Volume 37 (2018)
Volume 36 (2017)
Volume 35 (2016)
Volume 33 (2014)
Volume 32 (2013)
Volume 31 (2012)
Volume 30 (2011)
Volume 29 (2010)
Volume 28 (2009)
Volume 27 (2008)
Volume 26 (2007)
Volume 25 (2006)
Volume 24 (2005)
Volume 23 (2004)
Volume 22 (2003)
Volume 21 (2002)
Volume 20 (2001)
Volume 19 (2000)
Volume 18 (1999)
Volume 17 (1998)
Volume 16 (1997)
Volume 15 (1996)
Volume 14 (1995)
Volume 13 (1994)
Volume 12 (1993)
Volume 11 (1992)
Volume 10 (1991)
Volume 9 (1990)
Volume 8 (1989)
Volume 7 (1988)
Volume 6 (1987)
Chemical Engineering
Synthesis and Characterization of Ru/Al2O3 Nanocatalyst for Ammonia Synthesis

Naghi Saadatjou; Ali Jafari; Saeed Sahebdelfar

Volume 34, Issue 1 , March and April 2015, Page 1-9

  Ru/Al2O3 catalysts were prepared by conventional incipient wetness impregnation as well as colloid deposition of RuCl3 precursor via in situ reduction with ethylene glycol (polyol) method on alumina support. The samples were characterized by TEM, XRD and TPR techniques. The catalytic performance tests ...  Read More

Characterization and Photocatalytic Activity of ZnO, ZnS, ZnO/ZnS, CdO, CdS and CdO/CdS Nanoparticles in Mesoporous SBA-15

Hamid Reza Pouretedal; Sara Basati

Volume 34, Issue 1 , March and April 2015, Page 11-19

  Grinding (solvent-free) method was used as a superior technique to prepare mesoporous photocatalysts of ZnO, ZnS, ZnO / ZnS, CdO, CdS and CdO / CdS-SBA-15. In this technique, the nitrate, acetate and chloride salts of zinc and/or cadmium were grinded with as-synthesized SBA-15 as a mesoporous material. ...  Read More

Chemical Engineering
Application of Response Surface Methodology for Catalytic Hydrogenation of Nitrobenzene to Aniline Using Ruthenium Supported Fullerene Nanocatalyst

Hassan Keypour; Mohammad Noroozi; Alimorad Rashidi; Masoud Shariati Rad

Volume 34, Issue 1 , March and April 2015, Page 21-32

  In this study fullerene functionalized using oleum (H2SO4·SO3), followed by the hydrolysis of the intermediate cyclosulfated fullerene as well as  an oxidizing agent was employed to functionalize the fullerenes. Ruthenium was then added by the impregnation method or deposited on the functionalized ...  Read More

Chemical Engineering
Investigation of Thermodynamic Properties of Heavy Metals from Melting and Critical Point Properties

Leyla Maftoon Azad

Volume 34, Issue 1 , March and April 2015, Page 33-38

  A statistical mechanical based equation of state has been employed to calculate the liquid density of lead, mercury, bismuth and lead-bismuth and lead-lithium eutectic alloys.The equation is basically that of Song, Mason and Ihm [Ihm G, Song Y, Mason EA. J. Chem. Phys.1991; 94: 3839] which is modified ...  Read More

Efficient De-colorization of Methylene Blue by Electro-coagulation Method: Comparison of Iron and Aluminum Electrode

Mostafa Alizadeh; Esmail Ghahramani; Mansur Zarrabi; Sara Hashemi

Volume 34, Issue 1 , March and April 2015, Page 39-47

  In this study, removal of methylene blue by electro-coagulation method using aluminum and iron electrodes was investigated. The influence of the operating parameters such as contact time, current density, anode type, inter-electrodes distance, initial and final pH and energy consumption rate was determined. ...  Read More

Chemical Engineering
Effects of Modified Pyrolysis Tar on Gas Desulphurization Performance

Zhang Lei; Li Chen; Dong Wei-Heng

Volume 34, Issue 1 , March and April 2015, Page 49-56

  The paper introducedeffects of modified pyrolysis tar on flue gas desulfurization. This experiment selected the pyrolysis tar as the raw material, researched the effects on desulfurization performance under different modification solution, concentration, solid liquid ratio of pyrolysis tar and modified ...  Read More

The Study of Ion Adsorption by Amorphous Blast Furnace Slag

Mohammad Reza Nilforoushan; Sasan Otroj; Nasrien Talebian

Volume 34, Issue 1 , March and April 2015, Page 57-64

  In this study, the blast furnace slag was used as absorbing bed and then, its ionic adsorption was studied. For this reason, various experimental parameters such as pH, contact time and the primary ion concentration were investigated. The remaining concentrations of ions such as; Mn2+ and Fe2+ in water ...  Read More

Chemical Engineering
Biosorption of Uranium (VI) from Aqueous Solution by Pretreated Aspergillus niger Using Sodium Hydroxide

Solat Sana; Reza Roostaazad; Soheila Yaghmaei

Volume 34, Issue 1 , March and April 2015, Page 65-74

  The removal of uranium and any other heavy metals from wastewater might be achieved via several chemical or physical treatment techniques. Biosorption process has been considered as a potential alternative way to remove contaminants from industrial effluents. Moreover the surface of biosorbent was characterized ...  Read More

Transport Properties of Refrigerant Mixtures: Thermal Conductivity

Reza Khordad; Bahare Mirhosseini

Volume 34, Issue 1 , March and April 2015, Page 75-85

  In the present work, the integral equations method is used to calculate transport properties of polar fluids. For this goal, we use the Stockmayer potential and examine theoretically the thermal conductivity of several refrigerant mixtures such as R125+R134a, R125+R32, R125+R152a, R134a+R32, R152a+R32, ...  Read More

Chemical Engineering
CFD Investigation of Gravitational Sedimentation Effect on Heat Transfer of a Nano-Ferrofluid

Arezou Jafari; Ali Shahmohammadi; Seyyed Mohammad Mousavi

Volume 34, Issue 1 , March and April 2015, Page 87-96

  In the present attempt, flow behavior and thermal convection of one type of nanofluids in a disc geometry was investigated using Computational Fluid Dynamics (CFD). Influence of gravity induced sedimentation also has been studied. The commercial software, Fluent 6.2, has been employed to solve the governing ...  Read More

Computational Simulation of Ablation Phenomena in Glass-filled Phenolic Composites

Behnaz Aghaaliakbari; Abbas Jafari Jaid; Mir Ali Asghar Zeinali

Volume 34, Issue 1 , March and April 2015, Page 97-106

  A one–dimensional, transient and thermal degradation model for predicting responses of composite materials when are exposed to the fire is presented. The presented model simulates ablation of composites with different layers of materials and considers material properties as functions of temperature. ...  Read More

Chemical Engineering
Optimal Operation of a Three-Product Dividing-Wall Column with Self-Optimizing Control Structure Design

Alireza Arjomand; Mohammad Ali Fanaei

Volume 34, Issue 1 , March and April 2015, Page 107-117

  This paper deals with optimal operation of a three-product Dividing-Wall Column (DWC). The main idea is to design a control structure, through a systematic procedure for plantwide control, with an objective to achieve desired product purities with the minimum use of energy. Exact local method is used ...  Read More