Chemical engineering journal, Vol. 174 N° 1. Chemical engineering journal - Octobre 2011
| Titre : | Chemical engineering journal, Vol. 174 N° 1. Chemical engineering journal - Octobre 2011 |
| Type de document : | Bulletin |
| Paru le : | 16/09/2012 |
Dépouillements
Article : texte imprimé
R. Ocampo-Pérez, Auteur ;
J. Rivera-Utrilla, Auteur ;
M. Sánchez-Polo, Auteur
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The aim of this study was to determine the effectiveness of gamma radiation to degrade cytarabine in aqueous solution. The effect of dose rate, initial cytarabine concentration, medium pH, and the presence of H2O2, Cl−, CO32−, NO3−, NO2− and org[...]
Article : texte imprimé
Montserrat Lopez-Mesas, Auteur ;
Enrique Ruperto Navarrete, Auteur ;
Fernando Carrillo, Auteur
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In this work the ability of corkwastes to remove Cd(II) and Pb(II) from aqueoussolutions has been studied. The kinetics of the biosorption system, the influence of the aqueous pH and the initial metal concentration on the metal uptake were inves[...]
Article : texte imprimé
Amel El Ghali, Auteur ;
Mohamed Hassen V. Baouab, Auteur ;
Mohamed Sadok Roudesli, Auteur
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Ethylenediamine grafted cellulosic fibers (ED–cotton) were synthesized by the reaction of chlorodeoxycellulose (CDC) with (ED). The performance of the modified materials was characterized by Fourier transform-infrared (FTIR), atomic force micros[...]
Article : texte imprimé
Guillermo Quijano, Auteur ;
Annabelle Couvert, Auteur ;
Abdeltif Amrane, Auteur
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The potential of four ILs for whole-cellbiotechnological processes was evaluated in terms of toxicity and biodegradability. From the four ILs tested, only Aliquat completely inhibited the microbial glucose uptake at a concentration of 5%, while [...]
Article : texte imprimé
J.M. Salman, Auteur ;
V.O. Njoku, Auteur ;
B.H. Hameed, Auteur
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Adsorption of 2,4-dichlorophenoxyaceticacid (2,4-D) from aqueous solution onto activated carbon derived from oilpalm frond (PFAC) was investigated using batch and column systems. The effects of contact time, initial concentration of 2,4-D, tempe[...]
Article : texte imprimé
J.M. Salman, Auteur ;
V.O. Njoku, Auteur ;
B.H. Hameed, Auteur
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Activated carbon was prepared from bananastalk by potassium hydroxide (KOH) and carbon dioxide (CO2) activation and its ability to remove the pesticides, 2,4-dichlorophenoxyacetic acid (2,4-D) and bentazon was explored. The bananastalkactivated [...]
Article : texte imprimé
Liana Alvares Rodrigues, Auteur ;
Maria Lucia Caetano Pinto Silva, Auteur ;
Manoel Orlando Alvarez-Mendes, Auteur
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Activatedcarbon derived from avocado kernels (AAC) was evaluated for its ability to remove phenol. The Brunauer–Emmett–Teller (BET) surface area of the AAC was 206 m2 g−1 and the total pore volume was 0.100 cm3 g−1. The kinetic of the adsorption[...]
Article : texte imprimé
Raja Saha, Auteur ;
Animesh Sahana, Auteur ;
Sudipta Das, Auteur
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Mixture of pyridine-2,6-dimethanol (PDM) and thiocyanate (SCN−) (1:1, mole ratio) immobilized on silica served as a very efficient sorbent for selective retention of Co(II) from other associated metal ions at trace level. The maximum sorption ca[...]
Article : texte imprimé
Jianming Pan, Auteur ;
Longcheng Xu, Auteur ;
Jiangdong Dai, Auteur
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Via encapsulation of attapulgite/Fe3O4magneticparticles (ATP/Fe3O4), the magneticmolecularlyimprintedpolymers (MMIPs) were synthesized for the selective recognition of 2,4-dichlorophenol (2,4-DCP). MMIPs were characterized by X-ray diffraction ([...]
Article : texte imprimé
Asli Erdem, Auteur ;
Talal Shahwan, Auteur ;
Ali Cagir, Auteur
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A solid phase extraction sorbent, aminopropyltriethoxysilane-functionalized silica was prepared and used for vanadiumspeciation prior to inductively coupled plasma mass spectrometric determination. The necessary sorption parameters such as sorpt[...]
Article : texte imprimé
P. Abad-Valle, Auteur ;
M.A. Lopez-Anton, Auteur ;
M. Diaz-Somoano, Auteur
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During the combustion of coal in power plants Hg is released from the coal into the environment. Several technologies are under developed to reduce these emissions, but the need to implement new control systems will depend in part on the extent [...]
Article : texte imprimé
Norbert Riefler, Auteur ;
Michael Heiland, Auteur ;
Anja Waske, Auteur
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Flow simulations in a random spherepacking are used to investigate particulate filtration processes. The local wall shear stress is used to calculate an angular dependent distribution for particledetachment. Simulations of particledeposition by [...]
Article : texte imprimé
Rosangela Bergamasco, Auteur ;
Flávia Vieira Silva, Auteur ;
Flávia Sayuri Arakawa, Auteur
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This paper presents filtration results for drinkingwatertreatment obtained with a commercial cellulose acetate membrane of 0.45 μm pore diameter, with and without TiO2 coating. The deposition of titanium dioxide thin films onto membrane surface [...]
Article : texte imprimé
P. Kandwal, Auteur ;
S. Dixit, Auteur ;
S. Mukhopadhyay, Auteur
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A mathematical model is developed for the transport of cesium through hollowfibersupportedliquidmembrane (HFSLM) containingcalix-[4]-bis(2,3-naptho)-crown-6 (CNC) as the carrier extractant in NPOE and n-dodecane mixture as diluent. The model is [...]
Article : texte imprimé
André L. Cazetta, Auteur ;
Alexandro M.M. Vargas, Auteur ;
Eurica M. Nogami, Auteur
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Activatedcarbons (ACs) of coconutshellproduced by NaOH activation at impregnation ratios of NaOH:char (w/w) equal to 1:1 (AC-1), 2:1 (AC-2) and 3:1 (AC-3) were prepared. The properties of these carbons, including BET surfacearea, pore volume, po[...]
Article : texte imprimé
Qi Wang, Auteur ;
Jiaxing Li, Auteur ;
Changlun Chen, Auteur
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The effects of contact time, pH, ionic strength, foreign ions, temperature, humic substances (HSs), and the addition sequences of Co(II)/HSs on Co(II) sorption on magneticmultiwalled carbon nanotube/iron oxide composites (magnetic MWCNT/IO compo[...]
Article : texte imprimé
A. Rey, Auteur ;
J. Carbajo, Auteur ;
C. Adán, Auteur
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Different single treatments and a combined process based on two advanced oxidation processes, catalytic wet peroxide oxidation and photocatalysis, have been tested for the purpose of achieving complete mineralization using phenol as target comp[...]
Article : texte imprimé
Hao Chen, Auteur ;
Jie Zhao, Auteur ;
Aiguo Zhong, Auteur
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In this work, palygorskite clay was activated by heat treatment method and its capacity for the removal of a typical cationic dye, methylene blue, was studied. The activated samples were characterized by XRD and BET techniques. The physical quan[...]
Article : texte imprimé
V. Venugopal, Auteur ;
Kaustubha Mohanty, Auteur
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In the present work the potential of Parthenium (P. hysterophorus L.) weed to remove Cr(VI) ions from aqueous solution was reported. FTIR was used to study the functional groups present on the surface of the biosorbent and it was found that carb[...]
Article : texte imprimé
Jingxin Zhang, Auteur ;
Yaobin Zhang, Auteur ;
Xie Quan, Auteur
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Sulfate inhibits anaerobic digestion because it stimulates sulfate reduction bacteria (SRB) to compete with methanogens for electron utilization and sulfide produced has toxicity to microorganism. Considering that zero-valent iron (ZVI) is expec[...]
Article : texte imprimé
Bipro Ranjan Dhar, Auteur ;
Elsayed Elbeshbishy, Auteur ;
Hisham Hafez, Auteur
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Thermo-oxidative pretreatment of municipal waste activated sludge was conducted using thermal pretreatment at 60 °C in presence of 0.6 mg H2O2 + 1.5 mg FeCl2/mg S2− as oxidants with the objective of achieving sludge disintegration for enhancing [...]
Article : texte imprimé
Yuegan Liang, Auteur ;
Zheng Zheng, Auteur ;
Rimao Hua, Auteur
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The technical feasibility of simultaneous lime treatment and dry digestion (SLTD) of smooth cordgrass in a leaching bed reactor at 55 ± 1 °C is discussed. SLTD was carried out in a single reactor with a high initial biogas production rate and vo[...]
Article : texte imprimé
Hsin-Hsien Chou, Auteur ;
Ju-Sheng Huang, Auteur ;
Chun-Wen Tsao, Auteur
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A laboratory study was undertaken to explore the influential effects of mass transfer resistance on overall substrate removal in acetate-fed and glucose-fed sequential aerobic sludge blanket reactors. In both reactors, solids retention time decr[...]
Article : texte imprimé
Suhas R. Patil, Auteur ;
B.H. Hameed, Auteur ;
Andrijna Sever Skapin, Auteur
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Surfactant-assisted anatase mesoporous TiO2 transparent films, along with P25 translucent films were successfully synthesized and deposited by dip-coating technique. Prepared films were characterized by UV–Vis spectroscopy, X-ray diffraction (XR[...]
Article : texte imprimé
Guiying Li, Auteur ;
Lei Guo, Auteur ;
Yanfeng Meng, Auteur
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Self-assembled nanoparticles from thermo-sensitive polyion complex (PIC) micelles comprised of poly(t-butyl acrylate-co-acrylic acid)-b-poly(N-isopropylacrylamide) [P(tBA-co-AA)-b-PNIPAM] core–shell micelles and graft copolymer chitosan-g-poly(N[...]
Article : texte imprimé
X.H. Zhao, Auteur ;
Y.Q. Zhao, Auteur ;
P. Kearney, Auteur
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The phosphorus (P)-saturated aluminium sludge used as substrate in constructed wetland (CW) for P-rich wastewater treatment was investigated to recover P and Al through chemical precipitations of the P-extraction leachate of the used aluminium s[...]
Article : texte imprimé
K. Gobi, Auteur ;
M.D. Mashitah, Auteur ;
V.M. Vadivelu, Auteur
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The high COD and turbidity level of palm oil mill (POM) wastewater has been the driving force to find an efficient treatment system. In this work, biological and adsorption methods are integrated and used to treat the POM wastewater. In biologic[...]
Article : texte imprimé
Longcheng Xu, Auteur ;
Jiangdong Dai, Auteur ;
Jiangming Pan, Auteur
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The rattle-type γ-Fe2O3/mesoporous silica spheres (γ-Fe2O3/mSiO2 spheres) were synthesized with a facial and selectively etching strategy. The prepared particles were characterized by FT-IR, XRD, TEM, SEM, VSM, Raman spectroscopy and nitrogen ad[...]
Article : texte imprimé
Qiang Xiao, Auteur ;
Xiaodan Tang, Auteur ;
Yefeng Liu, Auteur
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K-doped Li2ZrO3 sorbents with excellent CO2 capture properties were synthesized via a citrate route. The CO2 capture–regeneration properties of these synthesized K-doped Li2ZrO3 sorbents were investigated by thermogravimetric analysis (TGA) at d[...]
Article : texte imprimé
Cun Zhang, Auteur ;
Tao Liu, Auteur ;
Hong-Juan Wang, Auteur
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Solid superacid WO3/ZrO2 was prepared by co-precipitation of an aqueous zirconyl chloride and ammonium metatungstate solution. The as-prepared catalysts were characterized by using XRD, Laser Raman spectroscopy and BET. Acetyl salicylic acid was[...]
Article : texte imprimé
Jong-Ki Jeon, Auteur ;
Hyeonjoo Kim, Auteur ;
Young-Kwon Park, Auteur
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In the process of producing liquid crystal displays (LCD), the emitted NOx is removed over an activated carbon catalyst by using selective catalytic reduction (SCR) with NH3 at low temperature. However, the catalyst rapidly deactivates primarily[...]
Article : texte imprimé
Nyomi Uduman, Auteur ;
Vivien Bourniquel, Auteur ;
Michael K. Danquah, Auteur
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Microalgal biomass as feedstock for biofuel production is rapidly gaining appreciation in response to the increasing petroleum prices and the upsurge in global warming concerns. However, the process of creating concentrated biomass from microalg[...]
Article : texte imprimé
Bi-Cun Jiang, Auteur ;
Zhao-Yang Lu, Auteur ;
Fu-Qiang Liu, Auteur
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Nitrobenzene (NB) oxidation through conventional Fenton process produces a considerable amount of highly toxic 1,3-dinitrobenzene (1,3-DNB) as a byproduct. Aiming at significantly decreasing 1,3-DNB production in Fenton process, we developed a n[...]
Article : texte imprimé
Onofrio Scialdone, Auteur ;
Alessandro Galia, Auteur ;
Serena Randazzo, Auteur
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A detailed study was dedicated to the anodic oxidation of three carboxylic acids (namely, oxalic, formic and maleic acid) with the objective to evaluate in a systematic way the effect on the oxidation of carboxylic acids of numerous relevant par[...]
Article : texte imprimé
M. Mana, Auteur ;
M.S. Ouali, Auteur ;
L.C. De Menorval, Auteur
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A spent bleaching earth from an edible oil refinery has been treated with an aqueous cetyltrimethylammonium bromide solution in order to remove the edible oil impregnating the solid material and to intercalate the ammonium cation in the interlay[...]
Article : texte imprimé
The difference in the basal spacing (8.79 Å) and a higher mass loss (6.2%) in the temperature range of 200–750 °C of naproxen-bentonite (N-bentonite) comparing to that of Unye bentonite (UB) signified the existence of thermally stable organic sp[...]
Article : texte imprimé
Shan-Li Wang, Auteur ;
Jyh-Fu Lee, Auteur
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It has been suggested that lignocellulosic materials are cost-effective materials for remediation of toxic Cr(VI) pollution; however, inconsistent interpretations of the reaction mechanism are frequently found in the literature. To clarify the r[...]
Article : texte imprimé
Baohong Guan, Auteur ;
Yang Li, Auteur ;
Hailu Fu, Auteur
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A pilot scale preparation of α-calcium sulfate hemihydrate (α-HH) from flue gas desulfurization (FGD) gypsum was conducted for the first time in mixed salt solutions under atmospheric pressure. The effects of salt solution recycling on the trans[...]
Article : texte imprimé
Yinghan Zheng, Auteur ;
Wenqiu Su, Auteur ;
Shengying Chen, Auteur
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The SnO2–Sb2O5–RuO2, α-PbO2 and β-PbO2 films were successfully deposited on Ti nets using thermal deposition and electrodeposition methods. It was found that the SnO2–Sb2O5–RuO2 interlayer played a very important role in enhancing the PbO2 films[...]
Article : texte imprimé
L. Chabaane, Auteur ;
S. Tahiri, Auteur
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Chestnut (C) and mimosa (M) tannins immobilized on chrome shavings (CS) as an adsorbent have been proposed to be an efficient and economical alternative in hexavalent chromium removal from aqueous solutions. The adsorption of hexavalent chromium[...]
Article : texte imprimé
Sammy W. Verbruggen, Auteur ;
Stefan Ribbens, Auteur ;
Tom Tytgat, Auteur
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In the field of photocatalytic air purification, the immobilisation of catalyst particles on support surfaces without loss of photon efficiency is an important challenge. Therefore, an immobilisation method involving a one-step suspension coatin[...]
Article : texte imprimé
Bamboo charcoal-based, iron-containing adsorbent (Fe–BC) was developed by using bamboo charcoal (BC) as a supporting medium for ferric iron that was impregnated by Fe2(SO4)3 and H2SO4 simultaneous treatment, followed by microwave heating. The lo[...]
Article : texte imprimé
E.M. Lennon, Auteur ;
M.C. Tanzy, Auteur ;
V.A. Volpert, Auteur
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We develop and solve a novel model for the combustion of reactive solutions impregnated into a cellulose carrier. This procedure has been shown to be effective in the synthesis of metallic oxides with a nanoscale microstructure, which are suitab[...]
Article : texte imprimé
Alireza Abbasi, Auteur ;
Paul E. Ege, Auteur ;
Hugo I. De Lasa, Auteur
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Coal gasification in fluidized beds is a process that can be strongly influenced by gas–solid suspension flow patterns. Fast fluidized beds can be designed to maximize coal gasification yields providing an optimum syngas composition with minimum[...]
Article : texte imprimé
Yingmei Xie, Auteur ;
Shujuan Zhang, Auteur ;
Bingcai Pan, Auteur
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A nanocomposite, D201-CdS, made by depositing CdS nanoparticles on a resin support (D201) was found to be a promising photocatalyst with visible light response. To elucidate the structure-activity relationship, a set of D201-CdS nanocomposites v[...]
Article : texte imprimé
J. Carrillo-Ahumada, Auteur ;
G.C. Rodríguez-Jimenes, Auteur ;
M.A. García-Alvarado, Auteur
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Pareto optimality was introduced in order to find the better equilibrium between performance and robustness of linear controllers by the simultaneous minimization of the quadratic-error and quadratic-control functions integrals. The Pareto optim[...]
Article : texte imprimé
Mehdi Salami-Kalajahi, Auteur ;
Vahid Haddadi-Asl, Auteur ;
Saeid Rahimi-Razin, Auteur
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To study the effect of silica nanoparticles on the kinetics of methyl methacrylate free radical polymerization, a number of batch polymerizations were performed using pristine and methacrylate-modified silica nanoparticles at 75 °C. In addition,[...]
Article : texte imprimé
Yasnessya Hardjono, Auteur ;
Hongqi Sun, Auteur ;
Huyong Tian, Auteur
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Co oxide doped carbon aerogel (Co/CA) was prepared, characterised by several techniques, and tested for heterogeneous oxidation of phenol in aqueous solution using oxone as an oxidant. For a comparison, homogeneous oxidation of phenol in Co2+/ox[...]
Article : texte imprimé
Céline Delwaulle, Auteur ;
Alastair Magnaldo, Auteur ;
Andrea Salvatores, Auteur
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A key step in existing industrial recycling processes for spent nuclear fuel, after cutting up the spent fuel assemblies, is the continuous dissolution of uranium dioxide in a dissolver containing concentrated nitric acid. The purpose of this st[...]
Article : texte imprimé
Qin Zhong, Auteur ;
Tianjiao Zhang, Auteur ;
Yuntao Li, Auteur
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This study aimed at elucidating a two-step process of the low-temperature selective catalytic reduction (SCR) reaction. The data were collected through studying the EPR signal of NO (or NH3) + O2 adsorption on fluorine-doped vanadia/titania and [...]
Article : texte imprimé
Shiwei Liu, Auteur ;
Hongxia Zhou, Auteur ;
Shitao Yu, Auteur
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The dimerization of fatty acid methyl ester was investigated using Brönsted–Lewis acidic ionic liquids (ILs) as catalysts. It is found that IL (3-sulfonic acid)-propyl-triethylammonium chlorozincinate [HO3S–(CH2)3–NEt3]Cl–ZnCl2 (x = 0.64, x: mol[...]
Article : texte imprimé
Xiaoyan Zhou, Auteur ;
Ming Meng, Auteur ;
Zhaosong Sun, Auteur
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The Mn or Co promoted Cu-Ce-O catalysts were prepared by citric acid complexation, and used for the catalytic production of hydrogen via the route of dimethyl ether steam reforming (DME SR). Multiple techniques such as X-ray diffraction (XRD), X[...]
Article : texte imprimé
Kenneth Wong, Auteur ;
Zeng, Qinghua, Auteur ;
Aibing Yu, Auteur
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The synergistic effect at the interface of the bilayer Cu monomer or CuO dimer modified CeO2(1 1 1) catalyst for CO oxidation is investigated with density functional theory calculation. Important factors related to the synergistic effect such as[...]
Article : texte imprimé
Jun-Hwan Bang, Auteur ;
Young Nam Jang, Auteur ;
Wonbaek Kim, Auteur
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The microbubble generator (MBG)—an apparatus in which tiny micron-sized gas bubbles are produced in the aqueous phase—has been widely used in water purification systems. In this study, the feasibility of utilizing the MBG to precipitate calcium [...]
Article : texte imprimé
J. R. Araujo, Auteur ;
C. B. Adamo, Auteur ;
Marco-A. De Paoli, Auteur
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Vegetal fibers, like curauá fibers, are used as reinforcement for thermoplastics in biocomposites, due to their low density and availability. Polyaniline can be deposited on the surface of fibers producing electrically conductive fibers. The con[...]
Article : texte imprimé
Shao-Min Zhou, Auteur ;
Gong-Yu Zhu, Auteur ;
Yong-Qiang Wang, Auteur
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One-dimensional (1D) nanostructures with precise controlled morphologies have not been easily accessible, usually degrading the device performance and therefore limiting applications to various advanced nanoscale magnetism. Generally bulk chromi[...]
Article : texte imprimé
Xuefeng Liang, Auteur ;
Yingming Xu, Auteur ;
Guohong Sun, Auteur
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In order to improve the sorption performance of sepiolite for heavy metals, sepiolite was functionalized by nanotexturization in aqueous sepiolite gel and surface grafting in toluene with mercaptopropyltrimethoxysilane. The pristine sepiolite an[...]
Article : texte imprimé
Kinga A. Malinger, Auteur ;
Aude Maguer, Auteur ;
Alain Thorel, Auteur
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Anatase nanoparticles with controlled size in the range 7–13 nm were synthesized by a continuous hydrothermal crystallization of amorphous TiO2 precipitate in a tubular reactor. The amorphous precursor was obtained from a double jet precipitatio[...]
Article : texte imprimé
Gao-Song Shao, Auteur ;
Lei Liu, Auteur ;
Tian-Yi Ma, Auteur
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Nitrogen-doped carbon materials with hierarchically porous structure were prepared by employing meso-/macroporous titania (MMT) as exotemplate with the use of Vitamin B6 (VB6) as both the carbon precursor and the nitrogen source for elemental do[...]
Article : texte imprimé
Tae-Hyuk Lee, Auteur ;
Hayk H. Nersisyan, Auteur ;
Ha-Guk Jeong, Auteur
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Quasi-aligned, high-aspect-ratio AlN micro- and nanostructures were synthesized under high nitrogen pressure by the exothermic reaction of an Al + 0.015 mol (C2F4)n mixture. Structurally uniform AlN micro- and nanofibers with hexagonal and cylin[...]
Article : texte imprimé
The present work reported the synthesis of visible-light-induced heterostructured Zn–Al–In mixed metal oxide (ZnAlIn-MMO) nanocomposite photocatalysts derived from Zn–Al–In layered double hydroxide precursors. The structural and optical properti[...]
Article : texte imprimé
C.L. Wu, Auteur ;
K. Nandakumar, Auteur ;
A. S. Berrouk, Auteur
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An improved coupling method is proposed to ensure mass conservation in a previously developed DPM-CFD model (C.L. Wu et al., Three-dimensional discrete particle model for gas–solid fluidized bed on unstructured mesh, Chemical Engineering Journal[...]
Article : texte imprimé
Vitaly Gitis, Auteur ;
Christina Dlugy, Auteur ;
Gennady Ziskind, Auteur
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The significant probe dilution is one of the reasons to use soluble dyes and concentrated ion solutions for studies of colloid transport in subsoils and aquifers. We studied the clay transport in sand columns with Rhodamine 6G-intercalated montm[...]
Article : texte imprimé
Dongliang Wu, Auteur ;
Pengwu Zheng, Auteur ;
Peter R. Chang, Auteur
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The superparamagnetic Fe3O4 nanoparticles were synthesized on the rectorite (REC) to prepare the adsorbent of magnetic REC (REC-Fe3O4), which was explored to adsorb three dyes, namely methylene blue (MB), neutral red (NR) and methyl orange (MO).[...]
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