BE902571A - Procede de separation d'impuretes de l'eau a l'aide de deux unites a membranes d'osmose inverse. - Google Patents

Procede de separation d'impuretes de l'eau a l'aide de deux unites a membranes d'osmose inverse.

Info

Publication number
BE902571A
BE902571A BE0/215119A BE215119A BE902571A BE 902571 A BE902571 A BE 902571A BE 0/215119 A BE0/215119 A BE 0/215119A BE 215119 A BE215119 A BE 215119A BE 902571 A BE902571 A BE 902571A
Authority
BE
Belgium
Prior art keywords
unit
water
reverse osmosis
inlet
osmosis membrane
Prior art date
Application number
BE0/215119A
Other languages
English (en)
Inventor
G A Pittner
Original Assignee
Arrowhead Ind Water
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24470730&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BE902571(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arrowhead Ind Water filed Critical Arrowhead Ind Water
Publication of BE902571A publication Critical patent/BE902571A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Procédé et système d'épuration d'eau à osmose inverse, l'entrée d'une seconde unité étant raccordée à la sortie d'eau produite d'une première unité. L'eau à purifier ou épurer est conditionnée par un adoucisseur d'eau du type à résine échangeuse d'ions et pompée dans l'entrée de la première unité. Le produit sortant de la première unité est traité par un agent de traitement chimique, comme une solution d'hydroxyde de sodium, en amont de l'entrée de la seconde unité. La saumure provenant de la sortie de saumure de la seconde unité est recyclée dans la conduite de circulation d'eau en amont de la première unité.
BE0/215119A 1984-06-04 1985-06-03 Procede de separation d'impuretes de l'eau a l'aide de deux unites a membranes d'osmose inverse. BE902571A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06616729 US4574049B1 (en) 1984-06-04 1984-06-04 Reverse osmosis system

Publications (1)

Publication Number Publication Date
BE902571A true BE902571A (fr) 1985-09-30

Family

ID=24470730

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/215119A BE902571A (fr) 1984-06-04 1985-06-03 Procede de separation d'impuretes de l'eau a l'aide de deux unites a membranes d'osmose inverse.

Country Status (10)

Country Link
US (1) US4574049B1 (fr)
JP (1) JPH06233B2 (fr)
AU (1) AU568746B2 (fr)
BE (1) BE902571A (fr)
CA (1) CA1251145A (fr)
DE (1) DE3520006C2 (fr)
ES (1) ES8802480A1 (fr)
FR (1) FR2565221B1 (fr)
GB (1) GB2159810B (fr)
IT (1) IT1206531B (fr)

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Also Published As

Publication number Publication date
FR2565221B1 (fr) 1990-02-09
JPH06233B2 (ja) 1994-01-05
IT1206531B (it) 1989-04-27
GB8513038D0 (en) 1985-06-26
AU4309385A (en) 1985-12-12
DE3520006C2 (de) 1987-01-15
FR2565221A1 (fr) 1985-12-06
CA1251145A (fr) 1989-03-14
US4574049A (en) 1986-03-04
IT8548158A0 (it) 1985-06-03
US4574049B1 (en) 1999-02-02
ES543825A0 (es) 1988-07-16
JPS614591A (ja) 1986-01-10
DE3520006A1 (de) 1985-12-05
GB2159810B (en) 1988-03-16
GB2159810A (en) 1985-12-11
AU568746B2 (en) 1988-01-07
ES8802480A1 (es) 1988-07-16

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