JPS5515631A - Membrane separator - Google Patents

Membrane separator

Info

Publication number
JPS5515631A
JPS5515631A JP8797778A JP8797778A JPS5515631A JP S5515631 A JPS5515631 A JP S5515631A JP 8797778 A JP8797778 A JP 8797778A JP 8797778 A JP8797778 A JP 8797778A JP S5515631 A JPS5515631 A JP S5515631A
Authority
JP
Japan
Prior art keywords
piston
raw liquid
separator
cylinder
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8797778A
Other languages
Japanese (ja)
Inventor
Shusaku Tamaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Original Assignee
Nitto Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Electric Industrial Co Ltd filed Critical Nitto Electric Industrial Co Ltd
Priority to JP8797778A priority Critical patent/JPS5515631A/en
Publication of JPS5515631A publication Critical patent/JPS5515631A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
    • B01D2321/20—By influencing the flow
    • B01D2321/2066—Pulsated flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination
    • Y02A20/131—Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

PURPOSE:The membrane separator which is provided with a device of repeating suction and discharge in the pipeline between the raw liquid feed port and liquid feed pump of the module, is low in running cost of cleaning and is capable of performing cleaning operation during the operation of the permeation separator. CONSTITUTION:When cleaning becomes necessary upon contaminating of membranes and reducing of permeating water during operation of the membrane separator, a piston device 7 is operated without stopping the operation of the entire part of the separator. When a piston 11 reciprocates rapidly in the cylinder 12 at the time of flowing of raw liquid to the arrow direction in a piping 15, suction and discharge of raw liquid are repeated. More specifically, the rate of supply decreases by the suction volume of the cylinder at the descending of the piston and conversely the rate of supply increases by the volume discharged from the cylinder at the ascending of the piston and therefore the velocity of flow of the inlet of the module 1 repeats increase and decrease periodically. Then, the foul scale having been deposited on the membrane is stripped and is carried together with the concentrated raw liquid to the outside of the module.
JP8797778A 1978-07-18 1978-07-18 Membrane separator Pending JPS5515631A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8797778A JPS5515631A (en) 1978-07-18 1978-07-18 Membrane separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8797778A JPS5515631A (en) 1978-07-18 1978-07-18 Membrane separator

Publications (1)

Publication Number Publication Date
JPS5515631A true JPS5515631A (en) 1980-02-02

Family

ID=13929883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8797778A Pending JPS5515631A (en) 1978-07-18 1978-07-18 Membrane separator

Country Status (1)

Country Link
JP (1) JPS5515631A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393304A (en) * 1986-10-07 1988-04-23 Ebara Corp Method and apparatus for flushing desalination apparatus by reverse osmosis membrane module
CN103551041A (en) * 2013-10-31 2014-02-05 佛山市清淇水处理科技有限公司 Impulse-type reverse osmosis membrane off-line cleaning device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6393304A (en) * 1986-10-07 1988-04-23 Ebara Corp Method and apparatus for flushing desalination apparatus by reverse osmosis membrane module
CN103551041A (en) * 2013-10-31 2014-02-05 佛山市清淇水处理科技有限公司 Impulse-type reverse osmosis membrane off-line cleaning device
CN103551041B (en) * 2013-10-31 2016-04-13 佛山市清淇水处理科技有限公司 A kind of pulsed off-line cleaning device for reverse osmosis membrane

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