Research Papers by Toraj Mohammadi

1 - 8 of 8 results

Effect of production conditions on morphology and permeability of asymmetric cellulose acetate membranes Membranes are widely used in wastewater treatment. In this study, cellulose acetate (CA) (Mw = 52,000) was mixed with polyethylene glycol (PEG) (Mw = 400) as an additive in N-methyl-2-pyrrolidone as a solvent. The phase inversion method was used for preparation of flat sheet membranes. Effects of CA Desalination 243 (2009)
CFD modeling of porous membranes Membrane filtration has become firmly established as a primary technology for ensuring the purity, safety and efficiency of treatment of water or effluents. Water desalination is one of the major applications of this technology around the world. Several researches have been performed to develop and Desalination 222 (2008)
Sea water desalination using electrodialysis Most widely applied and commercially proven desalination technologies fall into two categories of thermal (evaporative) and membrane based methods. Membrane methods are less energy intensive than thermal methods and since energy consumption directly affects the cost-effectiveness and feasibility of Desalination 221 (2008)
Effect of permeate pressure on pervaporation of methyl tert-butyl ether/methanol mixtures Permeate pressure (mbar) Fig. 2. Effect of permeate pressure on PSI: (30 wt.% methanol; 35°C). Desalination 200 (2006)
Untitled With the aid of atomic absorption, a systematical and analytical evaluation method called Taguchi’s quality engineering has been applied for the separation of copper ions from a solution using a laboratory electrodialysis set-up to evaluate the optimal experimental conditions and hence to achieve th Desalination 169 (2004)
Wastewater treatment using ultrafiltration at a vegetable oil factory An investigation of wastewater treatment by ultrafiltration (UF) is introduced. In the experiments a UF membrane (UFPHT20-6338) and samples of Behshahr Ind. Co. wastewater as feed were used. The effect of operating conditions such as pressure difference, cross flow velocity, shear stress, temperatur Desalination 166 (2004)
Effect of operating conditions on microfiltration of an oil–water emulsion by a kaolin membrane The main problem in treating oil in water emulsions by membrane technologies is fouling caused by oil adsorption on the membrane surface. Among these technologies, microfiltration has been used in many fields of oil–water emulsions. The effect of operating conditions on a microfilter (home made) wit Desalination 168 (2004)
Chemical cleaning of a polyamide membrane In this paper the results obtained from investigations on a polyamide reverse osmosis membrane fouled by precipitation of materials which exist in water are presented. In these studies, the effect of different cleaning agents on recovery of the fouled membrane has been shown. Results show that a com Desalination 139 (2001)

Effect of production conditions on morphology and permeability of asymmetric cellulose acetate membranes

Membranes are widely used in wastewater treatment. In this study, cellulose acetate (CA) (Mw = 52,000) was mixed with polyethylene glycol (PEG) (Mw = 400) as an additive in N-methyl-2-pyrrolidone as a solvent. The phase inversion method was used for preparation of flat sheet membranes. Effects of CA

Desalination 243 (2009)

CFD modeling of porous membranes

Membrane filtration has become firmly established as a primary technology for ensuring the purity, safety and efficiency of treatment of water or effluents. Water desalination is one of the major applications of this technology around the world. Several researches have been performed to develop and

Desalination 222 (2008)

Sea water desalination using electrodialysis

Most widely applied and commercially proven desalination technologies fall into two categories of thermal (evaporative) and membrane based methods. Membrane methods are less energy intensive than thermal methods and since energy consumption directly affects the cost-effectiveness and feasibility of

Desalination 221 (2008)

Effect of permeate pressure on pervaporation of methyl tert-butyl ether/methanol mixtures

Permeate pressure (mbar) Fig. 2. Effect of permeate pressure on PSI: (30 wt.% methanol; 35°C).

Desalination 200 (2006)

Untitled

With the aid of atomic absorption, a systematical and analytical evaluation method called Taguchi’s quality engineering has been applied for the separation of copper ions from a solution using a laboratory electrodialysis set-up to evaluate the optimal experimental conditions and hence to achieve th

Desalination 169 (2004)

Wastewater treatment using ultrafiltration at a vegetable oil factory

An investigation of wastewater treatment by ultrafiltration (UF) is introduced. In the experiments a UF membrane (UFPHT20-6338) and samples of Behshahr Ind. Co. wastewater as feed were used. The effect of operating conditions such as pressure difference, cross flow velocity, shear stress, temperatur

Desalination 166 (2004)

Effect of operating conditions on microfiltration of an oil–water emulsion by a kaolin membrane

The main problem in treating oil in water emulsions by membrane technologies is fouling caused by oil adsorption on the membrane surface. Among these technologies, microfiltration has been used in many fields of oil–water emulsions. The effect of operating conditions on a microfilter (home made) wit

Desalination 168 (2004)

Chemical cleaning of a polyamide membrane

In this paper the results obtained from investigations on a polyamide reverse osmosis membrane fouled by precipitation of materials which exist in water are presented. In these studies, the effect of different cleaning agents on recovery of the fouled membrane has been shown. Results show that a com

Desalination 139 (2001)

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