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Vol. 50 N° 14 Juillet 2011 |
Vol. 50 N° 13 Juillet 2011 |
Vol. 50 N° 12 Juin 2011 |
Vol. 50 N° 9 Mai 2011 |
Vol. 50 N° 11 Juin 2011 |
Vol. 50 N° 10 Mai 2011 |
Vol. 50 N° 15 Août 2011 |
| Titre : | Industrial & engineering chemistry research, Vol. 50 N° 15 - Août 2011 |
| Type de document : | Bulletin : texte imprimé |
| Paru le : | 11/09/2011 |
| Année de publication : | 2011 |
| Format : | p. 8803-9478 / ill. / 28 cm |
| Note générale : | Chemical engineering |
| Langues : | Anglais |
| En ligne : | http://pubs.acs.org/toc/iecred/50/15 |
Dépouillements
Article : texte imprimé
Stuart W. Churchill, Auteur
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An informal survey of recent archival publications indicates that academic and industrial research in reaction engineering are interconnected, and they keep pace with those in the other engineering sciences, with one exception: the textbooks on [...]
Article : texte imprimé
Daniel P. Combest, Auteur ;
Palghat A. Ramachandran, Auteur ;
Milorad P. Dudukovic, Auteur
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A discussion of modeling passive scalar transport in turbulent flows is given. Several methods employed to dose the scalar-flux term 〈u'φ'〉 that arises during Reynolds averaging are provided. Alternatives and improvements to the gradient diffusi[...]
Article : texte imprimé
Ahmad Al-Kukhun, Auteur ;
Hyun Tae Hwang, Auteur ;
Arvind Varma, Auteur
|
Current promising methods to release hydrogen from ammonia borane (NH3BH3, AB; 19.6 wt % H2) including neat thermolysis, thermolysis in ionic liquid bmimCl with or without proton sponge, thermolysis with nano-BN and hydrothermolysis, were invest[...]
Article : texte imprimé
L. T. Fan, Auteur ;
Andres Argoti, Auteur
|
Activated carbons (ACs) have been widely deployed in the purification of gases and liquids or the separation of their mixtures. The formation of ACs entails the modification of the original internal surfaces of carbonaceous substrates, for examp[...]
Article : texte imprimé
Charles G. Slominski, Auteur ;
Warren D. Seider, Auteur ;
Stuart W. Churchill, Auteur
|
Introducing curvature in a tubular reactor generates a secondary fluid motion that decreases the variance of the residence-time-distribution of the fluid elements. The conversion is thereby increased with respect to that of a straight tube, and [...]
Article : texte imprimé
Sumit Mehrotra, Auteur ;
Ilsoon Lee, Auteur ;
Chun Liu, Auteur
|
Polyelectrolyte multilayer (PEM) transfer printing has been previously achieved by stamping under dry conditions. Here, we show for the first time that PEM can be transferred from a stamp to the base substrate under aqueous conditions whereby th[...]
Article : texte imprimé
Hassan S. Al-Sharqawi, Auteur
|
A more rigorous conjugate-transient two-dimensional numerical model of solid bed desiccant systems (plates and narrow channels) used for gas dehumidification of a gas laminarly flowing along the desiccant, which, importantly, includes the associ[...]
Article : texte imprimé
Chiranth Srinivasan, Auteur ;
Dimitrios V. Papavassiliou, Auteur
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The turbulent Prandtl number (Prt) is an important parameter in modeling turbulent transport, and a lot of effort has been placed in studying its behavior in wall turbulence. This work applied the Churchill model for turbulence scaling to determ[...]
Article : texte imprimé
Saeed Khaleghi Rahimian, Auteur ;
Farhang Jalali, Auteur ;
J. D. Seader, Auteur
|
A new homotopy developed for finding all real roots to a single nonlinear equation is extended to a system of nonlinear algebraic and transcendental equations written as f{x} = 0 to find all real roots, including those on isolas. To reach roots [...]
Article : texte imprimé
Michael Neuman, Auteur
|
Sustainability is high on many research and policy agendas, and a number of specific models to measure sustainability have been developed. However, most models are based only on the first law of thermodynamics and, thereby, are incomplete and ap[...]
Article : texte imprimé
Karuna S. Koppula, Auteur ;
Andre Benard, Auteur ;
Charles A. Petty, Auteur
|
For fully developed turbulent flows of a Newtonian fluid in a nonrotating channel with a large aspect ratio (i.e., spanwise length scale transverse length scale), the longitudinal component of the mean velocity and the mean pressure are symmetri[...]
Article : texte imprimé
Arya Chatterjee, Auteur ;
Peter C. Wayner, Auteur ;
Joel L. Plawsky, Auteur
|
The Constrained Vapor Bubble (CVB) is a wickless, grooved heat pipe and is the first, full-scale fluids experiment flown on the U.S. module of the International Space Station. The CVB promises to provide new insight into the operation of a heat [...]
Article : texte imprimé
Howard Brenner, Auteur
|
A gedankenexperiment is outlined that confirms the reality of diffuse volume transport in fluid continua. This example shows, inter alia, that the phenomenon is not limited to rarefied gases but is, in fact, a strictly continuum phenomenon, vali[...]
Article : texte imprimé
Daniel E. Rosner, Auteur ;
Manuel Arias-Zugasti, Auteur
|
Local supersaturations and the rapid homogeneous nucleation of often subcooled nanometric particles occur when vapors from a high-temperature source diffuse into adjacent regions of much lower temperature. While earlier experimental and theoreti[...]
Article : texte imprimé
Christelle Crampon, Auteur ;
Olivier Boutin, Auteur ;
Elisabeth Badens, Auteur
|
The purpose of this paper is to guide lectors in the extraction of algal (microalgae and seaweeds) compounds using supercritical carbon dioxide (SC-CO2) from dry biomass. It proposes a review of 30 articles dealing with the SC-CO2 extraction of [...]
Article : texte imprimé
Yu Hou, Auteur ;
Ruxandra Vidu, Auteur ;
Pieter Stroeve, Auteur
|
Solar energy can provide an abundant source of renewable energy (electrical and thermal). However, because of its unsteady nature, the storage of solar energy will become critical when a significant portion of the total energy will be provided b[...]
Article : texte imprimé
Montserrat Pepio, Auteur ;
M. Carmen Gutierrez-Bouzan, Auteur
|
Among several types of textiles colorants, reactive dyes represent about 30-50% of the total market share, and the most common group used as chromophore is the azo group (70%), followed by anthraquinone. The removal of such dyes from wastewater [...]
Article : texte imprimé
Guru Bishwa Bidita Varadwaj, Auteur ;
Swagatika Sahu, Auteur ;
Kulamani Parida, Auteur
|
An overview focused on the synthesis, structural features, and catalytic applications of lanthanum salen complex heterogenized in iron pillared montmorillonite is described here. In this approach the pillaring species was introduced in the inter[...]
Article : texte imprimé
Hao Wu, Auteur ;
Jindal K. Shah, Auteur ;
Craig M. Tenney, Auteur
|
Results of molecular dynamics simulations are reported in which the structure and dynamics of the reacted and unreacted forms of the task-specific ionic liquid (TSIL) tetrabutylphosphonium 2-cyanopyrrolide were computed. This particular ionic li[...]
Article : texte imprimé
Antonio Marcilla, Auteur ;
Angela Nuria Garcia, Auteur ;
Milagros Leon, Auteur
|
The main objective of this paper is to study the thermal decomposition of waste products from leathers tanned with different tanning agents, from two different points of view: (i) thermogavimetric analysis and (ii) flash pyrolysis using a Pyropr[...]
Article : texte imprimé
one-pot solvothermal approach has been developed for the synthesis of single-crystal anatase TiO2 nanospindles. The introduction of adscititious water in nonaqueous reaction mixture is critical for the spindle formation by allowing for a slow gr[...]
Article : texte imprimé
Ting Fan, Auteur ;
Dengke Pan, Auteur ;
Hui Zhang, Auteur
|
We present a facile surfactant-free solvothermal method for the fabrication of nearly monodispersed Fe3O4 submicroparticles with tunable particle sizes ranging from 130 to 420 nm by varying the concentration of single iron source FeCl3·6H2O in i[...]
Article : texte imprimé
Guowu Zhan, Auteur ;
Mingming Du, Auteur ;
Daohua Sun, Auteur
|
Au/TS-1 catalysts could be prepared by immobilizing the biosynthesized Au sol on TS-1 supports. A variety of techniques, such as N2 physisorption, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectorscopy, UV-v[...]
Article : texte imprimé
Arindom Saha, Auteur ;
Darrell P. Eyman, Auteur
|
This report describes optimization of the synthesis of γ-Al2O3 supported vanadium oxides using three different vanadium precursors: OV(O'Pr)3, OV(OEt)3 and OV(OPr)3. It was observed that the actual loading of the metal oxide is controlled by a n[...]
Article : texte imprimé
Qilong Chen, Auteur ;
Jia Wang, Auteur ;
Feng Li, Auteur
|
Carbon nanofibers (CNFs) were synthesized by catalytic chemical vapor deposition from acetylene from a series of supported Pt catalysts derived from Pt-containing Mg–Al layered double hydroxide precursors. The materials were characterized by pow[...]
Article : texte imprimé
Candida Milone, Auteur ;
Abdul Rahim Shahul Hameed, Auteur ;
Elpida Piperopoulos, Auteur
|
p-Coumaric acid is representative of the polyphenolic fraction typically found in olive milling waste waters (OMWW). The catalytic wet air oxidation of p-coumaric acid has been investigated at 353 K at P = 2 MPa, using CeO2, Pt and Au supported [...]
Article : texte imprimé
Yulei Guan, Auteur ;
Bolun Yang, Auteur ;
Suitao Qi, Auteur
|
To elucidate the accelerating effect of 1-nitropropane on the thennal cracking of normal alkanes, ab initio and density functional theory calculations were performed to investigate the elementary reactions involved in the initiated thermal crack[...]
Article : texte imprimé
Xin Liu, Auteur ;
Zhi-jie Zhou, Auteur ;
Bao-shen Zhang, Auteur
|
The gasification reactivity of petroleum coke, which was treated by microwave at different times, powers, and temperatures, was investigated by using thermogravimetric analysis (TGA) at 1473 K at atmospheric pressure. The results showed that the[...]
Article : texte imprimé
Pragati A Shringarpure, Auteur ;
Anjali Patel, Auteur
|
An ecofriendly solid catalytic system comprising undecaphosphotungstate and neutral alumina was found to be an efficient catalytic system for solvent-free liquid-phase aerobic epoxidation of alkenes under mild reaction conditions. The superiorit[...]
Article : texte imprimé
Claudio Passalia, Auteur ;
Orlando M. Alfano, Auteur ;
Rodolfo J. Brandi, Auteur
|
Heterogeneous photocatalysis is a suitable technology for eliminating indoor pollutants at low concentration ranges. In this work we deal with the modeling and experimental evaluation of a continuous, single-pass, corrugated plate photocatalytic[...]
Article : texte imprimé
Hale Bahar Ozturk, Auteur ;
Bill MacNaughtan, Auteur ;
John R. Mitchell, Auteur
|
Lyocell fibers, regenerated cellulosic fibers spun from cellulose/N-methylmorpholine-N-oxide hydrate solution by wet spinning, were treated with LiOH aqueous solution at concentrations of up to 7.5 M to study the inter- and intrafibrillar change[...]
Article : texte imprimé
Jiale Huang, Auteur ;
Guowu Zhan, Auteur ;
Bingyun Zheng, Auteur
|
Biosynthesis of Ag nanoparticles (AgNPs) by Cacumen Platycladi extract was investigated. The AgNPs were characterized by ultraviolet-visible absorption spectroscopy (UV-vis), transmission electron microscopy (TEM), selected-area electron diffrac[...]
Article : texte imprimé
Byoung - Mine Lee, Auteur ;
Soo - Jung Kim, Auteur ;
Byung - Chul Lee, Auteur
|
This study investigated the micronization of HMX (cyclotetramethylenetetranitramine) using two types of recrystallization methods with supercritical carbon dioxide as an antisolvent, namely, the aerosol solvent extraction system (ASES) and gas a[...]
Article : texte imprimé
Odinei H. Gonçalves, Auteur ;
André L. Nogueira, Auteur ;
Pedro H. H. Araujo, Auteur
|
The correct manipulation of particle size distribution in suspension polymerization is important because particle size determines the product applicability and processability. Methyl methacrylate suspension polymerization was studied in order to[...]
Article : texte imprimé
Jing Ding, Auteur ;
Si - Chong Chen, Auteur ;
Xiu-Li Wang, Auteur
|
A thermoplastic modified poly(vinyl alcohol) (PVA-g-LA) with improved melt processing property was prepared by melt polycondensation of PVA with lactic acid. Rheological behaviors of PVA-g-LA copolymers were investigated using a high-pressure ca[...]
Article : texte imprimé
Fengyu Shen, Auteur ;
Wenxiu Que, Auteur ;
Yulong Liao, Auteur
|
In this paper, p-type CuInS2 quantum dots are synthesized by a solvothermal route and incorporated with n-type TiO2 nanoparticles by a thermal treatment process. Transmission electron microscopy (TEM) results indicate that the CuInS2 quantum dot[...]
Article : texte imprimé
Sinem Perk, Auteur ;
Fouad Teymour, Auteur ;
Ali Cinar, Auteur
|
An adaptive agent-based hierarchical framework for fault type classification and diagnosis in continuous chemical processes is presented. Classification techniques such as Fisher's discriminant analysis (FDA) and partial least-squares discrimina[...]
Article : texte imprimé
Jie Li, Auteur ;
Iftekhar A. Karimi, Auteur
|
Gasoline can yield 60%-70% of the total profit of a refinery. Integrated scheduling of gasoline blending and order delivery operations can increase profit by avoiding ship demurrage, improving customer satisfaction, minimizing quality giveaways,[...]
Article : texte imprimé
Leon F. G. Geers, Auteur ;
Annemieke Van de Runstraat, Auteur ;
Ralph Joh, Auteur
|
One possible way to reduce our carbon footprint is using postcombustion capture (PCC) processes to remove CO2 from flue gases. Because of the highly dynamic characteristics of such processes, real-time performance monitoring is a very complex ta[...]
Article : texte imprimé
Yuan Zong, Auteur ;
Xiaogang Yang, Auteur ;
Gance Dai, Auteur
|
A novel fiber dispersion process suitable for the manufacture of composites consisting of long glass fibers and thermoplastic is discussed. An internally spout-fluidized bed with a draft tube and disk baffle has been designed to disperse fiber b[...]
Article : texte imprimé
Louise Heerema, Auteur ;
Mark Roelands, Auteur ;
Earl Goetheer, Auteur
|
This paper describes a conceptual process design for the production of the model component phenol by a recombinant strain of the micro-organism Pseudomonas putida S12. The (bio)production of the inhibiting component phenol in a bioreactor is com[...]
Article : texte imprimé
Alvaro Orjuela, Auteur ;
Aspi Kolah, Auteur ;
Carl T. Lira, Auteur
|
Esterification of mixtures of succinic acid and acetic acid, commonly produced via fermentation of biomass carbohydrates, with ethanol in a continuous reactive distillation unit has been studied. Experiments were carried out in a 6 m tall, 51 mm[...]
Article : texte imprimé
Kai-Ti Chu, Auteur ;
Loic Cadoret, Auteur ;
Cheng-Ching Yu, Auteur
|
Divided wall columns (DWCs) can save energy and capital costs compared with traditional distillation columns; however, the design of DWCs is more difficult because there are more degrees of freedom. This paper describes a novel short-cut method [...]
Article : texte imprimé
Nonlinear modeling method applied to prediction of Hot metal silicon in the ironmaking blast furnace
Antti Nurkkala, Auteur ;
Frank Pettersson, Auteur ;
Henrik Saxe, Auteur
|
Feedforward neural networks have been established as versatile tools for nonlinear black-box modeling, but in many data-mining tasks the choice of relevant inputs and network complexity still constitute major challenges. Statistical tests for de[...]
Article : texte imprimé
Kaushik Ghosh, Auteur ;
Sathish Natarajan, Auteur ;
Rajagopalan Srinivasan, Auteur
|
Due to the sheer size and complexity of modem chemical processes, single centralized monolithic monitoring strategies are not always well suited for detecting and identifying faults. In this paper, we propose a framework for distributed fault de[...]
Article : texte imprimé
Xiqun Zhou, Auteur ;
Jiansheng Fan, Auteur ;
Nan Li, Auteur
|
The adsorption behavior of uridine 5'-monophosphate (UMP) on a gel-type anion-exchange resin SD3 at different temperatures was investigated by the batch method. The dissociation equilibrium of UMP in aqueous solution has been studied. Effects of[...]
Article : texte imprimé
Calcined Mg–al layered double hydroxides for uptake of trace levels of bromate from aqueous solution
Ramesh Chitrakar, Auteur ;
Akinari Sonoda, Auteur ;
Yoji Makita, Auteur
|
Layered double hydroxides of Mg and Al (Mg-Al LDH) were synthesized with OH-, Cl-, or CO32- as charge compensating anions. The materials were calcined at 500 °C in air. The bromate uptakes of calcined and uncalcined LDH materials were investigat[...]
Article : texte imprimé
Yong Sun, Auteur ;
Paul A. Webley, Auteur
|
Activated carbons were produced from agricultural waste corncob using K2CO3 and H3PO4 as activators. The optimal activation temperature for producing the largest BET specific surface area and pore volume of the carbon was 800 °C for K2CO3 activa[...]
Article : texte imprimé
Hamid R. Radfarnia, Auteur ;
Maria C. Iliuta, Auteur
|
Porous nanoparticle lithium zirconate (Li2ZrO3) was prepared using an ultrasound-assisted surfactant-template method in the liquid-state reaction. The CO2 adsorption performance of the prepared materials was tested under various conditions and c[...]
Article : texte imprimé
Young Eun Kim, Auteur ;
Jeong Ho Choi, Auteur ;
Sung Chan Nam, Auteur
|
This research studied the absorption of CO2 into the aqueous solution of piperazine (PZ) and K2CO3/PZ in the vapor-liquid equilibrium (VLE) apparatus at 313, 333, and 353 K. NMR spectroscopy was used to identify the species distribution in PZ-H2[...]
Article : texte imprimé
Jesusa Rincon, Auteur ;
Rafael Camarillo, Auteur ;
Luis Rodriguez, Auteur
|
The solubility of used frying oil in high pressure CO2 modified with four cosolvents (ethanol, methanol, acetone, and hexane) has been determined using a dynamic flow method. The aim of the work has been to analyze and compare the oil solubiliti[...]
Article : texte imprimé
L. V. Van der Ham, Auteur ;
S. Kjelstrup, Auteur
|
The distillation columns of a two-column cryogenic air separation unit (ASU) are responsible for a considerable part of the total ASU inefficiencies. The efficiency of a conventional distillation column can be increased by distributing the reboi[...]
Article : texte imprimé
Article : texte imprimé
Pei Li, Auteur ;
K. P. Pramoda, Auteur ;
Tai-Shung Chung, Auteur
|
In this work, a vinyl-fonctionalized room temperature ionic liquid (RTIL), 1-vinyl-3-butylimidazolium bis-(trifluoromethylsulfonyl)imide ([vbim][Tf2N]), has been successfully synthesized. The RTIL was further polymerized and mixed with 1-butyl-3[...]
Article : texte imprimé
Alejandro Guijarro-Aldaco, Auteur ;
Virginia Hernandez-Montoya, Auteur ;
Adrian Bonilla-Petriciolet, Auteur
|
We introduce the application of hen egg shell waste to improve the adsorption capacities of heavy-metal ions using commercial carbons via the modification of their surface chemistry. Specifically, a calcium solution extracted from egg shell wast[...]
Article : texte imprimé
Xiao-lin Tang, Auteur ;
Wei Qian, Auteur ;
An Hu, Auteur
|
This work mainly involved the investigation of the adsorption of thiophene on Pt/Ag-supported activated carbons (ACs) prepared by ultrasonic-assisted impregnation (UI). The adsorption capacity of thiophene over the ACs studied followed the order[...]
Article : texte imprimé
Pinhua Yu, Auteur ;
Kun Huang, Auteur ;
Chao Zhang, Auteur
|
Three-liquid-phase extraction and one-step separation of platinum, palladium, and rhodium in the system composed of diisoamyl sulphide (S201), polyethylene oxide-polypropylene oxide random block copolymer (EOPO), Na2SO4, and H2O were investigate[...]
Article : texte imprimé
Dineshkumar Patel, Auteur ;
Farhad Ein-Mozaffari, Auteur ;
Mehrab Mehrvar, Auteur
|
The core objectives of this work were to characterize and optimize the continuous-flow mixing of pseudoplastic fluids exhibiting yield stress in stirred reactors. To achieve these objectives, the effects of impeller type (for the seven axial-flo[...]
Article : texte imprimé
Miguel A. Teixeira, Auteur ;
Oscar Rodriguez, Auteur ;
Fatima L. Mota, Auteur
|
Several predictive GE methods based on the group-contribution concept have been tested for prediction of multicomponent vapor-liquid equilibria (VLE) of fragrance mixtures. The evaluation covered 24 binary, 20 ternary, and 21 quaternary mixtures[...]
Article : texte imprimé
Mixed-convection flow of nanofluids and regular fluids in vertical porous media with viscous heating
Mohammad Memari, Auteur ;
Ayub Golmakani, Auteur ;
Asghar Molaei Dehkordi, Auteur
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In this article, the problem of combined forced and natural convection in a vertical porous channel for both regular fluids and nanofluids has been solved by perturbation and numerical methods, taking into account the influences of viscous heati[...]
Article : texte imprimé
Ze-kun Li, Auteur ;
Jin-sen Gao, Auteur ;
Gang Wang, Auteur
|
Contrastive fluid catalytic cracking (FCC) performances of coker gas oil (CGO) narrow-boiling fractions before and after HCl aqueous solution and furfural further treatment were investigated. Nonbasic nitrogen compounds and condensed aromatics i[...]
Article : texte imprimé
Şehmus Altun, Auteur ;
Cengiz Oner, Auteur ;
Fevzi Yaşar, Auteur
|
Experimental work was conducted to evaluate the effect of using n-butanol (normal butanol) in conventional diesel fuel-biodiesel blends on the engine performance and exhaust emissions of a single cylinder direct injection compression ignition en[...]
Article : texte imprimé
Yaojie Cao, Auteur ;
Ping Li, Auteur ;
Jinghong Zhou, Auteur
|
Fibrous carbon nanofiber composite is prepared by growing carbon nanofibers on graphite felt Pressure drop experiments are carried out with ethanol solution to study the influence of the liquid surface tension on the permeability of the composit[...]
Article : texte imprimé
Mohammad Illbeigi, Auteur ;
Alireza Fazlali, Auteur ;
Amir H. Mohammadi, Auteur
|
In this communication, equilibrium conditions of clathrate hydrates of cyclopentane, cylcohexane, acetone, or 1,4-dioxane + methane, which form structure II, and 1,1-dimethylcyclohexane, 2,2-dimethylpentane, methylcyclohexane, or cis-1,2-dimethy[...]
Article : texte imprimé
Simona Morariu, Auteur ;
Cristina-Eliza Brunchi, Auteur ;
Camelia Hulubei, Auteur
|
This article investigates the viscoelastic behavior of poly(acrylonitrile) (PAN) and poly[N-(4-carboxyphenyl)maleimide] (PMI) solutions in dimethylformamide (DMF) in comparison with PMI/PAN/DMF ternary mixtures. Some rheological characteristics,[...]
Article : texte imprimé
Rongpei Jiang, Auteur ;
Guozhu Liu, Auteur ;
Zhiqiang You, Auteur
|
Thermal cracking of a series of model compounds (n-octane, n-decane, n-dodecane, cydohexane, methylcyclohexane), as well as a commercial Chinese jet fuel RP-3, was performed in a flowing reactor consisting of an electrically heated tube under a [...]
Article : texte imprimé
Radu Burlica, Auteur ;
Kai-Yuan Shih, Auteur ;
Bogdan Hnatiuc, Auteur
|
The formation rates and energy yields of H2 formed from methanol, propanol, and ethanol solutions exposed to a nonthermal pulsed plasma-gliding arc reactor equipped with a spray nozzle were determined. The H2 energy yield formation was the highe[...]
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