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Vol. 48 N° 17 Septembre 2009 |
Vol. 48 N° 11 Juin 2009 |
Vol. 48 N° 16 Août 2009 |
Vol. 48 N° 15 Août 2009 |
Vol. 48 N° 19 Octobre 2009 |
Vol. 48 N° 18 Septembre 2009 |
Vol. 48 N° 20 Octobre 2009 |
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| Titre : | Industrial & engineering chemistry research, Vol. 48 N° 19 - Octobre 2009 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 01/12/2009 |
| Année de publication : | 2009 |
| Format : | p. 8767-9060 / ill. / 28 cm |
| Note générale : | Chemical engineering |
| Langues : | Français |
| En ligne : | http://pubs.acs.org/toc/iecred/48/19 |
Dépouillements
Article : texte imprimé
T. V. Ramachandra, Auteur ;
Durga Madhab Mahapatra, Auteur ;
Karthick, B, Auteur
|
In the face of increasing CO2 emissions from conventional energy (gasoline), and the anticipated scarcity of crude oil, a worldwide effort is underway for cost-effective renewable alternative energy sources. Here, we review a simple line of reas[...]
Article : texte imprimé
R. Pardeshi, Auteur ;
P. Dutta, Auteur ;
A. K. Singh, Auteur
|
Solidification processes are complex in nature, involving multiple phases and several length scales. The properties of solidified products are dictated by the microstructure, the macrostructure, and various defects present in the casting. These,[...]
Article : texte imprimé
Girish Muralidharan, Auteur ;
Venkataramana Runkana, Auteur
|
Polymer gels are cross-linked polymer particles that are finding applications in coatings, controlled drug delivery, consumer products, etc. A simple model for predicting the viscosity of spherical polymeric gels and dispersions which can help i[...]
Article : texte imprimé
Rabibrata Mukherjee, Auteur ;
Ganesh K. Patil, Auteur ;
Ashutosh Sharma, Auteur
|
We report a simple yet robust and reproducible technique to create surface patterns with submicrometer scale resolution on polymer films coated on nonplanar and curved surfaces at room temperature, without applying any external pressure. The imp[...]
Article : texte imprimé
Pi-Ping Lv, Auteur ;
Wei Wei, Auteur ;
Fang-Ling Gong, Auteur
|
Chitosan nanospheres have great potential in drug controlled release systems, because they show excellent degradability, biocompatibility, and nontoxicity. The particle size control and size distribution of nanospheres are necessary in order to [...]
Article : texte imprimé
In this work, a new approach for controlling the formation rate of hard tissue mineral hydroxypapatite (HAP) through the control of inner pore sizes of CaO−SiO2 bioactive material is proposed. Highly ordered mesoporous CaO−SiO2 (MCS) bioactive m[...]
Article : texte imprimé
Suparna Sinha, Auteur ;
Sujata Tarafdar, Auteur
|
We present a study of viscous fingering patterns which arise because of the instability at the interface of two fluids of dissimilar viscosities. Viscous fingering experiments were performed in a lifting Hele-Shaw cell with a Newtonian defending[...]
Article : texte imprimé
Deeleep K. Rout, Auteur ;
Siddharth Chauhan, Auteur ;
Ashwani Agarwal, Auteur
|
We report cloud point phenomenon in binary water−anionic surfactant (sodium linear alkylbenzene sulfonate, NaLAS) after incorporation of organic salts, such as tetrabutyl- and benzyltributyl- ammonium halides. The effect of alkyl/aromatic hydrop[...]
Article : texte imprimé
Isao Kobayashi, Auteur ;
Marcos A. Neves, Auteur ;
Tomoyuki Yokota, Auteur
|
The aim of this study was to investigate the generation characteristics of geometrically confined droplets using microchannel (MC) arrays made of single crystal silicon. Twelve MC array devices, each consisting of four MC arrays, were used in th[...]
Article : texte imprimé
Effect of surfactants on iridescence developed by swollen lamellar phase of C12-alkenylsuccinic acid
Sudipta G. Dastidar, Auteur ;
Bharath P., Auteur ;
Antara Pal, Auteur
|
The iridescence phenomenon of C12-alkenylsuccinic acid (ASA) is a result of the coherent reflection of light from periodically ordered alternating lamellar surfactant stacks and solvent molecules. Here we report the effect of cationic, anionic, [...]
Article : texte imprimé
The thermal unfolding process of bovine liver rhodanese, composing two globular domains (N-domain and C-domain) with similar tertiary structures, has been studied by explicit solvent molecular dynamics (MD) simulations at high temperatures of 45[...]
Article : texte imprimé
Qingchun Yuan, Auteur ;
Nita Aryanti, Auteur ;
Gemma Gutiérrez, Auteur
|
Formulation technologies increasingly demand the manufacture of droplets with user-controlled size and size distributions for applications in emulsions, capsules, and semisolid particulates. These are used in various functional consumer products[...]
Article : texte imprimé
Georgios Tetradis-Meris, Auteur ;
Damiano Rossetti, Auteur ;
Concepción Pulido de Torres, Auteur
|
This work describes a design strategy to scale up microfluidics for producing monodispersed emulsions. Scale-up to 180 microfluidic devices with tight distribution of droplet size has been achieved (coefficient of variation CV ∼ 5%) by designing[...]
Article : texte imprimé
Rowan J. Braham, Auteur ;
Andrew T. Harris, Auteur
|
Photocatalytic processes are applicable in wastewater treatment, energy production, chemical synthesis, and greenhouse gas mitigation and thus have the potential to address both the consumption of nonrenewable fossil fuels and global warming, tw[...]
Article : texte imprimé
Vasilije Manovic, Auteur ;
Edward J. Anthony, Auteur
|
A series of carbonation/calcination tests consisting of 1000 cycles was performed with CaO-based pellets prepared using hydrated lime and calcium aluminate cement. The change in CO2 carrying capacity of the sorbent was investigated in a thermogr[...]
Article : texte imprimé
Nattawan Kladkaew, Auteur ;
Raphael Idem, Auteur ;
Paitoon Tontiwachwuthikul, Auteur
|
The effects of operating parameters on the corrosion of carbon steel in the monoethanolamine (MEA)−H2O−CO2−O2−SO2 system were investigated using two different corrosion measurement techniques. The corrosion studies were conducted using a 273A po[...]
Article : texte imprimé
Zheng Shen, Auteur ;
Fangming Jin, Auteur ;
Yalei Zhang, Auteur
|
Hydrothermal treatment of glycerin was carried out at 300 °C by using eight alkaline catalysts, including hydroxides of alkali metals, alkaline-earth metals, and aluminum. All alkaline catalysts promoted the formation of lactic acid or lactate s[...]
Article : texte imprimé
Tao Li, Auteur ;
Mao-sheng Xu, Auteur ;
Bing-chen Zhu, Auteur
|
A one-dimensional isothermal multicomponent reaction−diffusion model was established for irregularly shaped ammonia synthesis catalyst A301. The intrinsic kinetics equation was derived from the experimental data obtained under high pressure rang[...]
Article : texte imprimé
Weerawut Chaiwat, Auteur ;
Isao Hasegawa, Auteur ;
Kazuhiro Mae, Auteur
|
Treatment of biomass in nitrogen and air at 240−340 °C was conducted in order to examine the low-temperature region in a downdraft gasifier by analyzing the treated precursors and product distribution. Gas-treated precursors were then pyrolyzed [...]
Article : texte imprimé
Evagelos K. Athanassiou, Auteur ;
Hanspeter Gradischnig, Auteur ;
Peter Siemsen, Auteur
|
The industrial application of paints today involves the handling of millions of tons of pigment dispersions. Shear and mechanical stress during pumping, storage, or processing significantly affect color and shelf life. Currently, mainly empirica[...]
Article : texte imprimé
Kyeongseok Oh, Auteur ;
Mark Jemmett, Auteur ;
Milind Deo, Auteur
|
Wax components in a crude oil start to precipitate when the surrounding temperature is lower than the wax appearance temperature. When wax gel develops under static conditions, a certain amount of pressure is needed to overcome the yield strengt[...]
Article : texte imprimé
Manu V., Auteur ;
Haresh M. Mody, Auteur ;
Hari C. Bajaj, Auteur
|
Silica gel (G) and amino functionalized silica gel with three different loading of an aminopropyl group viz. 0.51, 1.01, and 1.45 mmol/g, (GN1, GN2, and GN3) were synthesized, characterized, and used as adsorbents for the adsorption of Cu2+ ions[...]
Article : texte imprimé
Sung In Moon, Auteur ;
C. W. Extrand, Auteur
|
The permeation rate of water vapor through polycarbonate (PC) was examined. Permeability (P), diffusion (D), and solubility (S) coefficients were measured at temperatures ranging from 25 to 80 °C. P values remained almost constant over this temp[...]
Article : texte imprimé
Muddu Madakyaru, Auteur ;
Anuj Narang, Auteur ;
Sachin C. Patwardhan, Auteur
|
Among various industrial vendors of model predictive control (MPC) schemes, ARX appears to be a popular choice of model structure while models for predictive control schemes are being developed. These models are, however, nonparsimonious in the [...]
Article : texte imprimé
Wenhao Shen, Auteur ;
Xiaoquan Chen, Auteur
|
Aiming at the difficulties and problems of online measurement of pulp kappa number during batch pulping, this paper proposes a new measuring idea, which is to predict the lignin content in pulp through the measurement of dissolved lignin in cook[...]
Article : texte imprimé
Miguel Bagajewicz, Auteur ;
Thang Cao, Auteur ;
Robbie Crosier, Auteur
|
This paper presents a methodology for the preliminary evaluation of thermochemical and hybrid water-splitting cycles based on efficiency. Because the method does not incorporate sufficient flowsheet details, the efficiencies are upper bounds of [...]
Article : texte imprimé
Wei Wu, Auteur ;
Che-Chuan Pai, Auteur
|
The aim of this work is to study the control of the proton exchange membrane (PEM) fuel cell stack system with alternative methanol fuel. An external circulating water flow design not only plays the role of heat exchanger, but also it is the one[...]
Article : texte imprimé
Qunsheng Li, Auteur ;
Jiguo Zhang, Auteur ;
Zhigang Lei, Auteur
|
This work tries to explore the relation between molecular structures of ionic liquids (ILs) as entrainers and separation performance on ethyl acetate (1) and ethanol (2). The vapor−liquid equilibrium (VLE) data have been measured for ethyl aceta[...]
Article : texte imprimé
Dongxiao Yang, Auteur ;
Zhi Wang, Auteur ;
Jixiao Wang, Auteur
|
In this work, the cross-flow model is compared with the cocurrent flow model and the countercurrent flow model for the process of removing CO2 from natural gas. According to the comparison result, the cross-flow model is used for the analysis of[...]
Article : texte imprimé
Ping Guo, Auteur ;
Zhouhua Wang, Auteur ;
Pingping Shen, Auteur
|
The molecular diffusion of an oil−gas system is a key factor to determine the mass transfer rate. The actual mass transfer between oil and gas is an unsteady-state process. In this paper, the diffusion coefficients of the N2-rich gas−crude oil, [...]
Article : texte imprimé
Enrico Biagini, Auteur ;
Alessio Bardi, Auteur ;
Gabriele Pannocchia, Auteur
|
Coal gasification is a versatile process to convert a solid fuel in syngas, which can be further converted and separated in hydrogen, which is a valuable and environmentally acceptable energy carrier. Different technologies (fixed beds, fluidize[...]
Article : texte imprimé
Huaming Li, Auteur ;
Xue Jiang, Auteur ;
Wenshuai Zhu, Auteur
|
Three decatungstates with short carbon chains as the cations, such as tetrabutylammonium decatungstate ([(C4H9)4N]4W10O32), tetramethylammonium decatungstate ([(CH3)4N]4W10O32), and benzyltriethylammonium decatungstate ([(C2H5)3NC7H7]4W10O32), w[...]
Article : texte imprimé
Vincenzo Barbarossa, Auteur ;
Giuseppina Vanga, Auteur ;
Maurizio Diamanti, Auteur
|
The Bunsen reaction identifies the chemical formation of sulfuric acid and hydriodic acid when sulfur dioxide is oxidized by molecular iodine in aqueous solutions. This reaction occurs spontaneously in a temperature range of 293−373 K and is one[...]
Article : texte imprimé
Phase equilibria of clathrate hydrates of cyclopentane + hydrogen sulfide and cyclopentane + methane
Amir H. Mohammadi, Auteur ;
Dominique Richon, Auteur
|
In this work, experimental hydrate dissociation data for the hydrogen sulfide + cyclopentane + water and methane + cyclopentane + water systems are reported in the temperature ranges of 295.4−310.0 K and 284.8−299.3 K, respectively. The experime[...]
Article : texte imprimé
Sang-Sup Lee, Auteur ;
Joo-Youp Lee, Auteur ;
Soon-Jai Khang, Auteur
|
Cupric chloride-impregnated activated carbon sorbents (CuCl2-ACs) showed good performance in Hg0 oxidation and adsorption in previously published entrained-flow test results. In addition, our previous studies indicated that Hg0 is oxidized by Cu[...]
Article : texte imprimé
Sang-Sup Lee, Auteur ;
Joo-Youp Lee, Auteur ;
Soon-Jai Khang, Auteur
|
Cupric chloride-impregnated activated carbon sorbents (CuCl2-ACs) showed good performance in Hg0 oxidation and adsorption in previously published entrained-flow test results. In addition, our previous studies indicated that Hg0 is oxidized by Cu[...]
Article : texte imprimé
Farhad Gharagheizi, Auteur ;
Sattari, Mehdi, Auteur
|
One of the industrially important thermodynamic properties of polymer solutions is the upper critical solution temperature at the limit of infinite chain length of polymers, which is used to realize the usage limits of polymer solutions; this pr[...]
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