CLEANING OF RO MEMBERANES

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MOHAMMADI T.; KAZEMI MOGHADAM M.; MADAENI S.S.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH) Year:2003 | Volume:14 | Issue:4 Page(s): 175-180

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Information Journal Paper

Title

CLEANING OF RO MEMBERANES

Author(s)

MOHAMMADI T. | KAZEMI MOGHADAM M. | MADAENI S.S. | Issue Writer Certificate

Keywords

MEMBRANE

FOULING

CHEMICAL CLEANING

REVERSE OSMOSIS

RESISTANCE REMOVAL

FLUX RECOVERY

Abstract

In this paper, results obtained from investigations on a typical REVERSE OSMOSIS (RO) MEMBRANE fouled by precipitation of materials which exist in water are presented. In these studies, effect of different cleaning agents on recovery of the fouled MEMBRANE has been shown. Results show that a combination of sodium dodecyl sulfate, Na-EDTA and sodium hydroxide must be used as a cleaning material to reach the optimum recovery of the polyamide MEMBRANE employed in petrochemical industries. It was found that cleaning efficiency depends on type of the cleaning agent and its concentration. It has been shown that the efficiency increases with increasing the concentration of cleaning agent and reaches to a maximum value. The concentration that provides the highest cleaning efficiency can be considered as the optimum concentration. This depends on the type of cleaning agent. Operating conditions such as cross flow velocity, turbulence in the vicinity of the MEMBRANE surface, temperature, pH and cleaning time also play an important role in the cleaning processes. MEMBRANE cleaning requires deep understanding of the interactions between the foulants and the MEMBRANE as well as the effect of the cleaning procedure on deposit removal. In this paper the mechanism of deposit removal is also investigated.

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APA: Copy

MOHAMMADI, T., KAZEMI MOGHADAM, M., & MADAENI, S.S.. (2003). CLEANING OF RO MEMBERANES. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), 14(4), 175-180. SID. https://sid.ir/paper/528678/en

Vancouver: Copy

MOHAMMADI T., KAZEMI MOGHADAM M., MADAENI S.S.. CLEANING OF RO MEMBERANES. INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH)[Internet]. 2003;14(4):175-180. Available from: https://sid.ir/paper/528678/en

IEEE: Copy

T. MOHAMMADI, M. KAZEMI MOGHADAM, and S.S. MADAENI, “CLEANING OF RO MEMBERANES,” INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE (ENGLISH), vol. 14, no. 4, pp. 175–180, 2003, [Online]. Available: https://sid.ir/paper/528678/en

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