
James W. Rice, Auteur ;
Jinxia Fu, Auteur ;
Eric M. Suuberg, Auteur
|
This study explores the solid/liquid phase behavior of mixtures of polycyclic aromatic hydrocarbons (PAHs), exploring the transition from nonideal solid mixtures to a relatively ideal liquid behavior characteristic of “tars”. PAH mixtures have b[...]
Article : texte imprimé
Mi-Yi Li, Auteur ;
Li-Sheng Wang, Auteur ;
Jürgen Gmehling, Auteur
|
The middle range (MR) parameters of the LIQUAC model were improved as a function of temperature to allow the calculation of the activities of all the species in the solution over a wide temperature and concentration range. New parameters were re[...]
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