Volume 20 (2023)
Volume 19 (2022)
Volume 18 (2021)
Volume 17 (2020)
Volume 16 (2019)
Volume 15 (2018)
Volume 14 (2017)
Volume 13 (2016)
Volume 12 (2015)
Volume 11 (2014)
Volume 10 (2013)
Volume 9 (2012)
Volume 8 (2011)
Volume 7 (2010)
Volume 6 (2009)
Volume 5 (2008)
Volume 4 (2007)
Volume 3 (2006)
Volume 2 (2005)
Volume 1 (2004)
Main Subjects = Reaction Engineering, Kinetics and Catalysts,
Number of Articles: 90
Optimization of factors affecting on sulfide oxidation from synthetic spent caustic by Haloalkaliphilic Thioalkalivibrio versutus by focus on sodium ion effect: Application of response surface methodology
Volume 14, Issue 1 , March 2017, , Pages 74-87
Abstract
In the present study, the effects of four factors including initial sulfide concentration (mg l-1 ), agitation speed (rpm), amount of inoculums (%) and sodium concentration (mg l-1) on removal efficiency (%R) and yield of sulfate production by Thioalkalivibrio versutus from synthetic spent caustic were ... Read MoreSimultaneous high hydrogen content-synthesis gas production and in-situ CO2 removal via sorption-enhanced reaction process: modeling, sensitivity analysis and multi-objective optimization using NSGA-II algorithm
Volume 13, Issue 4 , November 2016, , Pages 71-95
Abstract
The main focus of this study is improvement of the steam-methane reforming (SMR) process by in-situ CO2 removal to produce high hydrogen content synthesis gas. Sorption-enhanced (SE) concept is applied to improve process performance. In the proposed structure, the solid phase CO2 adsorbents and pre-reformed ... Read MoreEnhancement of Hydrogen and Methanol Production using a Double Fluidized-bed Two Membranes Reactor
Volume 13, Issue 3 , July 2016, , Pages 3-18
Abstract
Nowadays, hydrogen and methanol are attractive prospects because of lower emission compared to the other energy sources and their special application in fuel cell technology, which are now widely regarded as key energy solution for the 21st century. These two chemicals also can be utilized in transportation, ... Read MoreUltrasonic Assisted Synthesis and Characterization of xCuO/CeO2–γAl2O3 Nanoatalysts
Volume 13, Issue 3 , July 2016, , Pages 43-53
Abstract
In this paper, xCuO/CeO2–γAl2O3 nano-catalysts were successfully synthesized by precipitation from an aqueous solution which modified via ultrasonic waves. For characterization of xCuO/CeO2–γAl2O3 samples N2 adsorption results showed that the BET surface area of the CuO/CeO2–γAl2O3, ... Read MoreSynthesis of 1-(isopentyloxy)-4-nitrobenzene under ultrasound assisted liquid-liquid phase-transfer catalysis
Volume 13, Issue 3 , July 2016, , Pages 54-62
Abstract
In this paper, we report the reaction of isoamyl alcohol and 1-chloro-4-nitrobenzene was carried out in a batch reactor under aqueous-organic biphasic conditions using the techniques like phase transfer catalysis and ultrasound irradiation. Tetrabutylammonium bromide (TBAB) was employed as the phase ... Read MoreRemoval of Cerium from Aqueous Solutions by Amino Phosphate Modified Nano TiO2: Kinetic, and Equilibrium Studies
Volume 13, Issue 2 , April 2016, , Pages 3-21
Abstract
Adsorption of Ce(III) from aqueous solution by amino phosphate modified nano TiO2 was investigated. Effects of pH of solution, adsorbent dose, contact time, initial metal concentration and temperature were examined. Experimental data were fitted well by the pseudo second order model. Adsorption was well ... Read MoreUltrasound-Assisted Biodiesel Production in microreactors
Volume 13, Issue 2 , April 2016, , Pages 22-32
Abstract
The ultrasound-assisted (UA) soybean oil methanolysis using KOH as a catalyst was studied at different reaction conditions in a microreactor. Box–Behnken experimental design, with three variables, was performed and the effects of three reaction variables i.e. reaction temperature, catalyst concentration ... Read MoreEffect of electrokinetic on biodegradation of fluorene and phenanthrene in soil
Volume 13, Issue 2 , April 2016, , Pages 71-79
Abstract
Polycyclic aromatic hydrocarbons (PAH) are toxic, mutagenic, and carcinogenic compounds. Removal of these compounds has a great importance for environment. Removal of PAHs from soil is difficult as these chemicals are persistent in the soil. In this research, bioremediation of soil contaminated by (PAH) ... Read MorePhase-transfer catalysis for synthesis of ethyl 2-(4-nitrophenoxy)acetate under sonication- kinetic aspects
Volume 13, Issue 2 , April 2016, , Pages 80-87
Abstract
Ultrasound assisted phase-transfer catalyzed preparation of ethyl 2-(4-nitrophenoxy)acetate from the corresponding p-nitrophenol and ethyl 2-bromoacetate using the mild solid base, anhydrous potassium carbonate, under very mild conditions is reported. The solid-liquid reactions were performed in a batch ... Read MoreLipase Immobilized into Novel GPTMS: TMOS Derived Sol-Gels and Its Application for Biodiesel Production from Waste Oil
Volume 13, Issue 1 , January 2016, , Pages 32-46
Abstract
In this essay, lipase from Burkholderia cepacia was immobilized into 3-glycidoxypropyltrimethoxysilane (GPTMS) and tetramethoxysilane (TMOS) derived sol-gels. GPTMS:TMOS molar ratio of 1:3 was found to yield the best result. The morphological characteristics were investigated based on SEM and BET analysis. ... Read MoreCharacterization and optimization of SAPO-34 catalysts synthesized by mixed templates in MTO reaction
Volume 12, Issue 4 , October 2015, , Pages 4-14
Abstract
"> The effects of templating on the catalytic performance of SAPO-34 catalyst have been investigated in conversion of methanol to olefins. SAPO-34 catalysts were synthesized using a different combination of morphine, tetraethyl ammonium hydroxide (TEAOH) and triethylamine (TEA) as structure-directing ... Read MoreKinetics investigation of cell growth, xanthan production and sugar cane molasses consumption by Xanthomonas campestris
Volume 12, Issue 4 , October 2015, , Pages 84-92
Abstract
In this research, unstructured kinetic modeling for cell growth evaluation by X.campestris, xanthan production and sugar cane molasses consumption in a batch culture were investigated. Logistic model for biomass growth, Luedeking-Piret model for xanthan biopolymer production and modified Luedeking-Piret ... Read MoreCopper Catalysts Supported on CeMnO2 for CO Oxidation in Hydrogen-Rich Gas Streams
Volume 12, Issue 3 , July 2015, , Pages 3-14
Abstract
e"> The CeMnO2 supports were prepared via co-precipitation method by ammonia as precipitating agent. The CuO/CeO2 and CuO/Ce(1-x)MnxO2 (x=0.1, 0.3 and 0.5) catalysts were synthesized by wet impregnation method. The physicochemical properties of the prepared CuO/Ce(1-x)MnxO2 catalysts were characterized ... Read MoreIsothermal Reactor Network Synthesis Using Coupled NonDominated Sorting Genetic Algorithm-II (NSGAII) with Quasi Linear Programming (LP) Method
Volume 12, Issue 3 , July 2015, , Pages 77-95
Abstract
In this study a new and robust procedure is presented to solve synthesis of isothermal reactor networks (RNs) which considers more than one objective function. This method uses non-dominated sorting genetic algorithm II (NSGAII) to produce structural modification coupled with quasi linear programming ... Read MoreCFD Insight of the Flow Dynamics and Velocity Fields in a Gas Turbine Combustor with a Swirl Flame
Volume 12, Issue 2 , April 2015, , Pages 37-49
Abstract
The computational fluid dynamics (CFD) simulations of gas turbine combustor were performed for CH4/air flow with swirl flames. The flow dynamics and velocity fields were numerically studied and the results compared with the experimental data obtained by laser measurements. Two-dimensional (2D) and three-dimensional ... Read MoreCatalytic Pyrolysis of General Purpose PolyStyrene Using Red Mud as a Catalyst
Volume 11, Issue 4 , October 2014, , Pages 10-20
Abstract
Read MoreThe Synthesis of SAPO-34 at Different Crystallization Temperature and its Catalytic Performance for Methanol to Olefins Reaction
Volume 11, Issue 4 , October 2014, , Pages 31-39
Abstract
Read MoreAqueous Quinoline Treatment with Iron/ Copper Activated UV/ Persulfate Process in a Falling Film Photo-Reactor
Volume 11, Issue 4 , October 2014, , Pages 50-63
Abstract
Read MoreEffect of Process Variables on Growth Kinetics of Lactose Particles in a Wet Spray Fluidized Bed Granulator
Volume 11, Issue 4 , October 2014, , Pages 64-75
Abstract
Read MoreInvestigation of Gas Hold-up and Bubble Behavior in a Split-Cylinder Airlift Reactor: Pseudo-Plastic Non-Newtonian Fluids
Volume 11, Issue 3 , July 2014, , Pages 3-15
Abstract
Read MoreEffect of Crystallization Temperature on the Synthesis of SAPO-34 and its Catalytic Performance in MTO Reaction
Volume 11, Issue 3 , July 2014, , Pages 16-25
Abstract
Read MorePerformance Evaluation of Cu-SiO2 Aerogel Catalyst in Methanol Steam Reforming
Volume 11, Issue 3 , July 2014, , Pages 37-44
Abstract
Read MoreAn Egg-Shell Pd-Ag/ α -Al 2 O 3 Catalyst for Tail-End Acetylene Selective Hydrogenation
Volume 11, Issue 1 , January 2014, , Pages 42-54
Abstract
Read MorePreparation of Ultra High Molecular Weight Polyethylene Using Ziegler-Natta Catalyst System: Optimization of Parameters by Response Surface Methodology
Volume 11, Issue 1 , January 2014, , Pages 55-62
Abstract
Read MorePhotocatalytic Decomposition of Epichlorohydrin by TiO 2 /Ag Coated Sintered Glass Filters
Volume 11, Issue 1 , January 2014, , Pages 69-74