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Vol. 47 n°11 Juin 2008 |
Vol. 47 N°9 Mai 2008 |
Vol. 47 N°10 Mai 2008 |
Vol. 47 N° 13 Juillet 2008 |
Vol. 47 n°12 Juin 2008 |
Vol. 47 N°17 Septembre 2008 |
Vol. 47 n°14 Juillet 2008 |
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| Titre : | Industrial & engineering chemistry research, Vol. 47 n°12 - Juin 2008 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 15/07/2008 |
| Année de publication : | 2008 |
| Format : | p. 4029-4294 / ill. / 28 cm. |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| En ligne : | http://pubs.acs.org/toc/iecred/47/12 |
Dépouillements
Article : texte imprimé
E. Aylón, Auteur ;
A. Fernández-Colino, Auteur ;
M. V. Navarro, Auteur
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Waste tire pyrolysis has been performed in a fixed bed and a moving bed reactor, in order to know the influence of the reactor type on the yields and product characteristics. Typical pyrolysis conditions have been used in both reactors (600 °C a[...]
Article : texte imprimé
Kalpesh B. Sidhpuria, Auteur ;
Parimal A. Parikh, Auteur ;
Pratap Bahadur, Auteur ;
Raksh V. Jasra, Auteur
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Noble metal Rh supported on a large pore high acidic zeolite Hβ has been explored as a hydrodearomatization catalyst. The detail kinetic study of hydrodearomatization of toluene over a 1 wt % Rh/Hβ was done in a continuous-downflow stainless ste[...]
Article : texte imprimé
Shaojun Yang, Auteur ;
Yunhan Xiao, Auteur
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CaO was widely used to capture CO2 in direct hydrogen production process, where steam always existed simultaneously. The effect of steam on CaO carbonation performance under low steam partial pressure was investigated using a pressurized thermog[...]
Article : texte imprimé
Yah Nan Chia, Auteur ;
Michael P. Latusek, Auteur ;
Joseph H. Holles, Auteur
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The catalytic wet oxidation of lactose to carbon dioxide/water and to a value-added product, lactobionic acid, has been demonstrated in a flow reactor. Lactose (milk sugar) is a low value byproduct of the dairy industry and makes up the largest [...]
Article : texte imprimé
Yacine Rezgui, Auteur ;
Miloud Guemini, Auteur
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Nickel−tungsten oxides supported on silica−alumina catalysts were submitted to the coking reaction with n-octane at 150, 250, and 300 °C. The characteristics of deposited coke with different times on stream were studied using the temperature-pro[...]
Article : texte imprimé
Sourabh S. Pansare, Auteur ;
James G. GoodwinJr., Auteur
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Synthesis gas produced from biomass gasification can serve as a starting point for producing electricity, low-to-medium energy fuels, and even hydrogen for fuel cells. The major barrier in commercialization of biomass gasification is the presenc[...]
Article : texte imprimé
Dilek Varisli, Auteur ;
Timur Dogu, Auteur ;
Gulsen Dogu, Auteur
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In this study, mesoporous nanocomposite silicotungstic acid (STA) incorporated MCM-41 and mesoporous aluminosilicate catalysts with narrow pore size distributions, in the range of 2.5–3.5 nm, were successfully synthesized following different imp[...]
Article : texte imprimé
Sourabh S. Pansare, Auteur ;
James G. GoodwinJr., Auteur ;
Santosh Gangwal, Auteur
|
Removal of NH3, tars, and H2S from biomass gasification gas represents a significant step in the commercial use of biomass gasification as a source of hydrogen, syngas, and electricity. This paper reports the results of an investigation into the[...]
Article : texte imprimé
Prashant Kumar, Auteur ;
Enefiok Akpan, Auteur ;
Hussam Ibrahim, Auteur ;
Ahmed Aboudheir, Auteur
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Kinetic, experimental, modeling, and simulation studies of a catalytic high temperature (673−873 K) water−gas shift reaction (WGSR) were performed in a packed bed tubular reactor (PBTR) at several values of W/FA0 (ratio of the mass of the cataly[...]
Article : texte imprimé
Li-Hsin Chang, Auteur ;
Chen, Yu-Wen, Auteur ;
Natarajan Sasirekha, Auteur
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A series of Au/MgOx−TiO2 with various Mg/Ti molar ratios was prepared to study its catalytic activity for preferential oxidation of carbon monoxide in hydrogen-rich stream (PROX). An incipient wetness impregnation method was used to prepare the [...]
Article : texte imprimé
Aron K. Goodwin, Auteur ;
Gregory L. Rorrer, Auteur
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Microchannel reactors offer the intensification of heat transfer to endothermic chemical reactions. Microchannel reactors consist of a parallel array of micron-scale channels that are integrated into one device using microfabrication techniques.[...]
Article : texte imprimé
Akwasi A. Boateng, Auteur ;
Charles A. Mullen, Auteur ;
Neil Goldberg, Auteur ;
Kevin B. Hicks, Auteur
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This study focused on the production of bio-oil from alfalfa stem material. Two alfalfa maturity stages, harvested at the early bud and full flower stages of development, were examined to evaluate the impact of variation in cell wall polysacchar[...]
Article : texte imprimé
Süleyman Köytepe, Auteur ;
Turgay Seçkin, Auteur
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γ-Fe3O4 doped polyimide films with different weight percentages (1, 5, and 10 wt % of Fe3O4) have been prepared and the effect of nonmagnetic γ-Fe3O4 content on the structural and magnetic properties has been studied. X-ray diffraction (XRD) stu[...]
Article : texte imprimé
Fatima M. Plieva, Auteur ;
Bo Mattiasson, Auteur
|
A novel design approach to form macroporous gels is presented. Macroporous gels (MGs), known as cryogels (or gels prepared at subzero temperatures), were prepared inside a protective plastic core (so-called, housing), thus making them resistant [...]
Article : texte imprimé
Sofia N. Rodrigues, Auteur ;
Isabel Fernandes, Auteur ;
Isabel M. Martins, Auteur ;
Vera G. Mata, Auteur
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Polyurethane−urea microcapsules with limonene oil as the active agent were produced by interfacial polymerization, and their suitability for textile applications was studied. Experimental conditions for the textile substrates impregnation were b[...]
Article : texte imprimé
Zukui Li, Auteur ;
Marianthi G. Ierapetritou, Auteur
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This paper addresses the uncertainty problem in process scheduling using robust optimization. Compared to the traditional-scenario-based stochastic programming method, robust counterpart optimization method has a unique advantage, in that the sc[...]
Article : texte imprimé
Alexandru Woinaroschy, Auteur
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Iterative dynamic programming employing randomly chosen candidates for admissible control is applied to the minimization of distillation startup time. The solution of this high-dimensional problem was facilitated mainly by avoiding iterative alg[...]
Article : texte imprimé
Sau M. Lai, Auteur ;
Chi-Wai Hui, Auteur
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Process flexibility is important to ensure that an operation can be both profitable and manipulative to changes in internal or external process parameters. A new flexibility metric (FIV) is defined based on the hypervolume ratio of the feasible [...]
Article : texte imprimé
Chenkun Qi, Auteur ;
Han-Xiong Li, Auteur
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The spatio-temporal modeling problem from the input and output measurements for distributed parameter processes under unknown circumstances is investigated. The traditional Wiener modeling is extended to nonlinear distributed parameter systems w[...]
Article : texte imprimé
Schisandrin B (Sch B) is the most abundant and biologically active dibenzocyclooctadiene lignan present in Fructus Schisandrae (FS). It is a highly desirable ingredient for a dietary supplement. While Sch B has been isolated from FS in the labor[...]
Article : texte imprimé
Salvador García-Muñoz, Auteur ;
John F. MacGregor, Auteur ;
Debashis Neogi, Auteur ;
Bruce E. Latshaw, Auteur
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In the first part of this series [Ind. Eng. Chem. Res. 2006, 45, 7856−7866], data-driven approaches, based on partial least squares (PLS) models built from historical batch data, were used to find optimal batch operating trajectories that would [...]
Article : texte imprimé
Bharat Bhushan, Auteur ;
Jose A. Romagnoli, Auteur
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In this work, we propose a method for unsupervised pattern classification called self-organizing self-clustering network. This method incorporates the concept of fuzzy clustering into the learning strategy of the self-organizing map. The number [...]
Article : texte imprimé
Benjamin J. Ohran, Auteur ;
Johnny Rau, Auteur ;
Panagiotis D. Christofides, Auteur ;
James F. Davis, Auteur
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Accurate detection and isolation of faults is a critical component of a reliable and efficient plantwide fault-tolerant control system. In a recent work (Ohran et al. AIChE J. 2008, 54, 223), we demonstrated that using a nonlinear controller to [...]
Article : texte imprimé
Aivi Das, Auteur ;
Avijit Bhowal, Auteur ;
Siddhartha Datta, Auteur
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Biosorption process has been studied in fixed-bed contactors where terrestrial gravity dictates attainable mass transfer rates. This work explored the mass transfer characteristics of continuous biosorption under centrifugal acceleration (many t[...]
Article : texte imprimé
Sonny Sachdeva, Auteur ;
Anil Kumar, Auteur
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A ceramic supported cross-linked polystyrene (PS) composite membrane has been prepared from its monomers using a dual initiator system, and it has been chemically modified by gas-phase nitration (using NOx), amination using hydrazine hydrate, an[...]
Article : texte imprimé
Hongwei Yu, Auteur ;
Chi Bun Ching, Auteur
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Adsorption, a typical physical phenomenon, always neglected in the kinetic resolution of the racemate catalyzed by enzymes immobilized on the porous solid support, was theoretically analyzed. A concept that the adsorption effect plays an importa[...]
Article : texte imprimé
Zhongqi Ren, Auteur ;
Zhang, Weidong, Auteur ;
Yuan Dai, Auteur ;
Yanqiang Yang, Auteur
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In this paper, the effects of pH on the mass transfer of copper extraction with hollow fiber renewal liquid membrane (HFRLM), which is a new type of liquid membrane system based on the surface renewal theory, were investigated. The system of CuS[...]
Article : texte imprimé
Bernhard Burghoff, Auteur ;
Earl L. V. Goetheer, Auteur ;
Andre B. de Haan, Auteur
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The focus of this investigation is the development of a fast and reliable extractant screening approach. Phenol extraction is selected as the model process. A quantum chemical conductor-like screening model for real solvents (COSMO-RS) is combin[...]
Article : texte imprimé
Yuyun Bao, Auteur ;
Lei Chen, Auteur ;
Zhengming Gao, Auteur ;
Xinnian Zhang, Auteur
|
Temperature effects on gas dispersion and solid suspension have been investigated in a fully baffled, dished-base stirred tank of 0.48 m diameter holding 0.145 m3 of liquid stirred by a triple-impeller combination. The impeller combination consi[...]
Article : texte imprimé
M. B. Oliveira, Auteur ;
F. R. Varanda, Auteur ;
I. M. Marrucho, Auteur ;
A. J. Queimada, Auteur
|
The recent growing interest in biofuels is due to the continuous increase in crude oil prices, limited resources of fossil energies, and environmental concerns. In what concerns road transportation, biodiesel is being considered a good alternati[...]
Article : texte imprimé
Darren L. Williams, Auteur ;
Casie L. Jupe, Auteur ;
Karl D. Kuklenz, Auteur
|
This article outlines the construction of a large-capacity, digital ring tensiometer, using common laboratory equipment, and reports the validation of this instrument against National Institutes of Science and Technology (NIST) data. A Carver pr[...]
Article : texte imprimé
A. Frank Seibert, Auteur ;
J. Christopher Lewis, Auteur ;
James R. Fair, Auteur
|
Bubble columns, in which a gas is passed up through a head of liquid, have been limited to very low superficial gas velocities. Higher rates, such as those used in conventional distillation columns, have not previously been explored. In fact, hi[...]
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