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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 |
Vol. 49 N° 2 Janvier 2010 |
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| Titre : | Industrial & engineering chemistry research, Vol. 48 N° 20 - Octobre 2009 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 11/02/2010 |
| Année de publication : | 2010 |
| Format : | p. 9061-9354 / ill. / 28 cm |
| Note générale : | Chemical engineering |
| Langues : | Français |
| En ligne : | http://pubs.acs.org/toc/iecred/48/20 |
Dépouillements
Article : texte imprimé
Helene Lepaumier, Auteur ;
Dominique Picq, Auteur ;
Pierre-Louis Carrette, Auteur
|
Degradation of 12 different amines with CO2 was evaluated in 100 mL stainless steel batch reactors for 15 days at 140 °C using a 4 mol·kg−1 amine solution and a CO2 pressure of 2 MPa. At the end of the run, most of degradation products were iden[...]
Article : texte imprimé
Helene Lepaumier, Auteur ;
Dominique Picq, Auteur ;
Pierre-Louis Carrette, Auteur
|
This study examines oxidative degradation of 12 ethanolamines and ethylenediamines. They were chosen to establish structure−property relationships: the role of replacement of the alcohol function by one second amine function, amine nature, steri[...]
Article : texte imprimé
Verónica R. Elías, Auteur ;
Mónica E. Crivello, Auteur ;
Eduardo R. Herrero, Auteur
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Ti-containing mesoporous materials have been prepared by hydrothermal synthesis at 100 °C with two different Si/Ti ratios (20 and 60) in the synthesis mixture. A detailed study about the effect of synthesis time on the physicochemical properties[...]
Article : texte imprimé
Zhiqiang Zhang, Auteur ;
Yixin Qu, Auteur ;
Shui Wang, Auteur
|
Dehydration of methyl lactate (ML) to methyl acrylate (MA) and acrylic acid (AA) over silica supported sodium phosphates was investigated in a fixed-bed continuous flow reactor. On NaH2PO4/SiO2 a significantly higher selectivity to MA + AA than [...]
Article : texte imprimé
Gemma Grasa, Auteur ;
Juan Carlos Abanades, Auteur ;
Edward J. Anthony, Auteur
|
CaO particles from the calcination of natural limestones can be used as regenerable solid sorbents in some CO2 capture systems. Their decay curves in terms of CO2 capture capacity have been extensively studied in the literature, always in experi[...]
Article : texte imprimé
V. S. R. Rajasekhar Pullabhotla, Auteur ;
S. B. Jonnalagadda, Auteur
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The saturated hydrocarbons, alkanes, are known to exhibit extremely low reactivity, and reactions are feasible only at high temperature and pressure conditions. The scope of metal loaded microporous materials, ZSM-5, as catalysts in the ozone in[...]
Article : texte imprimé
Hao Chen, Auteur ;
Andrew Park, Auteur ;
John A. Heitmann, Auteur
|
When cellulosic fines are present in significant amounts, they can have a dominant influence on dewatering. Pulp suspensions drain rapidly if the fines have been removed. In this study, the dependency of gravity dewatering rates on the level and[...]
Article : texte imprimé
Jianbin Tang, Auteur ;
Youqing Shen, Auteur ;
Maciej Radosz, Auteur
|
The low-pressure isothermal sorption of CO2 in poly(ionic liquid)s (PILs) with varied structures including different cations, anions, backbones, and substituents was investigated to probe structure effects on the CO2 sorption. An ammonium cation[...]
Article : texte imprimé
Hao Wu, Auteur ;
Hao Wen, Auteur ;
Yushan Zhu, Auteur
|
With widespread use of mixed-integer modeling for continuous and discontinuous nonlinear chemical processes, a robust mixed-integer nonlinear optimization algorithm is strongly demanded for the design and operation of chemical processes that ach[...]
Article : texte imprimé
Pietro Altimari, Auteur ;
Lucia Russo, Auteur ;
Erasmo Mancusi, Auteur
|
A novel method for transition control of nonlinear processes is presented. Gain scheduling is implemented to ensure stability and desired output behavior over the operating region of interest while transition between the initial and the final st[...]
Article : texte imprimé
Luz A. Alvarez, Auteur ;
Erika M. Francischinelli, Auteur ;
Bruno F. Santoro, Auteur
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This paper concerns the development of a stable model predictive controller (MPC) to be integrated with real time optimization (RTO) in the control structure of a process system with stable and integrating outputs. The real time process optimize[...]
Article : texte imprimé
Jose A. Caballero, Auteur ;
Ignacio E. Grossmann, Auteur ;
Majid Keyvani, Auteur
|
Currently the separation of olefins (ethylene, propylene) from (ethane, propane) on a commercial scale is performed almost exclusively by cryogenic distillation in petrochemical industries. Since this technology is highly energy intensive, there[...]
Article : texte imprimé
Chunhui Zhao, Auteur ;
Furong Gao, Auteur ;
Fuli Wang, Auteur
|
In this article, the statistical modeling and online monitoring of nonlinear batch processes are addressed on the basis of the kernel technique. First, the article analyzes the conventional multiway kernel algorithms, which were just simple and [...]
Article : texte imprimé
Feng-Yi Lin, Auteur ;
Jyh-Cheng Jeng, Auteur ;
Hsiao-Ping Huang, Auteur
|
In this paper, a systematic procedure to design multivariable controllers that have options for selective decoupling of different structures (e.g., full or partial decoupler) is proposed. The controller structure is determined based on an analys[...]
Article : texte imprimé
Lixin Tang, Auteur ;
Ping Yan, Auteur
|
An improved particle swarm optimization (PSO) algorithm is proposed to solve a typical batching problem in a batch processing plant of the process industry. The batching problem (BP) is to transform the primary requirements for products into set[...]
Article : texte imprimé
Xiongtao Yang, Auteur ;
Qiang Xu, Auteur ;
Chuanyu Zhao, Auteur
|
Multistage compression systems (MSCS) are the most important and valuable facilities in chemical plants, whose failure may cause severe accidents and/or tremendous economic loss. Thus, operation for MSCS needs sufficient care under various situa[...]
Article : texte imprimé
Badarinath Karri, Auteur ;
Rajagopalan Srinivasan, Auteur ;
Iftekhar A. Karimi, Auteur
|
Operation schedules are frequently subject to disruptions or uncertainties that render them suboptimal or even infeasible to implement. Among the approaches that address stochastics in schedules, preventive methods incorporate uncertainty in the[...]
Article : texte imprimé
M. Pera-Titus, Auteur ;
A. Alshebani, Auteur ;
C H. Nicolas, Auteur
|
The transport field accounts for about 35% of CO2 emissions in France, while energy production only involves 16% of the emissions. The strong contribution of transport to the CO2 emission pattern in France is mainly ascribed to the great develop[...]
Article : texte imprimé
On the selection of limiting hydrodynamic conditions for the supercritical antisolvent (SAS) process
Alvaro Tenorio, Auteur ;
Philip Jaeger, Auteur ;
Maria D. Gordillo, Auteur
|
The Supercritical AntiSolvent (SAS) technique (which is also referred to as ASES, PCA, or SEDS in the literature) is a promising means of overcoming the low bioavailability found in some active pharmaceutical compounds (APIs). By determining the[...]
Article : texte imprimé
Ying Zhang, Auteur ;
Hern Chen, Auteur ;
Chau-Chyun Chen, Auteur
|
Rate-based process modeling technology has matured and is increasingly gaining acceptance over traditional equilibrium-stage modeling approaches. [Taylor et al. Chem. Eng. Prog. 2003, 99, 28−39] Recently comprehensive pilot plant data for carbon[...]
Article : texte imprimé
Marian Simo, Auteur ;
Siddharth Sivashanmugam, Auteur ;
Christopher J. Brown, Auteur
|
A pilot scale adsorber apparatus was designed and constructed to investigate water and ethanol adsorption/desorption kinetics on 3A zeolite for the design purposes of a fuel ethanol dehydration pressure swing adsorption (PSA) process. Equilibriu[...]
Article : texte imprimé
Zhi Qian, Auteur ;
Lianbin Xu, Auteur ;
Huibo Cao, Auteur
|
The work presents a theoretical investigation of the absorption of CO2 by aqueous solutions of N-methyldiethanolamine (MDEA) in a rotating packed bed (RPB). The diffusion-reaction process for CO2-MDEA mass transfer in RPB is modeled according to[...]
Article : texte imprimé
Anjushri S. Kurup, Auteur ;
Thang Ho, Auteur ;
Jamie A. Hestekin, Auteur
|
Electrodeionization (EDI) technology combines the operation principle of both ion exchange and electrodialysis in one single unit and overcomes the disadvantages of either unit. This technology has been widely used in the production of ultrapure[...]
Article : texte imprimé
Wei Yu, Auteur ;
Tiefeng Wang, Auteur ;
Feifei Song, Auteur
|
A novel multistage internal-loop airlift reactor was realized by using a novel interstage internal. In this reactor, a gas layer is formed below the internal and has important effects on the hydrodynamic behavior. The effects of the opening rati[...]
Article : texte imprimé
Howard Littman, Auteur ;
John D. Paccione, Auteur ;
Joel L. Plawsky, Auteur
|
A new type of draft tube spout-fluid bed (DTSFB) is described in which the draft tube physically separates the particle feeder section from the particle separator section as seen in Figure 2, creating an extremely versatile fluid/solids processi[...]
Article : texte imprimé
Manjula Nainar, Auteur ;
Amornvadee Veawab, Auteur
|
This work explores the promise of aqueous solutions of blended monoethanolamine (MEA) and piperazine (PZ) as a cost-effective solvent for carbon dioxide (CO2) capture from industrial flue gas streams with respect to corrosion, which is regarded [...]
Article : texte imprimé
Zhaowen Li, Auteur ;
Mingzhe Dong, Auteur
|
For both CO2 enhanced oil recovery and CO2 sequestration in oil reservoirs, the diffusion of injected CO2 into oil-saturated porous media is of great significance in project design, risk assessments, economic evaluation, and performance forecast[...]
Article : texte imprimé
Monisha Mridha Mandal, Auteur ;
K. D. P. Nigam, Auteur
|
In the present study, experiments were conducted for the first time in tube in tube helical heat exchanger at the pilot plant scale to investigate the fluid flow and heat transfer under turbulent flow conditions. The experiments were carried out[...]
Article : texte imprimé
S. M. Fakhr Hoseini, Auteur ;
M. S. Hatamipour, Auteur ;
T. Tavakkoli, Auteur
|
The use of 2,2,4-tri methyl pentane as a cosolvent for extraction of aromatic hydrocarbons from lube cut is studied. Optimized values of extraction temperature and amount of 2,2,4-tri methyl pentane are determined. The liquid−liquid equilibrium [...]
Article : texte imprimé
Rui-heng Liu, Auteur ;
Shi-yu Fu, Auteur ;
Huai-yu Zhan, Auteur
|
Nitro Blue Tetrazolium (NBT) is a widely used chemical for the determination of superoxide anion radical (O2−) and superoxide dismutase activity in many fundamental biological processes. Its reduction reaction with superoxide and the associated [...]
Article : texte imprimé
Keita Yasuda, Auteur ;
Satoshi Takeya, Auteur ;
Mami Sakashita, Auteur
|
This paper reports the identification of the crystallographic structure of the clathrate hydrate formed in a system of methane + propan-1-ol + water. A hydrate crystal sample was prepared with a 0.0556 mole fraction aqueous solution of propan-1-[...]
Article : texte imprimé
A. M. Das, Auteur ;
P. K. Chowdhury, Auteur ;
C. N. Saikia, Auteur
|
Vinyl monomer was used in aqueous medium with CeIV initiator for chemical modification of Antheraea assama silk fiber at different reaction conditions. The rate of grafting (%) was evaluated as a function of the concentration of monomer (AAm) an[...]
Article : texte imprimé
Zhanjiang Kang, Auteur ;
Hongzhu Ma, Auteur ;
Bo Wang, Auteur
|
Desulfurization of thiophene in coking benzene with n-butanol as an alkylating agent over SO42−/Fe2O3 solid superacid at 353 K and atmospheric pressure was investigated. The acidity of the catalyst was measured by temperature-programmed desorpti[...]
Article : texte imprimé
Cholada Komintarachat, Auteur ;
Sathaporn Chuepeng, Auteur
|
This paper presents a study of the methanol based transesterification of waste used cooking oil (WCO, 15% free fatty acid content) with the synthesized solid acid catalyst at different temperatures and reaction times. The optimized conditions fo[...]
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