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)
Separation Technology,
Reverse osmosis desalination using thin film composite polysulfone-zinc oxide mixed matrix membrane

Moslem Zamani; Seyed Rohoollah Taghizadeh; Ahmad Reza Zahedipoor; Masoud Rahbari-sisakht

Volume 20, Issue 1 , March 2023


  Polysulfone-zinc oxide mixed matrix membrane (MMM) was fabricated. A polyamide layer was formed on the top surface of the membranes using interfacial polymerization process. The properties and structure of the membranes were investigated and the membranes were used for desalination in reverse osmosis ...  Read More

Separation Technology,
A review on the effects of fillers on gas separation Mixed Matrix Membranes

Hossein Aasadi; Omid Alizadeh; Ali Ramazani; Fatereh Dorosti

Volume 19, Issue 3 , September 2022


  The Mixed Matrix Membrane (MMM) concept consists of incorporating suitable polymers with inorganic or organic fillers. The majority of polymeric membranes maintain a trade-off between permeation and selectivity, which restricts their development in separation applications. In this paper, less reviewed ...  Read More

Separation Technology,
Fabrication and Characterization of Polysulfone-Graphene Oxide Mixed Matrix Membranes for the Natural Gas Treatment

R. Bakhshi; M. Moraveji; A. Parvareh

Volume 19, Issue 2 , June 2022, , Pages 21-37


  The polysulfone mixed matrix membranes (MMM) with different concentrations of graphene oxide (0, 0.25, 0.5 wt % of the polymer) are fabricated by a phase separation method. The cross-sectional structures and their upper surface were assessed by the (SEM) surface roughness of the membranes assessed by ...  Read More

Separation Technology,
CFD Modeling and Industrial Evaluation of a Cyclone Cascade for the Production of the HDPE Catalyst

Saeed Ovaysi

Volume 18, Issue 3 , September 2021, , Pages 74-85


  A new approach is proposed to evaluate various designs for gas-solid cyclone separators. This approach uses single-phase flow simulation results to find a quantitative measure of flow symmetry in a given cyclone. Flow symmetry is computed by averaging imbalances of   non-axial velocities ...  Read More

Separation Technology,
Flocculation Behavior of Ultrafine Quartz and Magnetite as the Main Mineral Components of Iron Ore Tailings

S. Ghasemi; A. Behnamfard; R. Arjmand

Volume 18, Issue 2 , May 2021, , Pages 3-18


  The thickening of the iron ore tailings allows process water to be partially recovered and recirculated, also it reduces the fresh water consumption, which results in lower operating costs and less environmental impacts. The settling characteristics of the mineral components of an iron ore tailing in ...  Read More

Separation Technology,
Optimization and Comparison of Ni and Cd Removal Using Zinc Powder with the Response Surface Methodology

P. Abbasi; k. Shayesteh; v. vahidfard; M. Hosseini

Volume 17, Issue 4 , October 2020, , Pages 3-20


   In an Iranian zinc smelter plant, nickel and cadmium are removed from the electrolyte solution at the cold purification stage with the help of zinc powder. This study tries to investigate the optimal conditions for the removal of these impurities through the response surface methodology by examining ...  Read More

Separation Technology,
Biofouling Behavior on Forward Osmosis Using Vertically Aligned CNT Membrane on Alumina

M.R Omidkhah; H. Azami; L. Ghaheri

Volume 16, Issue 2 , June 2019, , Pages 1-13

  Nowadays, forward osmosis (FO) with many advantages in water treatment, are so attractive for researchers and investigators that the studies are going to optimize and increase its efficiency. However one of the most controversial operating malfunctions of FO process is fouling that limits the FO global ...  Read More

Separation Technology,
Interior Modification of Nano-Porous Fillers to Fabricate High Performance Mixed Matrix Membranes

H. Sanaeepur; A. Ebadi Amooghin; A. Kargari; Mohammadreza Omidkhah; A. Fauzi Ismail; S. Ramakrishna

Volume 16, Issue 2 , June 2019, , Pages 70-94

  A new method is developed to enhance the gas separation properties of mixed matrix membranes (MMMs) by interior modification of an inorganic nano-porous particle. Ship-in-a-bottle (SIB), as a novel synthesis strategy, is considered to encapsulate a polyaza macrocyclic Ag-ligand complex into the zeolite ...  Read More

Modeling and Simulation
Comparison the performance of different reverse osmosis membrane modules by CFD modeling

M. Bahoosh; E. Kashi; S. Shokrollahzadeh; Kh. Rostami

Volume 16, Issue 1 , March 2019, , Pages 101-116

  Reverse osmosis is a commonly used process in water desalination. Due to the scarcity of freshwater resources and wastewater problems, a lot of theory and experimental studies have been conducted to optimize this process. In the present study, the performance of reverse osmosis membrane module of salt–water ...  Read More

Separation Technology,
Removal of Pb (II) From Wastewater Using Henna; Optimization of Operational Conditions

M. Shafiee; A. Akbari; B. Ghiassimehr

Volume 15, Issue 4 , November 2018, , Pages 17-26

  At this work, removal of Pb (II) using Lawsonia inermis (Henna) was studied. In recent years, use of low price adsorbent is taken into consideration. Adsorption experiments were performed in batch system at ambient temperature (25℃). The influence of some parameters such as time, initial metal concentration, ...  Read More

Separation Technology,
Optimization of solvothermally synthesized ZIF-67 metal organic framework and its application for Cr(VI) adsorption from aqueous solution

N. Mostafazadeh; A.A. Ghoreyshi; K. Pirzadeh

Volume 15, Issue 4 , November 2018, , Pages 27-47

  In this study, ZIF-67 was synthesized through solvothermal method to remove Cr(VI) ions from aqueous solution. To improve the structural properties of ZIF-67 and its adsorption capacity, optimization of the synthesis conditions was carried out based on maximum Cr(VI) uptake. From experiments, the optimum ...  Read More

Separation Technology,
Propionic acid extraction in a microfluidic system: simultaneous effects of channel diameter and fluid flow rate on the flow regime and mass transfer

F. Hosseini; M. Rahimi; O. jafari

Volume 15, Issue 4 , November 2018, , Pages 48-62

  In this work, extraction of propionic acid from the aqueous phase to the organic phase (1-octanol) was performed in T-junction microchannels and effects of channel diameter and fluid flow rate on the mass transfer characteristics were investigated. The two-phase flow patterns in studied microchannels ...  Read More

Separation Technology,
Evaluation of Cr (VI) ion removal from aqueous solution by bio-inspired chitosan-clay composite: Kinetics and isotherms

Sh. Biswas; Md. M. Islam; M. M. Hasan; S.H. Rimu; M. N. Khan; P. Haque; M. M. Rahman

Volume 15, Issue 4 , November 2018, , Pages 63-80

  This paper reports the evaluation of adsorbing Cr (VI) ions on sorbent prepared from chitosan (CHT), a versatile derivative of chitin, and dodecyl amine modified locally available kaolinite clay (Bijoypur clay) (MC) that has excellent mechanical properties and great resistance to chemical and biological ...  Read More

Separation Technology,
Design and Fabrication of an Improved Single-Column Chromatographic Separation Process

B. Medi; M.-K. Kazi

Volume 15, Issue 4 , November 2018, , Pages 81-92

  In this work, an improved single-column chromatographic (ISCC) separation process is proposed. The term `improved' refers to both conceptual and physical modifications compared to the available single-column processes, including a novel fraction collection scheme and allowing overlapped peaks from adjacent ...  Read More

Separation Technology,
Microfluidic extraction of tannic acid from Quercus leaves

M. Yasemi; M. Rahimi; A. Heydarinasab; M. Ardjmand

Volume 15, Issue 3 , September 2018, , Pages 15-33

  In this study, extraction of tannic acid using microchannel was investigated. Affective parameters were optimized. Different solvents including buthanol, ethylacetate and n-hexane as organic phase, methanol, propanol, ethanol and water as aqueous phase investigated. Microchannels with different confluence ...  Read More

Separation Technology,
Extraction of pectin from sour orange and its application as the adsorbent for removal of nickel from aqueous solution: Kinetic and equilibrium study

N. Kakoui; M. Nikzad; A. A. Ghoreyshi; M. mohammadi

Volume 15, Issue 2 , May 2018, , Pages 3-21

  The present study investigates the potential applicability of the extracted pectin from sour orange pomace as adsorbent for Ni (II) removal from aqueous solution. Pectin extraction from the pomace was carried out using HCl and the highest pectin extraction yield of 26.75% was obtained. The Fourier transform ...  Read More

Separation Technology,
Fabrication of Chitosan-Polyethylene Oxide Electrospun Nanofibrous Mats Containing Green Tea Extract

A. Barzegari; Z. Shariatinia

Volume 15, Issue 2 , May 2018, , Pages 65-77

  Novel electrospun nanofibrous CS-PEO nerve conduits containing 0, 2.5 and 5% of green tea methanolic extract were developed and characterized by FE-SEM, FT-IR, TGA/DSC as well as tensile strength analysis. The FE-SEM images revealed that all of the nanofibers had an average diameter of ∼80nm. The ...  Read More

Biomedical and Biotechnology,
Assessment of effective factors on bacterial oxidation of ferrous iron by focusing on sweetening natural gas

A. Zabihollahpoor; P. Hejazi

Volume 15, Issue 1 , February 2018, , Pages 18-34

  In this study, the effects of some factors on bacterial growth and ferrous oxidation rates were investigated by Acidithiobacillus ferrooxidan in 250 ml shake flasks. One factor at a time (OFAT) design approach was used for preliminary evaluation of various factors affecting the process, such as pH, initial ...  Read More

Separation Technology,

N.A. Kostic; M.M. Milosavljevic; L.S. Pecic; S.Z. Babic; B.L. Milosavljevic; D.L. Milosevic; S.S. Krstic; B.V. Krstić

Volume 15, Issue 1 , February 2018, , Pages 73-88

  This paper describes a laboratory method for treatment of used engine oil FENIX SUPERIOR SAE 15W-40 with intention to decrease of sulfur and selected metal content at acceptable level. FENIX SUPERIOR SAE 15W-40, produced by manufacturer Joint Stock Company FAM Krusevac, is used for lubrication of the ...  Read More

Separation Technology,
Design and construction of a helium purification system using cryogenic adsorption process

A. Saberimoghaddam; V. Khebri

Volume 15, Issue 1 , February 2018, , Pages 89-101

  One of the most appropriate methods for elimination of trace impurities in helium is cryogenic adsorption process. So, in this study design and construction of cryogenic adsorption helium purification system (3 Nm3.hr-1, 80 bar) carried out using activated carbon as adsorbent at 77K. To evaluation of ...  Read More

Separation Technology,
Waste water ammonia stripping intensification using microfluidic system

Mo. H. Almasvandi; M. Rahimi

Volume 14, Issue 4 , December 2017, , Pages 17-31

  This paper reports the results of experimentally removing ammonia from synthetically prepared ammonia solution using a micro scale mixing loop air stripper. Effects of various operational parameters (such as: pH, air flow rate, wastewater flow rate and initial ammonia concentration) were evaluated. By ...  Read More

Application of Turbo-Expander for Greenhouse Gas and Air Pollutant Emissions Reduction Using Exergy and Economical Analysis

E. GhasemiKafrudi; M. Amini; M. R. Habibi

Volume 14, Issue 4 , December 2017, , Pages 32-47

  The effects of greenhouse gases (GHG) on the growth of global warming, and increase of GHG and air pollutant emissions for energy production have forced the need of energy recovery which is normally wasted in industrial plant. The present research work focused on the GHG and air pollutant emissions reduction ...  Read More

Modeling and Simulation
Mathematical simulation of thermal behavior of moving bed reactors

L. Mahmoodi; B. Vaferi; M. Kayani

Volume 14, Issue 4 , December 2017, , Pages 48-58

  Temperature distribution is a key function for analyzing and optimizing the thermal behavior of various process equipments. Moving bed reactor (MBR) is one of the high-tech process equipment which tries to improve the process performance and its energy consumption by fluidizing solid particles in a base ...  Read More

Separation Technology,
Improvement of gas separation properties of polyurethane membrane using plasma grafting

P. Azadi; Sh. Hassanajili

Volume 14, Issue 3 , August 2017, , Pages 19-30

  In recent years, plasma treatments have given good results since they offer high technological efficiency with low waste generation. One of the most important characteristics of plasma methods is their action only on a thin surface layer, whereas the bulk of sample remains unchanged and the modified ...  Read More

Separation Technology,
Adsorption and Desorption Process of Chromium Ions Using Magnetic Iron Oxide Nanoparticles and Its Relevant Mechanism

M. Jadidi; N. Etesami; M. Nasr Esfahany

Volume 14, Issue 3 , August 2017, , Pages 31-40

  In this study adsorption of Cr(VI) from aqueous solution by Fe3O4 nanoparticles was investigated. Desorption process and recovery of nanoparticles using different solutions were then carried out, and it was observed that NaOH (0.5M) can remove 90% of adsorbed chromium ions. Following the completion of ...  Read More