Volume 21 (2024)
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)
Petroleum and Reservoir Engineering
Assessment of Bioavailability of Crude Oil in Three Different Agricultural Soils

P. Shahsavarzadeh-Jangi; S. A. Shojaosadati; S. Hashemi-Najafabadi; S. M. Mousavi

Volume 12, Issue 1 , January 2015, , Pages 3-12

Abstract
  orption ofcontaminants in soil and sequestration in soil particles is a process, the mechanisms of which are not well understood as yet. The aim of this study was to investigate sequestration and bioavailability of crude oil as a contaminant in three different soils. For this purpose, three different ...  Read More

Process Control and Engineering, Process Safety, HSE
Study on the Effect of Humidity on Electrical Properties of Copper-Silica Aerogel

N. Yasrebi; J. Moghaddas

Volume 12, Issue 2 , April 2015, , Pages 3-12

Abstract
  > Copper-silica aerogel was synthesized by the sol-gel method and was heated at 400, 500 and 600°C for 3 h in the air. The gained materials were named as sample (a), (b) and (c) respectively. Then all samples were characterized by FE-SEM, EDX and FTIR spectroscopy. For resistance measurements ...  Read More

Reaction Engineering, Kinetics and Catalysts,
Copper Catalysts Supported on CeMnO2 for CO Oxidation in Hydrogen-Rich Gas Streams

N. Hoshyar; A. Irankhah Irankhah; M. Jafari

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 More

Petroleum and Reservoir Engineering
Investigation of Asphaltene Stability in the Iranian Crude Oils
Volume 5, Issue 1 , January 2008, , Pages 3-12

Abstract
  The influence of different factors on the asphaltene stability in three iranian crude oils was evaluated. Compositional studies and structural characterization of resins and asphaltenes were carried out in order to study a possible relationship between these properties and asphaltene deposition behavior. ...  Read More

Modeling and Simulation
Multidimensional Dynamic Modeling of Milk Ultrafiltration Using Neuro-Fuzzy Method and a Hybrid Physical Model
Volume 5, Issue 2 , April 2008, , Pages 3-22

Abstract
  Prediction of the dynamic crossflow ultrafiltration rate of a protein solution such as milk poses a complex non-linear problem as the filtration rate has a strong dependence on both the solution physicochemical conditions and the operating conditions. As a result, the development of general physics-based ...  Read More

Transport Phenomena,
A Simple One-Dimensional Model for Investigation of Heat and Mass Transfer Effects on Removal Efficiency of Particulate Matters in a Venturi Scrubber
Volume 6, Issue 4 , October 2009, , Pages 3-14

Abstract
  In the present study a mathematical model is developed in order to examine the effects of heat and mass transfers on removal efficiency of particulate matters in venturi type scrubbers. The governing equations including the variations of the particulate concentration, gas temperature, droplet temperature, ...  Read More

Modeling and Simulation
Determination of the Equilibrium Parameters of Gaseous Detonations Using a Genetic Algorithm
Volume 5, Issue 3 , July 2008, , Pages 3-13

Abstract
  The present work is concerned with the development of a new algorithm for determination of the equilibrium composition of gaseous detonations. The elements balance equations, and the second law of thermodynamics (i.e., the minimization of the Gibbs free energy of products), are used to determine the ...  Read More

Petroleum and Reservoir Engineering
Simulation of Water Coning in Oil Reservoirs Using a Corrected IMPES Method
Volume 5, Issue 4 , October 2008, , Pages 3-11

Abstract
  Implicit pressure-explicit saturation method (IMPES) is widely used in oil reservoir simulation to study the multiphase flow in porous media. This method has no complexity compared to the fully implicit method, although both of them are based on the finite difference technique. Water coning is one the ...  Read More

Reaction Engineering, Kinetics and Catalysts,
Studies on Main Properties of Ternary Blended Cement with Limestone Powder and Microsilica
Volume 4, Issue 1 , January 2007, , Pages 3-13

Abstract
  The ternary system of Portland cement-microsilica-limestone has been studied by investigating its set and strength behaviours. A number of different cementitious systems comprised of 0, 10, 15, 20, 25, and 30% limestone powder and 0, 4, 6, 8, 10, 12, 14, and 16% microsilica were designed and prepared. ...  Read More

Modeling and Simulation
Asymptotic Analysis of Binary Gas Mixture Separation by Nanometric Tubular Ceramic Membranes: Cocurrent and Countercurrent Flow Patterns
Volume 3, Issue 3 , July 2006, , Pages 3-16

Abstract
  Analytical gas-permeation models for predicting the separation process across  membranes (exit compositions and area requirement) constitutes an important and necessary step in understanding the overall performance of  membrane modules. But, the exact (numerical) solution methods suffer from ...  Read More

Transport Phenomena,
Experimental study of the shape and motion of flattened drops in a Hele-Shaw Cell
Volume 3, Issue 4 , October 2006, , Pages 3-16

Abstract
  > The motion and shape of a flattened drop and bubble through another continuous liquid phase (conveying phase) are investigated experimentally, using a narrow gap HeleShaw cell. Seven different liquid-liquid systems were tested. In all cases the continuous phase was the more viscous wetting phase. ...  Read More

Separation Technology,
Experimental Comparison of Two Modifications of Activated Sludge for Treatment of Furfural-Containing Wastewater
Volume 2, Issue 1 , January 2005, , Pages 3-9

Abstract
   A case study is presented in which two modifications of activated sludge treatment of complex chemical wastewater are experimentally compared: a combination of common activated sludge with powdered activated carbon treatment (PACT), and bioaugmentation of activated sludge treatment (BAST). Industrial ...  Read More

Modeling and Simulation
Reactor Modeling of a Non-Catalytic OCM Process
Volume 2, Issue 2 , April 2005, , Pages 3-14

Abstract
  ge-newline"> One method for conversion of methane to more valuable products is by non-catalytic gas-phase oxidative coupling of methane (OCM), through which methane is converted into ethylene. The product of this process is ethylene, accompanied by acetylene, ethane, a small quantity of three carbon ...  Read More

Reaction Engineering, Kinetics and Catalysts,
Treatment of Tehran Refinery Effluents in UASB Reactors
Volume 1, Issue 2 , July 2004, , Pages 3-10

Abstract
  This paper presents the results of an investigation into the treatment of Tehran Refinery effluents in UASB reactors. Four pilot-scale UASB reactors were built with similar dimensions, each with a volume of 45.78 1, and operated in parallel at 37 °C. The sludge seed was prepared from the waste activated ...  Read More

Reaction Engineering, Kinetics and Catalysts,
Enhancement of Hydrogen and Methanol Production using a Double Fluidized-bed Two Membranes Reactor

Mahdi Bayat; M.R. Rahimpour

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 More

Petroleum and Reservoir Engineering
An optimization study by response surface methodology (RSM) on viscosity reduction of residue fuel oil exposed ultrasonic waves and solvent injection

A. Mohammadi Doust; M. Rahimi; M. Feyzi

Volume 13, Issue 1 , January 2016, , Pages 3-19

Abstract
  In this study, response surface methodology (RSM) based on central composite design (CCD) was applied for investigation of the effects of ultrasonic waves, temperature and solvent concentration on viscosity reduction of residue fuel oil (RFO). Ultrasonic irradiation was employed at low frequency of 24 ...  Read More

Reaction Engineering, Kinetics and Catalysts,
Removal of Cerium from Aqueous Solutions by Amino Phosphate Modified Nano TiO2: Kinetic, and Equilibrium Studies

Z. Shojaei; E. Iravani; M.A. Moosavian; M. Torab-Mostaedi

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 More

Polymer Engineering and Technology,
Production and Characterization of Gelatine Based Electro-spun Nano-fibres as Burn Wound Dressings

Y. Hamedani; N. Fazeli; J. Barzin

Volume 14, Issue 1 , March 2017, , Pages 3-14

Abstract
  Silver sulfadiazine is used to prevent and treat infections of second- and third-degree burns. It kills a wide variety of bacteria. In this study silver sulfadiazine was used in gelatin based electro-spun nano-fibers with various drug to polymer ratios (0, 5, 10, 15 and 20 %). SEM, EDX and FTIR analysis ...  Read More

Transport Phenomena,
Transient thermal study of recuperative tube in tube heat exchanger operating in refrigeration system using experimental test and mathematical simulation

A. Saberimoghaddam; M. M Bahri Rasht Abadi

Volume 14, Issue 3 , August 2017, , Pages 3-18

Abstract
  Joule-Thomson cooling systems are used in refrigeration and liquefaction processes. There are extensive studies on Joule-Thomson cryogenic systems, but most of them coverage steady state conditions or lack from experimental data. In the present work, transient thermal behavior of Joule-Thomson cooling ...  Read More