RU96112810A - METHOD FOR CLEANING MEMBRANES WITH SELECTIVE PERMEABILITY - Google Patents

METHOD FOR CLEANING MEMBRANES WITH SELECTIVE PERMEABILITY

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Publication number
RU96112810A
RU96112810A RU96112810/25A RU96112810A RU96112810A RU 96112810 A RU96112810 A RU 96112810A RU 96112810/25 A RU96112810/25 A RU 96112810/25A RU 96112810 A RU96112810 A RU 96112810A RU 96112810 A RU96112810 A RU 96112810A
Authority
RU
Russia
Prior art keywords
selective permeability
water
cleaning membranes
washing
solution
Prior art date
Application number
RU96112810/25A
Other languages
Russian (ru)
Other versions
RU2119379C1 (en
Inventor
Л.Ф. Кардашина
О.М. Розенталь
Original Assignee
Научно-производственная фирма "ЛИКО"
Filing date
Publication date
Application filed by Научно-производственная фирма "ЛИКО" filed Critical Научно-производственная фирма "ЛИКО"
Priority to RU96112810A priority Critical patent/RU2119379C1/en
Priority claimed from RU96112810A external-priority patent/RU2119379C1/en
Application granted granted Critical
Publication of RU2119379C1 publication Critical patent/RU2119379C1/en
Publication of RU96112810A publication Critical patent/RU96112810A/en

Links

Claims (1)

Способ очистки мембран с селективной проницаемостью, заключающийся в последовательном промывании рабочей стороны мембраны водно-солевым раствором, обессоленной водой и моющим раствором хелатного или комплексообразующего агента, отличающийся тем, что в водно-солевой раствор вводят гидротропные вещества (например соли сульфокислот общей формулы RC6H4SO3M, где R - алкил C1 - C3, M - K, Na, NH4) в количестве 0,1 - 0,4 моль/л, а pH моющего раствора корректируют щелочной добавкой (например, гидроксидом аммония) до 6 - 8.A method of cleaning membranes with selective permeability, which consists in sequentially washing the working side of the membrane with a water-salt solution, desalted water and a washing solution of a chelate or complexing agent, characterized in that hydrotropic substances are introduced into the water-salt solution (for example, sulfonic acid salts of the general formula RC 6 H 4 SO 3 M, where R is alkyl C 1 - C 3 , M - K, Na, NH 4 ) in an amount of 0.1 - 0.4 mol / l, and the pH of the washing solution is adjusted with an alkaline additive (for example, ammonium hydroxide) up to 6 - 8.
RU96112810A 1996-06-25 1996-06-25 Method of cleaning membranes with selective permeability RU2119379C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96112810A RU2119379C1 (en) 1996-06-25 1996-06-25 Method of cleaning membranes with selective permeability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96112810A RU2119379C1 (en) 1996-06-25 1996-06-25 Method of cleaning membranes with selective permeability

Publications (2)

Publication Number Publication Date
RU2119379C1 RU2119379C1 (en) 1998-09-27
RU96112810A true RU96112810A (en) 1998-11-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96112810A RU2119379C1 (en) 1996-06-25 1996-06-25 Method of cleaning membranes with selective permeability

Country Status (1)

Country Link
RU (1) RU2119379C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112013020476B1 (en) 2011-02-18 2018-12-18 Toray Industries, Inc. method to produce a sugar liquid

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