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Vol. 47 N°18 Septembre 2008 |
Vol. 47 n°21 Novembre 2008 |
Vol. 47 n°22 Novembre 2008 |
Vol. 47 N° 23 Décembre 2008 |
Vol. 47 n°24 Décembre 2008 |
Vol. 48 N°1 Janvier 2009 |
Vol. 48 N°2 Janvier 2009 |
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| Titre : | Industrial & engineering chemistry research, Vol. 47 N° 23 - Décembre 2008 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 04/01/2009 |
| Année de publication : | 2009 |
| Format : | p. 8957-9794 / ill. / 28 cm. |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| En ligne : | http://pubs.acs.org/toc/iecred/47/23 |
Dépouillements
Article : texte imprimé
Massimo Morbidelli, Auteur ;
Bala Subramaniam, Auteur
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Article : texte imprimé
Jyeshtharaj B. Joshi, Auteur ;
Aniruddha B. Pandit, Auteur ;
Rohit P. Kulkarni, Auteur
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World petroleum residue processing capacity has reached about 810 MMTPA. In the present petroleum refining scenario, the viability of a petroleum refinery strongly depends on the flexibility of processing heavy crudes and, in turn, heavy residue[...]
Article : texte imprimé
Aidong Lan, Auteur ;
Mukasyan, Alexander S., Auteur
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Using energy efficient and rapid solution combustion synthesis technique, a variety of complex, i.e., perovskites/platinum (ABO3/Pt), catalysts were synthesized. A high-throughput NuVant system was used for testing these compositions as an anode[...]
Article : texte imprimé
M. Zanfir, Auteur ;
X. Sun, Auteur ;
A. Gavriilidis, Auteur
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A two-dimensional model for a mesh contactor utilized for acetone stripping from binary mixtures acetone−isopropanol with nitrogen as inert gas, as well as for asymmetric transfer hydrogenation of acetophenone with isopropanol as the hydrogen do[...]
Article : texte imprimé
L. Cao, Auteur ;
J. L. Ratts, Auteur ;
A. Yezerets, Auteur ;
N. W. Currier, Auteur
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A balance of the complexity of the reactor model and the chemical reaction mechanism has to be made in order to predict the dynamic nature of NOx storage/reduction processes in real time. In this work, a one-dimensional, two-phase model is used [...]
Article : texte imprimé
Abdullah A. Shaikh, Auteur ;
Eid M. Al-Mutairi, Auteur ;
Takashi Ino, Auteur
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Mathematical models and simulations of an integrated downer−regenerator FCC unit are presented. The models describe the steady-state nonisothermal behavior of the interdependent heavy oil cracking downflow reactor and catalyst regeneration fluid[...]
Article : texte imprimé
Manuel Z. Solórzano, Auteur ;
W. Harmon Ray, Auteur
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This work characterizes the dynamic behavior of reactors with evaporative cooling. The process under consideration is a continuous stirred tank reactor used to carry out an exothermic irreversible first-order reaction with heat removal through t[...]
Article : texte imprimé
Angela Moreno, Auteur ;
Kevin Murphy, Auteur ;
Benjamin A. Wilhite, Auteur
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A parametric study is presented to highlight design challenges of thermally integrated microchannel networks for portable chemistry and/or fuels reforming. One-dimensional modeling analysis of heat transfer in a two-fluid system is presented for[...]
Article : texte imprimé
Ganapati D. Yadav, Auteur ;
Bhavana G. Motirale, Auteur
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Triclosan is a broad-spectrum bacteriostat and an antimicrobial agent popularly used in hygiene and health care products. The current paper presents a cost-effective and simpler process of synthesis of triclosan from 2,5-dichlorophenol and potas[...]
Article : texte imprimé
Manojkumar Ramteke, Auteur ;
Santosh K. Gupta, Auteur
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This study deals with the hydrolytic step-growth polymerization of ε-caprolactam to produce nylon-6 in a semibatch reactor at near industrial conditions. ε-caprolactam is polymerized in a 1.6 L stainless steel reactor at three different initial [...]
Article : texte imprimé
Kening Gong, Auteur ;
Steve Chafin, Auteur ;
Kent Pennybaker, Auteur
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HYSYS-based process simulation was accomplished for a recently reported 1-butene + isobutane alkylation concept that employs SiO2-supported Nafion catalyst in dense CO2 media to obtain stable C8 alkylates production (solid acid/CO2 process). Sem[...]
Article : texte imprimé
Ganapati D. Yadav, Auteur ;
Bhavana G. Motirale, Auteur
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The novelties of solid−liquid phase transfer catalyzed synthesis of p-nitrodiphenyl ether from p-nitrochlorobenzene and potassium phenoxide were studied in detail with ionic liquids as phase transfer catalysts among others. Tetradecyl(trihexyl)p[...]
Article : texte imprimé
Doraiswami Ramkrishna, Auteur ;
Hyun-Seob Song, Auteur
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A rationale is presented for Monod′s biochemical kinetics which has hitherto been viewed as purely empirical. It is shown here that this expression, which continues to be used by modelers of biochemical processes, has indeed an origin that relat[...]
Article : texte imprimé
Nicole M. Bergmann, Auteur ;
Nicholas A. Peppas, Auteur
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Using a configurational biomimetic imprinting technique, we prepared a family of molecularly imprinting polyacrylamide polymers with recognition for the template protein chicken egg white lysozyme in aqueous solution. We showed the formation of [...]
Article : texte imprimé
Youngsun Kong, Auteur ;
Alex Nikolov, Auteur ;
Darsh Wasan, Auteur
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This article presents the results of our recent research on the texture and stability of oil-in-water emulsions containing sucrose ester and proteins. We used both the direct microscopic imaging and nondestructive back-light scattering (Kossel d[...]
Article : texte imprimé
Manish S. Kelkar, Auteur ;
Wei Shi, Auteur ;
Edward J. Anthony, Auteur
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The ability of simple classical force fields to predict the structure and density of ionic liquids is now well-established. However, it is less clear how accurate such force fields are for a range of other pure and mixture properties of ionic li[...]
Article : texte imprimé
Tae Wook Kim, Auteur ;
Muhammad Sahimi, Auteur ;
Theodore T. Tsotsis, Auteur
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Electrophoretic deposition (EPD) was utilized as a new method for the preparation of hydrotalcite (HT) thin films. The films were deposited on macroporous alumina substrates and on alumina substrates that had been previously coated by convention[...]
Article : texte imprimé
Nicola Forrer, Auteur ;
Olga Kartachova, Auteur ;
Alessandro Butté, Auteur
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Poly(vinyl pyrrolidone) tracers are used to investigate the porosity variation on ion-exchange materials. The porosity was measured as a function of the salt concentration in the mobile phase and of the amount of protein adsorbed on the material[...]
Article : texte imprimé
Rahul C. Patil, Auteur ;
Ram P. Bharti, Auteur ;
Rajendra P. Chhabra, Auteur
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Forced convection heat transfer characteristics for the flow of incompressible power law fluids over a pair of cylinders (of equal diameters) in tandem arrangement has been studied in the two-dimensional, steady cross-flow regime. The field equa[...]
Article : texte imprimé
Krishnan Sankaranarayanan, Auteur ;
Sankaran Sundaresan, Auteur
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An implicit lattice Boltzmann equation to simulate the locally averaged flow behavior of disperse two-phase mixtures is presented. Using a multiscale expansion technique, it is shown that these equations reduce to the widely used two-fluid model[...]
Article : texte imprimé
An experimental and numerical study of the water droplet in collision with a porous surface in the film-boiling regime is reported. The porous substrate with a porosity of 34% and pore size of 76 nm is heated to 300 °C, and the motion of the dro[...]
Article : texte imprimé
Jae Won Lee, Auteur ;
Gilbert F. Froment, Auteur
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A set of intrinsic rate equations based on the Hougen—Watson formalism was derived for the dehydrogenation of ethylbenzene into styrene on a commercial potassium-promoted iron catalyst. The model discrimination and parameter estimation was based[...]
Article : texte imprimé
Yao Bin, Auteur ;
King Lun Yeung, Auteur
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Tip-induced nucleation and crystallization have been observed in polymer thin films. This work shows for the first time that it is possible to induce a rapid crystal growth on amorphous inorganic thin film using the AFM tip. The force applied on[...]
Article : texte imprimé
Ch. Suchitra, Auteur ;
Kalyani Maitra, Auteur ;
Dilip Raut, Auteur
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One of the intermediates of finasteride was oxidized by the reaction of benzeneseleninic (BS) anhydride in refluxing toluene for 16 h. Sometimes, the desired product was obtained, and sometimes, there was no yield or very low yield at the end of[...]
Article : texte imprimé
A. Pourjavadi, Auteur ;
H. Salimi, Auteur
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In this paper we report an efficient synthesis of hydrolyzed collagen-g-poly(sodium acrylate-co-2-hydroxyethyl acrylate) hydrogel through chemical cross-linking by graft copolymerization of these two monomers onto the protein backbone in the pre[...]
Article : texte imprimé
Kishore K. Jena, Auteur ;
K. V. S. N. Raju, Auteur
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Organic−inorganic hybrid coatings were derived from a hydroxyl-terminated hyperbranched polyester, 3-isocyanatopropyl triethoxysilane (ISPTES), and then cross-linked with various percentages of SiO2. This system was able to cross-link by hydroly[...]
Article : texte imprimé
Lisa Starkey Ott, Auteur ;
Amelia B. Hadler, Auteur ;
Thomas J. Bruno, Auteur
|
We have recently introduced several important improvements in the measurement of distillation curves for complex fluids. This method is a significant improvement over current approaches, featuring a composition-explicit data channel for each dis[...]
Article : texte imprimé
Xinhua Qi, Auteur ;
Masaru Watanabe, Auteur ;
Taku M. Aida, Auteur
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Catalytic dehydration of D-fructose to 5-Hydroxymethylfurfural (5-HMF) in acetone/dimethyl sulfoxide solvent mixtures was studied in the presence of a strong acidic cation-exchange resin catalyst (DOWEX 50WX8−100) by microwave heating. The addit[...]
Article : texte imprimé
Sounak Roy, Auteur ;
A. Marimuthu, Auteur ;
Parag A. Deshpande, Auteur
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Selective catalytic reduction (SCR) of NO by NH3 in presence of excess oxygen is an industrially and environmentally important reaction. Determining a suitable catalyst substituted with noble metals or base metal ions with a suitable reaction me[...]
Article : texte imprimé
Libin Wu, Auteur ;
Shipeng Guo, Auteur ;
Chao Wang, Auteur
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The objective of this study was to investigate the direct deoxy-liquefaction of poplar leaves with two kinds of catalysts (T203, Z409). The optimum conditions were found to be at a temperature of 623 K with 3% T203 and 5% Z409. The effect of the[...]
Article : texte imprimé
Belén Gonzalez, Auteur ;
Gemma Grasa, Auteur ;
Monica Alonso, Auteur
|
Calcium oxide is being proposed as a regenerable sorbent for CO2 at high temperatures via a carbonation/calcination loop. It is well-known that natural sorbents lose their capacity to capture CO2 as the number of the carbonation/calcination cycl[...]
Article : texte imprimé
Li, Mingheng, Auteur
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This work focuses on the calculation of chemical equilibrium in a gaseous reactive system with simultaneous single or multiple species adsorption under isothermal and isobaric conditions. Two different algorithms are developed, following the min[...]
Article : texte imprimé
Germán Sierra Gallego, Auteur ;
Catherine Batiot-Dupeyrat, Auteur ;
Joël Barrault, Auteur
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The kinetic behavior of the Ni/La2O3 catalyst obtained from the LaNiO3 perovskite in the reforming reaction of methane with carbon dioxide was investigated as function of temperature and CH4 and CO2 partial pressure. A rate reaction equation was[...]
Article : texte imprimé
Zhengping Gao, Auteur ;
Laihong Shen, Auteur ;
Jun Xiao, Auteur
|
Chemical-looping combustion is an indirect combustion technology with inherent separation of the greenhouse gas CO2. The feasibility of using NiO as an oxygen carrier during chemical-looping combustion of coal has been investigated experimentall[...]
Article : texte imprimé
Vassilis A. Tsiatouras, Auteur ;
Nicholaos P. Evmiridis, Auteur
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NaH-USY, H-USY, and Cu(II)-exchanged NaH-USY samples prepared were studied for ion-exchange mass balance, framework aluminum microenvironments (FAl-MEs), and number and strength of acid sites (AS) generated by the increase of the Cu(II)-exchange[...]
Article : texte imprimé
Nikolay Tikhonov, Auteur ;
Federico Mijangos, Auteur ;
Andreei Dautov, Auteur
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The kinetics of heavy metal uptake—copper and cobalt against sodium—by chelating resins was analyzed experimentally by measuring the internal concentration profiles inside a single bead. Metal concentration profiles inside the particles at diffe[...]
Article : texte imprimé
Greg P. Dechaine, Auteur ;
Flora T. T. Ng, Auteur
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A method has been developed for the production of catalytically active coated ceramic distillation saddles for use in catalytic distillation (CD) columns. A thin layer of magnesium acetate was applied to ceramic Norton saddles using a sol−gel di[...]
Article : texte imprimé
M. Pilar Lobera, Auteur ;
Carlos Téllez, Auteur ;
Javier Herguido, Auteur
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A two-zone fluidized bed reactor (TZFBR) is employed for propane dehydrogenation over a Pt−Sn−K/γ-Al2O3 catalyst. This type of reactor constitutes an alternative to the use of two separate reactors with solid circulation between them or of a sin[...]
Article : texte imprimé
Sandeep Kumar, Auteur ;
Gupta, Ram B., Auteur
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For cellulosic ethanol production, efficient hydrolysis of crystalline cellulose to easily fermentable sugars is important. The focus of this study is to maximize the yield of cellulose hydrolysis in subcritical and supercritical water at practi[...]
Article : texte imprimé
Dagang Liu, Auteur ;
Huafeng Tian, Auteur ;
Lina Zhang, Auteur
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We successfully prepared a series of transparent blend films from castor oil-based polyurethane (PU) and p-phenylene diamine soy protein (PDSP). The miscibility, morphology, and properties of the blend films were investigated with Fourier transf[...]
Article : texte imprimé
Ramya Venkataraman, Auteur ;
Semih Eser, Auteur
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The deposits formed after short durations of pyrolytic degradation consist of carbonaceous solids growing on metal sulfide particles. Carbonaceous solids contain amorphous films and uniformly sized spheroids. Close association of the carbonaceou[...]
Article : texte imprimé
Ramya Venkataraman, Auteur ;
Semih Eser, Auteur
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Reaction of the organic sulfur compounds in Jet A with Fe- and Ni-based alloy substrates under pyrolytic conditions formed significant amounts of metal sulfides. Pyrrhotite (Fe(1−x)S) and heazlewoodite (Ni3S2) were formed on SS316 and Inconel 60[...]
Article : texte imprimé
Yingfeng Yu, Auteur ;
Minghai Wang, Auteur ;
David Foix, Auteur
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In this work, the rheological behavior and structural transitions in poly(ether sulfone) (PES)-modified epoxy systems during phase separation were studied by rheometry instrument, scanning electronic microscopy, time-resolved light scattering, a[...]
Article : texte imprimé
Elisabete Antunes, Auteur ;
Fernando A.P. Garcia, Auteur ;
Paulo Ferreira, Auteur
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Cationic polyacrylamides of very high molecular weight and with different charge densities and degrees of branching have been investigated as retention aids for papermaking. The effects of polymer charge density and polymer branching on drainage[...]
Article : texte imprimé
Koon Fung Lam, Auteur ;
Xinqing Chen, Auteur ;
Gordon McKay, Auteur
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The anion effect was investigated for the copper adsorption on NH2-MCM-41 from Cu(NO3)2 and CuSO4 solutions. The copper adsorption was higher and faster in the presence of SO42− anion compared to NO3−. The MCM-41 possesses well-ordered mesopores[...]
Article : texte imprimé
Chemical vapor synthesis and characterization of nanosized WC-Co composite powder and post-treatment
Taegong Ryu, Auteur ;
Hong Yong Sohn, Auteur ;
Kyu Sup Hwang, Auteur
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Nanosized WC−Co composite powders were produced by a chemical vapor synthesis (CVS) process. The reactions of vaporized chlorides (WCl6 and CoCl2) with methane−hydrogen mixtures produced nanosized WC−Co composite powder, which sometimes containe[...]
Article : texte imprimé
Pu Chen, Auteur ;
Huafeng Tian, Auteur ;
Lina Zhang, Auteur
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We successfully prepared a series of soy protein isolate (SPI) plastics with ε-caprolactone (CL)/glycerol binary plasticizers via extrusion and compression-molding. The chemical reactions among SPI, CL, and glycerol as well as the influence of C[...]
Article : texte imprimé
Ailar Hajimohammadi, Auteur ;
John L. Provis, Auteur ;
Jannie S. J. van Deventer, Auteur
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In geopolymer technology, silicate solutions are frequently used as alkali activators to dissolve the solid aluminosilicate precursor and aid in binder formation. These corrosive and often viscous solutions are not user-friendly and would be dif[...]
Article : texte imprimé
Rodrigo Serna-Guerrero, Auteur ;
Enshirah Da’na, Auteur ;
Abdelhamid Sayari, Auteur
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The CO2−amine chemistry in gas−solid processes was investigated under both humid and dry conditions using aminopropyl-grafted pore-expanded MCM-41 silica (MONO-PE-MCM-41). To draw accurate conclusions, a set of conditions had to be met including[...]
Article : texte imprimé
Miguel Bagajewicz, Auteur
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Net present value has been widely used in several investment planning models. This article examines the validity of this objective function, discusses its merits, and also provides some simple alternatives.
Article : texte imprimé
Yogendra N. Shastri, Auteur ;
Urmila M. Diwekar, Auteur
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Applications of optimization in the field of process systems engineering often involve dealing with nonlinearity and uncertainty, necessitating the solution of stochastic nonlinear programming (SNLP) problems. However, the existing algorithms to[...]
Article : texte imprimé
Eusebio Bolaños-Reynoso, Auteur ;
Omar Xaca-Xaca, Auteur ;
José Alvarez-Ramírez, Auteur
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The effect of dynamic regulation of vacuum pressure was analyzed in an adiabatic batch crystallizer using data and image acquisition, virtual instruments, and supervisor control to obtain a controlled vacuum pressure, confirming that the process[...]
Article : texte imprimé
Yongyou Hu, Auteur ;
Donald J. Chmielewski, Auteur
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In this work, we develop a control-oriented, reduced order dynamic model of an autothermal reforming (ATR) reactor. The targeted application is within the on-board fuel-processing unit of a fuel cell vehicle. A previous effort has illustrated th[...]
Article : texte imprimé
Ning Lu, Auteur ;
Xiong Wang, Auteur
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The signed digraph (SDG) method for fault diagnosis, which is one of the model-based methods, has been widely applied in the chemical industry in recent years. However, how to elicit appropriate thresholds for SDG is a very difficult problem. Th[...]
Article : texte imprimé
John W. S. Lee, Auteur ;
Jing Wang, Auteur ;
Jae D. Yoon, Auteur
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Structural foams offer numerous advantages over their solid counterparts, including greater geometrical accuracy, the absence of sink marks on the final product’s surface, lower weight (and, by extension, the need for less material), and a highe[...]
Article : texte imprimé
Eduardo Shigueo Hori, Auteur ;
Sigurd Skogestad, Auteur
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The appropriate selection of controlled variables is one of the most important tasks in plantwide control. In this paper, we consider the selection of secondary temperature measurements for indirect composition control of distillation columns. T[...]
Article : texte imprimé
Reui-Chiang Tsai, Auteur ;
Jian Kai Cheng, Auteur ;
Hsiao-Ping Huang, Auteur
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Despite some potential advantages of reactive distillation (RD), reactive distillation may suffer from maintenance/design problems such as catalyst deactivation/replacement and equipment design. In this work, an alternative design, a side reacto[...]
Article : texte imprimé
Irene Mei Leng Chew, Auteur ;
Raymond Tan, Auteur ;
Denny Kok Sum Ng, Auteur
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To date, most work on water network synthesis has been focusing on a single water network. The increase of public awareness toward industrial ecology has inspired new research into interplant water integration (IPWI). In this context, each water[...]
Article : texte imprimé
Reza Zarghami, Auteur ;
Navid Mostoufi, Auteur ;
Rahmat Sotudeh-Gharebagh, Auteur
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Nonlinear time series analysis techniques were applied to predict pressure fluctuation data in fluidized beds in two different hydrodynamic states. The method of delays was used to reconstruct the state space attractor to carry out analysis in t[...]
Article : texte imprimé
Junde Lu, Auteur ;
Furong Gao, Auteur
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In the processing industries, operating conditions change to meet the requirements of the market and customers. Under different operating conditions, data-based process modeling must be repeated for the development of a new process model. Obviou[...]
Article : texte imprimé
Wang Fang, Auteur ;
Wang Jingdai, Auteur ;
Yongrong Yang, Auteur
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A theory on the electrostatic charge distribution in gas−solid fluidized beds was proposed. It consists of an interpretation of the causes of bipolar charging, the charging mechanisms in the fluidized bed, and the relationship between charge dis[...]
Article : texte imprimé
Mariano Martin, Auteur ;
Francisco J. Montes, Auteur ;
Miguel A. Galán, Auteur
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In spite of the work on bubble columns, their design and scale-up is still a difficult task due to the lack of understanding of bubble dispersions and mass transfer mechanisms. Even less known are viscous or non-Newtonian fluids. Therefore, a th[...]
Article : texte imprimé
Christina S. Martavaltzi, Auteur ;
Angeliki A. Lemonidou, Auteur
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This study focuses on the effect of various parameters of the synthesis procedure of the CO2 sorbent—CaO−Ca12Al14O33 derived from calcium acetate—on the CO2 sorption ability and lifetime. The synthesis procedure consists of the calcination of th[...]
Article : texte imprimé
Xin Y. Qu, Auteur ;
Lin Zhang, Auteur ;
De S. Tang, Auteur
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The objective of this work is to study the feasibility of vacuum membrane distillation (VMD) by hydrophilic membranes to recover petroleum ether from the extracting solution of solanesol. Being different from the traditional membrane distillatio[...]
Article : texte imprimé
D. Karadag, Auteur ;
E. Akkaya, Auteur ;
A. Demir, Auteur
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In this study, a clinoptilolite bed column system was used to remove ammonium from municipal landfill leachate. Laboratory-scale column experiments were conducted in upflow fixed-bed and fluidized-bed modes with different ammonium concentrations[...]
Article : texte imprimé
Bachar Koubaissy, Auteur ;
Guy Joly, Auteur ;
Patrick Magnoux, Auteur
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This work investigates the removal of various nitrophenolic compounds (ortho-nitrophenol (ONP), para-nitrophenol (PNP), meta-nitrophenol (MNP), and 2,4-dinitrophenol (2,4-DNP)) from aqueous solution using hydrophobic FAU zeolites. The adsorption[...]
Article : texte imprimé
Hai-Feng Xia, Auteur ;
Dong-Qiang Lin, Auteur ;
Li-Ping Wang, Auteur
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Hydrophobic charge induction chromatography (HCIC) has been proven to be an efficient technique for antibody purification. Several HCIC adsorbents were prepared with macroporous cellulose−tungsten carbide composite beads (Cell-TuC) as the matrix[...]
Article : texte imprimé
Carlos A. Correa, Auteur ;
Mónica B. Gramajo de Doz, Auteur ;
Carlos M. Bonatti, Auteur
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A pilot-plant scale unit suitable for recovery of lemon essential oil, lemon wax, and diatomaceous earth that exists in the waste filter cake arising from the dewaxing process of the cold-pressed lemon essential oil has been developed for batch [...]
Article : texte imprimé
Frank Steyer, Auteur ;
Hannsjorg Freund, Auteur ;
Kai Sundmacher, Auteur
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In the conventional process for cyclohexanol production, large amounts of energy are consumed and a considerable quantity of side products is formed. In addition, the process is inherently unsafe. The alternative process of cyclohexene direct hy[...]
Article : texte imprimé
Ulka Sharma, Auteur ;
Beena Tyagi, Auteur ;
Raksh V. Jasra, Auteur
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A series of Mg−Al−CO3 layered double hydroxide (LDH) samples have been synthesized by conventional precipitation and coprecipitation methods. The effect of various synthetic parameters, such as cation molar ratio, mode of addition of magnesium a[...]
Article : texte imprimé
Masumeh Foroutan, Auteur ;
Maryam Mohammadlou, Auteur
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The osmotic virial model and the Flory−Huggins model, with the Debye−Huckel equation as an electrostatic term, have been used to correlate the liquid−liquid equilibrium data for an aqueous solution of polyoxyethylene cetyl ether surfactant (abbr[...]
Article : texte imprimé
Ju Weon Lee, Auteur ;
Phillip C. Wankat, Auteur
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Recycle chromatographic systems were designed to isolate one component from a ternary mixture. Since the concentrations of the dilute ternary mixtures studied (phenols, amino acids, and benzenes) were all in the linear range of isotherms, the La[...]
Article : texte imprimé
Stephanie G. Sorenson, Auteur ;
Joseph R. Smyth, Auteur ;
Milan Kocirik, Auteur
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Optical microscopy and XRD measurements show that silicalite-1 crystals expand when C4−C8 alkanes and i-butane adsorb in the MFI structure at room temperature. The c-direction linear expansion was 0.20−0.45%, and was measured with XRD and optica[...]
Article : texte imprimé
Alain Favre-Reguillon, Auteur ;
Marc Sévignon, Auteur ;
Muriel Rocault, Auteur
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Adsorptive desulfurization was studied using straight-run gas oil (SRGO) with various sulfur contents (390 and 60 ppm S). Immobilization of electron-poor molecules (π-acceptors) on macroporous resins was achieved in three steps starting from com[...]
Article : texte imprimé
Ting-Ting Hu, Auteur ;
Hong Zhao, Auteur ;
Li-Chuan Jiang, Auteur
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Budesonide, as one of the inhaled glucocorticosteroids, is widely used in the treatment of asthma by pulmonary delivery. The purpose of this study was to prepare ultra-fine budesonide particles by antisolvent precipitation for dry powder inhalat[...]
Article : texte imprimé
Yangyang Jiang, Auteur ;
Chen, Guo, Auteur ;
Hansong Xia, Auteur
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In this work, oligopeptide was covalently bonded on the surface of magnetic particles through an ionic liquids spacer. When ionic liquids containing bulky cations with strong H-bonding ability or having hydrophobic anions were used, the yield an[...]
Article : texte imprimé
Zhihua Guo, Auteur ;
L. James Lee, Auteur ;
David L. Tomasko, Auteur
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Steady state permeability coefficients P of carbon dioxide (CO2) in polystyrene (PS) and PS nanocomposites and their corresponding foams at 0.10 MPa (gauge pressure) and three different temperatures were measured. Permeability coefficients of fo[...]
Article : texte imprimé
Qing Xin, Auteur ;
Xingwang Zhang, Auteur ;
Lecheng Lei, Auteur
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Microbial pollution commonly causes serious pipe corrosion in oil-field reinjection water systems. As an alternative and environmentally friendly inactivation technology, the pulsed electric field (PEF) process is employed to inactivate microorg[...]
Article : texte imprimé
Elisangela Wolski, Auteur ;
Elisangele Menusi, Auteur ;
Marcio Mazutti, Auteur
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This work reports the use of response surface methodology to optimize the lipase production by submerged fermentation using immobilized cells of a newly isolated Penicillium sp. For this, experimental designs were employed to evaluate the best c[...]
Article : texte imprimé
Saidu M. Waziri, Auteur ;
Esam Z. Hamad, Auteur
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An extension of a volume-explicit equation of state for chains of tangent hard spheres to chains of fused hard spheres and their mixtures is presented. The extension was achieved by the use of a simple relationship between number of segments and[...]
Article : texte imprimé
Zhi-Yong Zeng, Auteur ;
Yuan-Yuan Xu, Auteur ;
Wang Li-jun, Auteur
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Starting from the original definition of the solubility parameter, two models are developed to calculate the solubility parameter utilizing Perturbed-Chain SAFT and Cubic-Plus-Association equations of state, respectively. C3∼C12 n-alkanes and C1[...]
Article : texte imprimé
Xiang Li, Auteur ;
Zhong Hua Zhu, Auteur ;
Roland De Marco, Auteur
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The direct carbon fuel cell (DCFC) is a promising power generation device, which has a much higher efficiency (80%) and a lower emission than conventional coal-fired power plants. In this study, different commercial carbon fuels including activa[...]
Article : texte imprimé
Qin Xin, Auteur ;
Changjun Peng, Auteur ;
Honglai Liu, Auteur
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The molecular thermodynamic model of polymer solutions based on a close-packed lattice model presented in a previous work has been generally extended to multicomponent chainlike fluid mixtures. The Helmholtz function of mixing contains three ter[...]
Article : texte imprimé
Alan R. Katritzky, Auteur ;
Liliana M. Pacureanu, Auteur ;
Svetoslav H. Slavov, Auteur
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Linear and nonlinear predictive models are derived for a data set of 162 nonionic surfactants. The descriptors in the derived models relate to the molecular shape and size and to the presence of heteroatoms participating in donor−acceptor and di[...]
Article : texte imprimé
Xiao-Sen Li, Auteur ;
Li-Hua Wan, Auteur ;
Gang Li, Auteur
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The gas production behavior from methane hydrate in porous sediment by injecting the brine with the salinity of 0−24 wt % and the temperature of −1 to 130 °C was investigated in a one-dimensional experimental apparatus. The results show that the[...]
Article : texte imprimé
Xinhua Liu, Auteur ;
Xin Cui, Auteur ;
Guang Sun, Auteur
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Gasification of coal and biomass is in pursuit of the technologies based on dual bed combination and a high-density transport bed. Dual fluidized bed gasification (DFBG) relies on rapidly circulated particles between its combustor and gasifier t[...]
Article : texte imprimé
Edgardo M. Contreras, Auteur
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The aim of this work was to study the effect of the initial sulfite concentration on the stoichiometric coefficient of sulfite oxidation. A combined method based on the oxidation of sulfite by oxygen in the presence of cobalt(II) (0.5 mM) as cat[...]
Article : texte imprimé
Tamer Akar, Auteur ;
Burcu Anilan, Auteur ;
Zerrin Kaynak, Auteur
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This work reports the batch and dynamic flow biosorption conditions for Reactive Red 45 dye using Agaricus bisporus/Thuja orientalis biomass mixture (ABTOC). Experiments were performed to determine optimum pH, biomass amount, contact time, tempe[...]
Article : texte imprimé
Tang Xiaojin, Auteur ;
Guangsheng Luo, Auteur ;
Wang Jiading, Auteur
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To investigate the influence of drop breakage and drop coalescence, a mechanism analysis of the liquid−liquid two-phase flow characteristics in the coalescence−dispersion pulsed-sieve-plate extraction column (CDPSEC) is performed. According to t[...]
Article : texte imprimé
Martín Cismondi, Auteur ;
Michael L. Michelsen, Auteur ;
Marcelo S. Zabaloy, Auteur
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In this work, we propose a computational strategy and methods for the automated calculation of complete loci of homogeneous azeotropy of binary mixtures and the related Pxy and Txy diagrams for models of the equation-of-state (EOS) type. The str[...]
Article : texte imprimé
The jet flow mixers in which fluids are mixed in the confined millimeter-sized channels were further studied to better understand the fast liquid mixing process and the means to intensify the mixing performance. Four mixer designs with different[...]
Article : texte imprimé
Kai Wang, Auteur ;
Yangcheng Lu, Auteur ;
Huawei Shao, Auteur
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In this work, the heat-transfer performance of liquid−liquid microdispersed systems was tested for the first time with a microdispersion contactor named a membrane dispersion minicontactor and octane/water as the working system. The volumetric h[...]
Article : texte imprimé
Guoxin Hu, Auteur ;
Xiwu Gong, Auteur ;
Bingnan Wei, Auteur
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Experimental study on the flow patterns and transitions in a novel annular spouted bed with multiple air nozzles was carried out. Three distinct stable flow patterns, i.e. internal jet, jet-spouting, and fully developed spouting were identified.[...]
Article : texte imprimé
Zhang, Li., Auteur ;
Chao Yang, Auteur ;
Zai-Sha Mao, Auteur
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The motion of a single bubble rising unsteadily and steadily in a quiescent non-Newtonian liquid was investigated experimentally. By using a charged coupled device camera to follow the rising bubble, the sequences of the recorded frames were dig[...]
Article : texte imprimé
Chongdian Si, Auteur ;
Qingjie Guo, Auteur
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The fluidization behaviors of binary mixtures of biomass and quartz sand were investigated in an acoustic bubbling fluidized bed. Two kinds of biomass particles, sawdust and wheat stalk, were employed in this test. The experiments indicated that[...]
Article : texte imprimé
Luz Sánchez, Auteur ;
Engracia Lacasa, Auteur ;
Manuel Carmona, Auteur
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Microcapsules with a high amount of PRS paraffin wax encapsulated and narrow size distribution were prepared by a Shirasu porous glass (SPG) emulsification technique and a subsequent suspensionlike polymerization process. An experimental design [...]
Article : texte imprimé
Sajo P. Naik, Auteur ;
Hao Du, Auteur ;
Haijun Wan, Auteur
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Two different strategies for the preparation of active dimethyl ether catalysts are evaluated using CuO−ZnO−Al2O3 and SiO2−Al2O3 as methanol synthesis and methanol dehydration catalysts components, respectively. Composite catalysts are prepared [...]
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