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Vol. 48 N° 8 Avril 2009 |
Vol. 48 N° 7 Avril 2009 |
Vol. 48 N° 6 Mars 2009 |
Vol. 48 N° 11 Juin 2009 |
Vol. 48 N° 12 Juin 2009 |
Vol. 48 N° 13 Juillet 2009 |
Vol. 48 N° 14 Juillet 2009 |
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| Titre : | Industrial & engineering chemistry research, Vol. 48 N° 11 - Juin 2009 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 23/09/2009 |
| Année de publication : | 2009 |
| Format : | p. 5125-5566 / ill. / 28 cm. |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| En ligne : | http://pubs.acs.org/toc/iecred/48/11 |
Dépouillements
Article : texte imprimé
Dominic Chwan Yee Foo, Auteur
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Water network synthesis has been an active area of research for the past one and a half decades. Many think that the technology reached a mature stage in the late 1990s, especially for the insight-based technique based on pinch analysis. The onl[...]
Article : texte imprimé
Melissa R. Prado, Auteur ;
Yazmin Cazares, Auteur ;
Kenneth C. Janda, Auteur
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Propane hydrate has been studied to investigate its use as a possible storage medium for methane gas. For practical purposes, hydrate formation needs to be efficient at near ambient conditions. Ice particles exposed to varying mixtures of propan[...]
Article : texte imprimé
J. C. Schöneberger, Auteur ;
H. Arellano-Garcia, Auteur ;
Günter Wozny, Auteur
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In this work, a systematic approach based on nonlinear experimental design as an efficient tool for the validation of kinetic models is proposed which has the objective of computing experimental layouts, setups, and controls in order to optimize[...]
Article : texte imprimé
C.-t. F. Lo, Auteur ;
K. Karan, Auteur ;
B. R. Davis, Auteur
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The efficacy of metal chlorides and platinum-coated lithium cobalt oxide as catalysts for the methanolysis of sodium borohydride over 45 to −20 °C was investigated. Among the metal chlorides tested, cobalt chloride exhibited maximum activity. In[...]
Article : texte imprimé
Roman Sheinman, Auteur ;
Moshe Sheintuch, Auteur
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The loop reactor, in the form composed of several units, with feed and exit ports switching, is investigated for a reversible exothermic reaction like the synthesis of methanol. Unlike applications of VOC combustion, which have been extensively [...]
Article : texte imprimé
Hugo M. Vale, Auteur ;
Timothy F. L. McKenna, Auteur
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A mathematical model is developed to help quantify and improve our understanding of the formation of particles and the evolution of the particle size distribution (PSD) in the emulsion polymerization of vinyl chloride monomer (VCM). A special fe[...]
Article : texte imprimé
David Milne, Auteur ;
Tumisang Seodigeng, Auteur ;
David Glasser, Auteur
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Attainable region (AR) ideas have previously been used to identify candidate attainable regions (ARCs) for the oxidative dehydrogenation (ODH) of n-butane to butenes and butadiene and in so doing to identify the maximum possible yields of differ[...]
Article : texte imprimé
D. D. Eslek Koyuncu, Auteur ;
Sena Yasyerli, Auteur
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Cerium incorporated iron oxide catalysts and a pure iron oxide catalytic material were prepared by the complexation technique and their catalytic performances were investigated for selective oxidation of H2S to elemental sulfur in a fixed-bed fl[...]
Article : texte imprimé
Reinier J. J. Nel, Auteur ;
Arno de Klerk, Auteur
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Naphtha from low temperature Fischer−Tropsch (LTFT) synthesis is rich in n-paraffins, but it also contains alcohols and olefins. These alcohols and olefins can be converted into linear fuel ethers and olefin dimers to improve the overall yield a[...]
Article : texte imprimé
Miron V. Landau, Auteur ;
Moti Herskowitz, Auteur ;
Tali Hoffman, Auteur
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Three materials containing Ni2P, Ni12P5, and Ni3P phases on silica gel with surface area 320 m2/g at loadings of 32−37 wt % and the crystal size of NixP phases 30, 9, and 13 nm, respectively, were prepared by a combination of impregnation and TP[...]
Article : texte imprimé
Qiang Wang, Auteur ;
Yungui Chen, Auteur ;
Gao Niu, Auteur
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With the properties of the Li−Mg−N−H system improved by the doped Ti species, the activation energies of these systems were estimated by an Arrhenius plot, and this elucidated a slightly decreased value with doped TiF3. To explore the nature of [...]
Article : texte imprimé
V. Prasad, Auteur ;
A. M. Karim, Auteur ;
A. Arya, Auteur
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We introduce a framework for parameter estimation of microkinetic models via injecting data, collected in optimal regions of the “entire” experimental operating space, in models. We demonstrate this framework by combining differential conversion[...]
Article : texte imprimé
Alex C. K. Yip, Auteur ;
Frank L. Y. Lam, Auteur ;
Xijun Hu, Auteur
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A clay-based titanium silicalite-1 (TS-1) catalytic composite was synthesized using hydrothermal treatment to crystallize TS-1 (300−400 nm) on a bentonite support. The presence of bentonite is favorable to supported growth attributed to the adso[...]
Article : texte imprimé
Ming-Jun Wang, Auteur ;
Yu-Liang Xie, Auteur ;
Qiao-Dong Zheng, Auteur
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A novel polyelectrolyte complex (PEC) formed by sodium cellulose sulfate (NaCS) and chitosan was prepared as a potential material for a colon-specific drug delivery system. The characteristics of NaCS−chitosan film were measured by scanning elec[...]
Article : texte imprimé
Guillaume Gillet, Auteur ;
Olivier Vitrac, Auteur ;
Stéphane Desobry, Auteur
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The partition coefficients of n-alkanes, n-alcohols, volatiles, and typical antioxidants between a low density polyethylene and several alcohols (methanol and ethanol) were predicted without fitting variables using an off-lattice Flory−Huggins a[...]
Article : texte imprimé
Ranjit Thakur, Auteur ;
Auburn E. Hudgins, Auteur ;
Elisabete Goncalves, Auteur
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The purpose of this study was to use silicas for controlling the particle size of a poorly soluble drug in the micrometer to submicrometer range and enhancing the flowability of those particles in a supercritical fluid process. The concept used [...]
Article : texte imprimé
Ernesto Reverchon, Auteur ;
Paola Pisanti, Auteur ;
Stefano Cardea, Auteur
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Temporary bone scaffolds can surrogate the extracellular matrix to favor the regeneration of tissues and organs. It is very difficult to obtain the coexistence of the macro-, micro-, and nanostructural properties necessary to mimic the organizat[...]
Article : texte imprimé
Hongliang Zhu, Auteur ;
Kuihong Yao, Auteur
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This Article reveals that magnesium chloride hexammoniate (MgCl2·6NH3) can be prepared by the reaction between magnesium silicide (Mg2Si) and ammonium chloride (NH4Cl) in liquid ammonia, which was developed by Komatsu Electronic Metals Corp. to [...]
Article : texte imprimé
Barbara Czuczai, Auteur ;
Tivadar Farkas, Auteur ;
Endre Rev, Auteur
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A new mixed integer linear programming (MILP) model suitable for optimizing scheduling problems typical in chemical and related industries is developed. These problems have characteristics like storage time constraints, operational connectivity [...]
Article : texte imprimé
Sven Gruetzmann, Auteur ;
Georg Fieg, Auteur ;
Sigurd Skogestad, Auteur
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Multivessel batch distillation is a promising alternative to conventional batch distillation. Earlier studies proved the feasibility of temperature control in a closed operation mode, that is, when no product is removed until the end of the proc[...]
Article : texte imprimé
Sven Gruetzmann, Auteur ;
Georg Fieg, Auteur ;
Sigurd Skogestad, Auteur
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Multivessel batch distillation is a promising alternative to conventional batch distillation. Earlier studies proved the feasibility of temperature control in a closed operation mode, that is, when no product is removed until the end of the proc[...]
Article : texte imprimé
Geert Van der Vorst, Auteur ;
Jo Dewulf, Auteur ;
Wim Aelterman, Auteur
|
Up to now, process specific integral resource consumption is barely used as criterion for the selection and improvement of fine chemical and pharmaceutical production processes. Reasons are the complexity of the supply networks in multipurpose p[...]
Article : texte imprimé
Yanan Zhang, Auteur ;
Jun Xiao, Auteur ;
Laihong Shen, Auteur
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Simulation of methanol synthesis via H2-rich biomass-derived syngas from biomass gasification in interconnected fluidized beds is carried out, using Aspen Plus software to establish this model. In the case of CaCO3 catalysis, the effects of oper[...]
Article : texte imprimé
Jelan Kuhn, Auteur ;
Richard Lakerveld, Auteur ;
Herman J. M. Kramer, Auteur
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The concept of membrane-assisted crystallization using reverse osmosis (MaC-RO) shows a high potential in decreasing energy conversion as compared to evaporative crystallization. A setup has been constructed for MaC-RO, using two separate loops [...]
Article : texte imprimé
Youngsub Lim, Auteur ;
Hong-shik Lee, Auteur ;
Youn Woo Lee, Auteur
|
A supercritical process for biodiesel fuel production is generally known to be less profitable than the alkali-catalyzed process due to high temperature and pressure requirements for the supercritical reaction. Only a few approaches have been pr[...]
Article : texte imprimé
Bao, Lin, Auteur ;
Bodil Recke, Auteur ;
Torben M. Schmidt, Auteur
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Multirate systems are common in industrial processes where quality measurements have slower sampling rates than other process variables. Since intersample information is desirable for effective quality control, different approaches have been rep[...]
Article : texte imprimé
Dragan Nikolic, Auteur ;
Eustathios S. Kikkinides, Auteur ;
Michael C. Georgiadis, Auteur
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This work presents an optimization framework for complex pressure swing adsorption (PSA) processes including multibed configurations and multilayered adsorbents. The number of beds, PSA cycle configuration, and various operating and design param[...]
Article : texte imprimé
A. L. Villanueva Perales, Auteur ;
P. Ollero, Auteur ;
F. J. Gutiérrez Ortiz, Auteur
|
A model predictive control (MPC) strategy based on a dynamic matrix (DMC) is designed and applied to a wet limestone flue gas desulfurization (WLFGD) pilot plant to evaluate what enhancement in control performance can be achieved with respect to[...]
Article : texte imprimé
Moonsung Koh, Auteur ;
Bruno Fournel, Auteur ;
Stephane Sarrade, Auteur
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Nanofiltration using inorganic membranes was conducted to develop a continuous process in supercritical CO2. Inorganic membranes of various sizes (1, 5, 50, 300 kDa), materials (Al2O3/TiO2/ZrO2, Al2O3/ZrO2/TiO2), and modules (one and three chann[...]
Article : texte imprimé
Raza Hasan, Auteur ;
Colin A. Scholes, Auteur ;
Geoff W. Stevens, Auteur
|
The removal of carbon dioxide from natural gas by membrane gas separation is an important process in upgrading the gas for consumers. Hydrocarbons associated with natural gas have the potential to influence the CO2 separation performance of memb[...]
Article : texte imprimé
Zainuddin A. Manan, Auteur ;
Lim C. Siang, Auteur ;
Ana N. Mustapa, Auteur
|
This work describes the conceptual development of a new process for palm oil refining using supercritical fluid extraction (SFE) technology. The first step was to model the phase equilibrium behavior of a crude palm oil (CPO)−supercritical CO2 m[...]
Article : texte imprimé
Article : texte imprimé
Jaewoo Kim, Auteur ;
Dae-Shik Chang, Auteur ;
Yun-Young Choi, Auteur
|
Separation of oxygen isotopic water using a newly developed pressure-driven air gap membrane distillation (AGMD) process that is applicable to a multistage MD system was investigated. Pressure-driven (PD) AGMD is distinguished from a currently a[...]
Article : texte imprimé
Masoud Mofarahi, Auteur ;
Jafar Towfighi, Auteur ;
Leila Fathi, Auteur
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A study on a four-bed seven-step pressure swing adsorption (PSA) using zeolite 5A was performed experimentally and theoretically for separation of oxygen from air. In this process the steps of feed pressurization, production, blowdown, purge, pr[...]
Article : texte imprimé
Unai Iriarte-Velasco, Auteur ;
Jon I. Álvarez-Uriarte, Auteur ;
Noemí Chimeno-Alanís, Auteur
|
Two commercially available granular activated carbons (GACs) were thermally modified and evaluated for their adsorption properties in batch and column mode experiments. The widely used and well characterized aquatic humic substances were used as[...]
Article : texte imprimé
Hong Lu, Auteur ;
Panagiotis G. Smirniotis, Auteur
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There is an urgent need to understand sorbent tolerance for capturing carbon dioxide (CO2) in the presence of sulfur dioxide (SO2). Sulfur oxide is emitted together with CO2 from various combustion systems and can cause severe air pollution. In [...]
Article : texte imprimé
Maxwell J. Wingert, Auteur ;
Shunahshep Shukla, Auteur ;
Kurt W. Koelling, Auteur
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High-pressure shear viscosity measurements of polymer/supercritical fluid systems are numerous, but most involve pressure-gradient equipment such as a capillary or slit die with pressure drops exceeding 10%. Pressure change across the measuremen[...]
Article : texte imprimé
Martin P. Breil, Auteur ;
Georgios M. Kontogeorgis, Auteur
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A thorough investigation of triethylene glycol (TEG) containing systems has been performed. The introduction of a new six-site association scheme for the TEG molecule has shown to be advantageous. Glycols are often modeled using a four-site sche[...]
Article : texte imprimé
Harpreet S. Juneja, Auteur ;
Junpin Yao, Auteur ;
Farhang Shadman, Auteur
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A novel approach is developed and demonstrated to characterize the sampling line effects during dynamic monitoring of fluid concentrations. The “sampling line” in this study refers to all components between the point of fluid sampling and the po[...]
Article : texte imprimé
Michalik, Claas, Auteur ;
Benoît Chachuat, Auteur ;
Marquardt, Wolfgang, Auteur
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Estimating the parameters of a dynamical system based on measurements is an important task in industrial and scientific practice. Since a model’s quality is directly linked to its parameter values, obtaining globally rather than locally optimal [...]
Article : texte imprimé
Luísa A. Ferreira, Auteur ;
Martin P. Breil, Auteur ;
Simao P. Pinho, Auteur
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The perturbed-chain statistical associated fluid theory EoS was applied to model the solubilities of glycine, dl-alanine, l-serine, l-threonine, and l-isoleucine in pure water, pure alcohols (ethanol, 1-propanol, and 2-propanol) and in mixed sol[...]
Article : texte imprimé
Maria Analia Rodriguez, Auteur ;
Aldo Vecchietti, Auteur
|
Supply-chain optimization is a key issue in gainnig competitiveness in today’s economies where buyers and suppliers develop long-term relationships. Final agreements are formalized by signing contracts involving the purchasing of large amounts o[...]
Article : texte imprimé
Yuhua Song, Auteur ;
Chau-Chyun Chen, Auteur
|
The nonrandom two-liquid segment activity coefficient model (NRTL-SAC) [Chen, C.-C.; Song, Y. Solubility Modeling with a Nonrandom Two-Liquid Segment Activity Coefficient Model. Ind. Eng. Chem. Res. 2004, 43, 8354−8362] has been shown to be a si[...]
Article : texte imprimé
Mariana B. Oliveira, Auteur ;
Vera L. Oliveira, Auteur ;
João A.P. Coutinho, Auteur
|
Polycyclic aromatic hydrocarbons (PAHs) are a family of compounds characterized by having two or more condensed aromatic rings. They are important environmental contaminants associated with oil spills and the incomplete combustion of organic mat[...]
Article : texte imprimé
Walter W. Focke, Auteur
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A continuous family of excess Gibbs free energy expressions is derived based on the double-weighted power mean mixture model and concepts from cubic equations of state. This family has two types of parameters: The model form is determined by two[...]
Article : texte imprimé
Philipp Kolbitsch, Auteur ;
Johannes Bolhàr-Nordenkampf, Auteur ;
Tobias Pröll, Auteur
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Two different Ni-based oxygen carriers (OCs) are applied to chemical looping combustion (CLC) of natural gas on a scale of 140 kW fuel power. Both OCs are composed of NiO and a support material which is NiAl2O4 in the case of OC-A and a mixture [...]
Article : texte imprimé
Junhua Wang, Auteur ;
Honglin Wang, Auteur
|
A catalytic oxidation was developed for Acid Blue 9, with iron phthalocyanine sulfonamide (FePc(SO2NR2)4) as a catalyst and hydrogen peroxide as an oxidant. This reaction features mild conditions, an aqueous medium, and high yield. The reaction [...]
Article : texte imprimé
Jiahong Liu, Auteur ;
May Wu, Auteur ;
Michael Wang, Auteur
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This study focuses on the simulation of a complete process for producing butanol via acetone, butanol, and ethanol corn fermentation. The simulation, which begins with grain processing and proceeds through product purification, represents the fi[...]
Article : texte imprimé
Chenju Liang, Auteur ;
Hsin-Wey Su, Auteur
|
Thermal activation can induce persulfate (S2O82−) degradation to form sulfate radicals (SO4−•) that can undergo radical interconversion to form hydroxyl radicals (HO•) under alkaline conditions. The radicals SO4−•/HO• can be present either indiv[...]
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