INFLUENCE OF THE CONCENTRATION, PH, TEMPERATURE AND PRESSURE PARAMETERS ON ARSENIC REMOVAL FROM DRINKING WATER VIA REVERSE OSMOSIS PROCESS

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MOKHTARI S.A.; GHOLAMI M.; SHAKERKHATIBI M.; MIRHOSSEINI S.H.

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Paper Information

Journal: JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS) Year:2010 | Volume:10 | Issue:3 (37) Page(s): 261-269

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Title

INFLUENCE OF THE CONCENTRATION, PH, TEMPERATURE AND PRESSURE PARAMETERS ON ARSENIC REMOVAL FROM DRINKING WATER VIA REVERSE OSMOSIS PROCESS

Author(s)

MOKHTARI S.A. | GHOLAMI M. | SHAKERKHATIBI M. | MIRHOSSEINI S.H. | Issue Writer Certificate

Keywords

ARSENICQ2

DRINKING WATERQ2

REVERSE OSMOSIS PROCESSQ3

Abstract

Background & Objectives: ARSENIC is the third element of 5th Group of the periodic table and it is the twentieth rarest element in the earth's crust. This material has application in agriculture, livestock, medicine, electronics and metallurgy. It enters the environment from natural phenomena and human activities, causing pollution in it. ARSENIC is a substance that is poisonous, cumulative, and an inhibitor of SH group enzymes. Several studies have identified significant correlation between high levels of ARSENIC in DRINKING WATER and cancer in liver, nasal cavity, lungs, skin, bladder and kidney in men and women, and prostate in men. The present study was aimed to determin the impact of parameters affecting reverse osmosis membrane performance in ARSENIC removal from DRINKING WATER.Methods: In this research, ARSENIC removal was surveyed and tested through reverse osmosis membrane with spiral-wound module (model: 2521 TE, made in CSM Co. Korea). The used solution was prepared synthetically in the laboratory using sodium arsenate, and system performance was investigated under the influence of parameters such as ARSENIC concentration, pressure, pH and temperature of the input solution. In each case, the flux rate passing through the membrane and transverse velocity was measured. For each mode, after 30 minutes, desired samples were picked up, and then were tested with silver diethyldithiocarbamate method (Test No. 3500-As B, standard method).Results: The results of experiments and measurements showed that the parameters of concentration, pH, temperature and pressure in input solution are effective in reverse osmosis membrane performance (model TE 2521), and the increase or decrease in each parameter leads to changes in the system’s efficiency and performance. The optimal conditions and performance of membrane under the influence of these parameters were defined as follows: pressure 190-210 psi, concentration 0.2-0.5 mg/L, temperature 25-30oC, and pH=6-8. ARSENIC removal efficiency at the optimum system performance was determined at about 99-95 percent.Conclusion: According to the results and the high efficiency and acceptable performance, this approach is effective and can be applied as a method for ARSENIC removal in areas with contaminated water.

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APA: Copy

MOKHTARI, S.A., GHOLAMI, M., SHAKERKHATIBI, M., & MIRHOSSEINI, S.H.. (2010). INFLUENCE OF THE CONCENTRATION, PH, TEMPERATURE AND PRESSURE PARAMETERS ON ARSENIC REMOVAL FROM DRINKING WATER VIA REVERSE OSMOSIS PROCESS. JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS), 10(3 (37)), 261-269. SID. https://sid.ir/paper/60017/en

Vancouver: Copy

MOKHTARI S.A., GHOLAMI M., SHAKERKHATIBI M., MIRHOSSEINI S.H.. INFLUENCE OF THE CONCENTRATION, PH, TEMPERATURE AND PRESSURE PARAMETERS ON ARSENIC REMOVAL FROM DRINKING WATER VIA REVERSE OSMOSIS PROCESS. JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS)[Internet]. 2010;10(3 (37)):261-269. Available from: https://sid.ir/paper/60017/en

IEEE: Copy

S.A. MOKHTARI, M. GHOLAMI, M. SHAKERKHATIBI, and S.H. MIRHOSSEINI, “INFLUENCE OF THE CONCENTRATION, PH, TEMPERATURE AND PRESSURE PARAMETERS ON ARSENIC REMOVAL FROM DRINKING WATER VIA REVERSE OSMOSIS PROCESS,” JOURNAL OF ARDABIL UNIVERSITY OF MEDICAL SCIENCES (JAUMS), vol. 10, no. 3 (37), pp. 261–269, 2010, [Online]. Available: https://sid.ir/paper/60017/en

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