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Vol. 48 N° 15 Août 2009 |
Vol. 48 N° 19 Octobre 2009 |
Vol. 48 N° 17 Septembre 2009 |
Vol. 48 N° 18 Septembre 2009 |
Vol. 48 N° 20 Octobre 2009 |
Vol. 48 N° 21 Novembre 2009 |
Vol. 48 N° 24 Décembre 2009 |
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| Titre : | Industrial & engineering chemistry research, Vol. 48 N° 18 - Septembre 2009 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 10/01/2010 |
| Année de publication : | 2010 |
| Format : | p. 8313-8766 / ill. / 28 cm |
| Note générale : | Chemical engineering |
| Langues : | Français |
| En ligne : | http://pubs.acs.org/toc/iecred/48/18 |
Dépouillements
Article : texte imprimé
Halina Szelag, Auteur ;
Elwira Sadecka, Auteur
|
In this study, the influence of sodium dodecyl sulfate (SDS) on the direct esterification of 1,2-propanediol (propylene glycol, PG) with dodecanoic acid (lauric acid, LA) was investigated. It was stated that formation of a mixed interfacial film[...]
Article : texte imprimé
Wei Guo, Auteur ;
Xiangwen Zhang, Auteur ;
Guozhu Liu, Auteur
|
Use of hydrocarbon fuels as coolants for future high-Mach aircraft is challenged by the formation of carbonaceous deposits during thermal stressing at high temperatures (> 500 °C). Three hydrogen donors, tetralin (THN), α-tetralone (THNone), and[...]
Article : texte imprimé
Nicolas Brosse, Auteur ;
Sannigrahi, Poulomi, Auteur ;
Arthur Ragauskas, Auteur
|
A two-step procedure involving a dilute-acid presoaking step and an aqueous-ethanol organosolv treatment has been evaluated and optimized for the conversion of Miscanthus x giganteus (MxG). This process allowed for the efficient fractionation of[...]
Article : texte imprimé
Liu, Chiung-Fang, Auteur ;
Shin-Min Shih, Auteur
|
The effects of the presence of CO2, O2, and NOx in the flue gas on the kinetics of the sulfation of blast furnace slag/hydrated lime sorbents at low temperatures were studied using a differential fixed-bed reactor. When O2 and NOx were not prese[...]
Article : texte imprimé
S. M. Waziri, Auteur ;
Al-Khattaf, S., Auteur
|
The catalytic ethylation of ethylbenzene with ethanol over ZSM-5 based catalyst has been investigated in a riser simulator that closely mimics the operation of fluidized-bed reactors. Experimental runs were conducted with a constant ethylbenzene[...]
Article : texte imprimé
Lie Lu, Auteur ;
Hong Fan, Auteur ;
Bo-Geng Li, Auteur
|
Polypropylene/ethylene−propylene rubber (PP/EPR) reactor alloys were prepared with a metallocene/Ziegler−Natta hybrid catalyst system (rac-Et(Ind)2ZrCl2/TiCl4/MgCl2) using a process composed of three stages: propylene homopolymerization, metallo[...]
Article : texte imprimé
Zhaoyi Xu, Auteur ;
Liqiang Chen, Auteur ;
Yun Shao, Auteur
|
ZrO2 supports with different properties were prepared, and the hydrogenation of aqueous nitrate catalyzed by ZrO2 supported Pd−Cu bimetallic catalysts was investigated. The results showed that ZrO2 support calcined at 573 K was unstable during t[...]
Article : texte imprimé
Luisa M. Gómez-Sainero, Auteur ;
Richard T. Baker, Auteur ;
Arturo J. Vizcaíno, Auteur
|
The design of new anode materials to promote the reforming of methanol is important for the development of intermediate temperature direct methanol solid oxide fuel cells. A previous study showed Pd/CeO2−Sm2O3 to be a good candidate. Here, the i[...]
Article : texte imprimé
Chenju Liang, Auteur ;
Ya-Ting Lin, Auteur ;
Wu-Hang Shih, Auteur
|
For remediation of trichloroethylene (TCE) contaminated groundwater, activated carbon (AC) has been used to adsorb and reduce the TCE concentration and to manage contaminant migration. Additionally, AC may also act as an activator of the electro[...]
Article : texte imprimé
Takuya Yoshida, Auteur ;
Yukihiko Matsumura, Auteur
|
Supercritical water gasification is suitable for gasifying biomass with high moisture content. Although biomass material can be easily decomposed in supercritical water, it can polymerize to form char products, which may result in serious proble[...]
Article : texte imprimé
Rita Joubert, Auteur ;
Willie Nicol, Auteur
|
Dissolution as well as electrochemical techniques confirmed the existence of multiplicity. The commonly accepted upper multiplicity branch (achieved by Kan liquid prewetting) outperformed the lower branch (achieved by Levec prewetting) by as muc[...]
Article : texte imprimé
Markus Schubert, Auteur ;
Faïçal Larachi, Auteur
|
A new experimental measurement methodology was proposed to characterize the hydrodynamics in gas−liquid−solid semifluidized beds. Using pressure drop measurements in the lower fluidized bed section and a tracer response technique in the upper fi[...]
Article : texte imprimé
Stella Bezergianni, Auteur ;
Spyros Voutetakis, Auteur ;
Aggeliki Kalogianni, Auteur
|
Hydrocracking of vegetable oils is a prominent technology for the production of biofuels. This work compares the product yields and quality of hydrocracking fresh and used cooking oil under nominal operating conditions. Cracking, heteroatom remo[...]
Article : texte imprimé
Vicente Jiménez, Auteur ;
Antonio Nieto-Márquez, Auteur ;
José Antonio Díaz, Auteur
|
In this paper, the optimization of typical reaction variables for a pilot scale synthesis of carbon nanofibers (CNFs) using a fixed-bed reactor has been carried out to provide a more economically viable large scale production of these materials.[...]
Article : texte imprimé
Hanjing Tian, Auteur ;
Thomas Simonyi, Auteur ;
James Poston, Auteur
|
The effect of hydrogen sulfide (H2S) on the chemical looping combustion of coal-derived synthesis gas with bentonite-supported metal oxides—such as iron oxide, nickel oxide, manganese oxide, and copper oxide—was investigated by thermogravimetric[...]
Article : texte imprimé
Robert T. Symonds, Auteur ;
Dennis Y. Lu, Auteur ;
Robin W. Hughes, Auteur
|
Experiments were performed using a dual fluidized bed reactor system, operated in a batch mode, in order to investigate the effects of steam and simulated syngas on CO2 capture and sorbent conversion efficiency for a naturally occurring Polish c[...]
Article : texte imprimé
Alex C. K. Yip, Auteur ;
Xijun Hu, Auteur
|
Following the recent report on the synthesis of a clay-based titanium silicalite-1 (TS-1) composite, this work provided important information on the catalytic activity of the catalyst developed for cyclohexanone ammoximation. Experimental works [...]
Article : texte imprimé
K. Chen, Auteur ;
K. S. Martirosyan, Auteur ;
D. Luss, Auteur
|
Infrared imaging was used to study the impact of a sudden decrease in the exhaust temperature on the spatiotemporal temperature of a single layer planar diesel particulate filter (DPF). The experiments revealed that a sudden decrease in the feed[...]
Article : texte imprimé
Heartwin A. Pushpadass, Auteur ;
Milford A. Hanna, Auteur
|
Aging of normal corn starch films processed by extrusion and stored at 20−22 °C and 50−56% RH was investigated over a period of 120 d. The changes in the structural, thermal, tensile, and water vapor permeability (WVP) properties of the films du[...]
Article : texte imprimé
Virginia Carrera, Auteur ;
Pedro Partal, Auteur ;
Moises Garcia-Morales, Auteur
|
This work deals with the influence that bitumen colloidal nature exerts on the rheological properties of bitumen samples modified by isocyanate-based reactive polymers. Shear rheology tests, modulated differential scanning calorimetry (MDSC), ch[...]
Article : texte imprimé
Yichang Pan, Auteur ;
Jianfeng Yao, Auteur ;
Lixiong Zhang, Auteur
|
A method for synthesizing ultrafine zeolite A crystals with narrow particle size distribution (PSD) using a water−liquid paraffin two-phase segmented microfluidic device assembled by coaxial dual tubes is reported. The influence of the sizes of [...]
Article : texte imprimé
Yichang Pan, Auteur ;
Jianfeng Yao, Auteur ;
Lixiong Zhang, Auteur
|
A method for synthesizing ultrafine zeolite A crystals with narrow particle size distribution (PSD) using a water−liquid paraffin two-phase segmented microfluidic device assembled by coaxial dual tubes is reported. The influence of the sizes of [...]
Article : texte imprimé
Benjaram M. Reddy, Auteur ;
Komateedi N. Rao, Auteur ;
Pankaj Bharali, Auteur
|
Catalytic activity of CoO, NiO, CuO−CoO, and CuO−NiO nanocrystalline mono- and bimetallic catalysts over a thermally stable and high surface area ceria−alumina mixed oxide support was evaluated for oxidation of carbon monoxide at normal atmosphe[...]
Article : texte imprimé
Yung-Pin Huang, Auteur ;
Jing-Wen Tang, Auteur ;
Fen-Mei Chang, Auteur
|
Polyethylene (PE) nanoparticles were newly prepared by a combination of ultrasonication and low-temperature-induced crystallization in poly(ethylene glycol). These PE particles were formulated into spin finishes and applied to the surface of tit[...]
Article : texte imprimé
Zhi-Bing Zhang, Auteur ;
Zhi-Gang Shen, Auteur ;
Jie-Xin Wang, Auteur
|
The purpose of this study was to prepare megestrol acetate (MA) nanoparticles via a liquid precipitation technique. Several experimental parameters, such as the stabilizer combination, the volume ratio of antisolvent to drug solution, the temper[...]
Article : texte imprimé
Leen V. van der Ham, Auteur ;
Joachim Gross, Auteur ;
Ad Verkooijen, Auteur
|
Two methods for increasing the exergy efficiency of thermochemical processes for the production of hydrogen from water and high temperature thermal energy are presented and compared. Increasing the exergy efficiency is equivalent to reducing the[...]
Article : texte imprimé
Wang Jingdai, Auteur ;
Ren Congjing, Auteur ;
Yongrong Yang, Auteur
|
Flow pattern of the fluidized bed is a key factor for heat transfer and the design of a new reactor. It is important to comprehend the fluidization conditions because the complex correlation between particle−particle and particle−environment in [...]
Article : texte imprimé
Wang Jingdai, Auteur ;
Ren Congjing, Auteur ;
Yongrong Yang, Auteur
|
Flow pattern of the fluidized bed is a key factor for heat transfer and the design of a new reactor. It is important to comprehend the fluidization conditions because the complex correlation between particle−particle and particle−environment in [...]
Article : texte imprimé
Sylvain Mouret, Auteur ;
Ignacio E. Grossmann, Auteur ;
Pierre Pestiaux, Auteur
|
The optimal scheduling of crude-oil operations in refineries has been studied by various groups during the past decade leading to different mixed integer linear programming (MILP) or mixed integer nonlinear programming (MINLP) formulations. This[...]
Article : texte imprimé
Pedro Rafael Bolognese Fernandes, Auteur ;
Jorge Otávio Trierweiler, Auteur
|
This paper presents the local thermodynamic models networks (LTMN), a new technique aimed at reducing the time spent in simulating processes that are based on phase equilibrium. The LTMN shown in this work approximate K-values as generated by a [...]
Article : texte imprimé
Nádson M. Nascimento Lima, Auteur ;
Flavio Manenti, Auteur ;
Rubens Maciel Filho, Auteur
|
This paper presents a fuzzy model-based predictive hybrid controller (FMPHC) for polymerization processes based on Takagi−Sugeno models and moving horizon methodology. Such processes are characterized by strongly nonlinear behaviors, which may e[...]
Article : texte imprimé
Iskandar Halim, Auteur ;
Rajagopalan Srinivasan, Auteur
|
Optimal scheduling of tasks to be performed in different unit operations is of paramount importance in the batch processes. The pressure toward sustainable operation has warranted more attentions to be paid to the issues of heat integration to r[...]
Article : texte imprimé
Beverly V. Smith, Auteur ;
Marianthi Ierapepritou, Auteur
|
The need for rapid product design, resulting from time to market pressure, is accompanied by an increasing demand for product differentiation. In order to meet these demands, firms are seeking more efficient ways to integrate consumer’s input in[...]
Article : texte imprimé
E. Aamir, Auteur ;
Z. K. Nagy, Auteur ;
C. D. Rielly, Auteur
|
The paper presents a novel methodology for the estimation of the shape of the crystal size distribution (CSD) during a crystallization process. The approach, based on a combination of the quadrature method of moments (QMOM) and the method of cha[...]
Article : texte imprimé
Jie Yu, Auteur ;
S. Joe Qin, Auteur
|
A novel batch process monitoring approach is proposed in this article to handle batch processes with multiple operation phases. The basic idea is to combine the Gaussian mixture model (GMM) with hybrid unfolding of a multiway data matrix to part[...]
Article : texte imprimé
Jie Yu, Auteur ;
S. Joe Qin, Auteur
|
A novel batch process monitoring approach is proposed in this article to handle batch processes with multiple operation phases. The basic idea is to combine the Gaussian mixture model (GMM) with hybrid unfolding of a multiway data matrix to part[...]
Article : texte imprimé
Cheng-Liang Chen, Auteur ;
Hong-Wen Tsai, Auteur
|
This article aims at developing a better insulin injection scheduling strategy for diabetes. For this purpose, the subcutaneous (sc) absorption behaviors of available insulin and the overall glucose−insulin dynamics for diabetes are investigated[...]
Article : texte imprimé
Seraj A. Ansari, Auteur ;
Prasanta K. Mohapatra, Auteur ;
Vijay K. Manchanda, Auteur
|
Transport behavior of trivalent actinides/lanthanides from nitric acid solutions into distilled water was investigated using polypropylene hollow-fiber supported liquid membrane (HFSLM) technique. A mixture of 0.1 M TODGA (N,N,N′,N′-tetraoctyl d[...]
Article : texte imprimé
G. M. N. Costa, Auteur ;
Y. Guerrieri, Auteur ;
S. Kislansky, Auteur
|
The Soave−Redlich−Kwong (SRK) and the Sanchez and Lacombe (SL) equations of state are applied to the flash simulation of polyethylene industrial separators, specifically low-density polyethylene (eight resins) and linear low-density polyethylene[...]
Article : texte imprimé
Haining Niu, Auteur ;
Liwei Pan, Auteur ;
Hongjiu Su, Auteur
|
This study provides experimental data on the performance of microchannel contactors for CO2 absorption. An aqueous solution of piperazine (PZ) activated N-methyldiethanolamine (MDEA) and a mixture of CO2/N2 were selected as the working fluids. T[...]
Article : texte imprimé
Javad Ivakpour, Auteur ;
Norollah Kasiri, Auteur
|
In this paper an algorithm to generate all possible distillation column sequences for a nonsharp separation of c components to m multicomponent as well as pure desired products, based on the product specifications, is presented. Each desired pro[...]
Article : texte imprimé
Sang Wook Kang, Auteur ;
Wanki Bae, Auteur ;
Jong Hak Kim, Auteur
|
TiO2 and Al2O3 nanoparticles having different chemical properties were introduced into a poly(2-ethyl-2-oxazoline) (POZ) membrane to make inactive AgNO3 chemically more active in olefin complexation, resulting in facilitated olefin transport. Th[...]
Article : texte imprimé
Zhang, Weidong, Auteur ;
Geng Chen, Auteur ;
Jiang Li, Auteur
|
A method of improving the absorption performance in hollow fiber contactor by adding a third solid phase into the shell side absorbent is proposed. Powdered kieselgur, graphite, and BaSO4 are chosen as the additives to intensify the absorption p[...]
Article : texte imprimé
Zhang, Weidong, Auteur ;
Geng Chen, Auteur ;
Jiang Li, Auteur
|
A method of improving the absorption performance in hollow fiber contactor by adding a third solid phase into the shell side absorbent is proposed. Powdered kieselgur, graphite, and BaSO4 are chosen as the additives to intensify the absorption p[...]
Article : texte imprimé
Hyungu Im, Auteur ;
Hyomi Kim, Auteur ;
Chang Keun Kim, Auteur
|
To enhance poor gas selectivity of polyimides based on hexafluoroisopropylidene diphthalic anhydride (6FDA), such as 6FDA−4,4′-hexafluoroisopropylidene diamine (6FDA−6FpDA) and 6FDA−6FpDA:diaminobenzoic acid (6FDA−6FpDA:DABA), membranes were fab[...]
Article : texte imprimé
Mohammad Abutayeh, Auteur ;
Scott W. Campbell, Auteur
|
A thermodynamic model was developed to predict the distribution of phosphates between the liquid and the solid phases in a reactor used for extracting phosphoric acid from phosphate rock by the dihydrate process. Experimental data found in the l[...]
Article : texte imprimé
Reddy Cherlo, Siva Kumar, Auteur ;
Sreenath, K., Auteur ;
S. Pushpavanam, Auteur
|
Microreactors can be used to carry out hazardous organic reactions like nitration of benzene and toluene safely. A theoretical analysis of the performance of these systems is usually based on using a computational fluid dynamics approach incorpo[...]
Article : texte imprimé
Elena M. Cachaza, Auteur ;
M. Elena Díaz, Auteur ;
Francisco J. Montes, Auteur
|
In this work, simultaneous hydrodynamics and mass-transfer computational fluid dynamics (CFD) studies in a rectangular partially aerated bubble column were conducted. The proposed transient Eulerian−Eulerian model was applied to a two-phase flow[...]
Article : texte imprimé
Valorization of waste agricultural polyethylene film by sequential pyrolysis and catalytic reforming
Guillermo San Miguel, Auteur ;
David P. Serrano, Auteur ;
José Aguado, Auteur
|
This paper deals with the potential of using sequential pyrolysis and catalytic reforming for the conversion of agriculture film waste into useful hydrocarbon products. The experiments were conducted in a two-step reaction system consisting of a[...]
Article : texte imprimé
Laura M. Sprunger, Auteur ;
Sai S. Achi, Auteur ;
William E. Acree Jr., Auteur
|
Mathematical correlations have been developed for describing the enthalpy of solvation of organic solutes into room-temperature ionic liquids (RTILs) based on the Abraham general solvation model with ion-specific equation coefficients. The deriv[...]
Article : texte imprimé
Laura M. Sprunger, Auteur ;
Sai S. Achi, Auteur ;
William E. Acree Jr., Auteur
|
Mathematical correlations have been developed for describing the enthalpy of solvation of organic solutes into room-temperature ionic liquids (RTILs) based on the Abraham general solvation model with ion-specific equation coefficients. The deriv[...]
Article : texte imprimé
Dana Constantinescu, Auteur ;
Jürgen Rarey, Auteur ;
Jürgen Gmehling, Auteur
|
This article presents a comparative study about the predictive capability of COSMO-SAC and COSMO-RS(Ol) models with respect to excess enthalpies of various binary systems. Results of the group contribution methods UNIFAC and modified UNIFAC (Do)[...]
Article : texte imprimé
Arup K. Das, Auteur ;
Prasanta K. Das, Auteur
|
Formation of gas bubbles through an orifice under a liquid pool is important as a topic of fundamental research and is relevant in diverse industrial applications. This complex process is influenced by a large number of process parameters includ[...]
Article : texte imprimé
Online measurement of fiber diameter and temperature in the melt-spinning and melt-blowing processes
Vishnu T. Marla, Auteur ;
Robert L. Shambaugh, Auteur ;
Dimitrios V. Papavassiliou, Auteur
|
Online measurements of fiber temperature and diameter were made for both the melt-spinning and the melt-blowing processes. The fiber temperature was determined by infrared thermography, and the fiber diameter was determined by high-speed photogr[...]
Article : texte imprimé
Online measurement of fiber diameter and temperature in the melt-spinning and melt-blowing processes
Vishnu T. Marla, Auteur ;
Robert L. Shambaugh, Auteur ;
Dimitrios V. Papavassiliou, Auteur
|
Online measurements of fiber temperature and diameter were made for both the melt-spinning and the melt-blowing processes. The fiber temperature was determined by infrared thermography, and the fiber diameter was determined by high-speed photogr[...]
Article : texte imprimé
Online measurement of fiber diameter and temperature in the melt-spinning and melt-blowing processes
Vishnu T. Marla, Auteur ;
Robert L. Shambaugh, Auteur ;
Dimitrios V. Papavassiliou, Auteur
|
Online measurements of fiber temperature and diameter were made for both the melt-spinning and the melt-blowing processes. The fiber temperature was determined by infrared thermography, and the fiber diameter was determined by high-speed photogr[...]
Article : texte imprimé
Qingsheng Wang, Auteur ;
Dedy Ng, Auteur ;
M. Sam Mannan, Auteur
|
Despite many theoretical and experimental advances in understanding the macroscopic properties of energetic materials, much work remains to be done to understand their microscale mechanism. In this work, the reaction mechanism and kinetics of th[...]
Article : texte imprimé
Qingsheng Wang, Auteur ;
Dedy Ng, Auteur ;
M. Sam Mannan, Auteur
|
Despite many theoretical and experimental advances in understanding the macroscopic properties of energetic materials, much work remains to be done to understand their microscale mechanism. In this work, the reaction mechanism and kinetics of th[...]
Article : texte imprimé
Xiangyang Li, Auteur ;
Gengzhi Yu, Auteur ;
Chao Yang, Auteur
|
In a stirred vessel with the aspect ratio of 2.4, the gas−liquid mass transfer characteristics of triple-impeller configurations with surface aeration have been studied. The way by adding one or more impellers below the aerating impeller could n[...]
Article : texte imprimé
Andrew L. LaFrate, Auteur ;
Jason E. Bara, Auteur ;
Douglas L. Gin, Auteur
|
The synthesis and characterization of a new class of 1-(2,3-dihydroxypropyl)-3-alkylimidazolium bis(trifluoromethanesulfonimide) room-temperature ionic liquids (RTILs) with tunable water miscibility are reported. The presence of a vicinal diol s[...]
Article : texte imprimé
Juan A. Lazzús, Auteur
|
The melting points of organic compounds were estimated using a hybrid method that includes a simple group contribution method (GCM) implemented in an artificial neural network (ANN) replacing standart backpropagation with particle swarm optimiza[...]
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