ATA273383A - METHOD FOR IMPROVING AND MAINTAINING THE PERFORMANCE OF WATER TREATMENT SOLIDS - Google Patents

METHOD FOR IMPROVING AND MAINTAINING THE PERFORMANCE OF WATER TREATMENT SOLIDS

Info

Publication number
ATA273383A
ATA273383A AT832733A AT273383A ATA273383A AT A273383 A ATA273383 A AT A273383A AT 832733 A AT832733 A AT 832733A AT 273383 A AT273383 A AT 273383A AT A273383 A ATA273383 A AT A273383A
Authority
AT
Austria
Prior art keywords
maintaining
improving
performance
water treatment
treatment solids
Prior art date
Application number
AT832733A
Other languages
German (de)
Other versions
AT394181B (en
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of ATA273383A publication Critical patent/ATA273383A/en
Application granted granted Critical
Publication of AT394181B publication Critical patent/AT394181B/en

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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J49/00—Regeneration or reactivation of ion-exchangers; Apparatus therefor
    • B01J49/60—Cleaning or rinsing ion-exchange beds
    • 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
    • B01D2321/04—Backflushing
    • 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
    • B01D2321/16—Use of chemical agents
    • B01D2321/168—Use of other chemical agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Water Treatment By Sorption (AREA)
  • Detergent Compositions (AREA)
AT0273383A 1982-07-29 1983-07-27 METHOD FOR IMPROVING AND MAINTAINING THE PERFORMANCE OF WATER TREATMENT SOLIDS AT394181B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40143482A 1982-07-29 1982-07-29
US50368583A 1983-06-17 1983-06-17

Publications (2)

Publication Number Publication Date
ATA273383A true ATA273383A (en) 1991-08-15
AT394181B AT394181B (en) 1992-02-10

Family

ID=27017454

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0273383A AT394181B (en) 1982-07-29 1983-07-27 METHOD FOR IMPROVING AND MAINTAINING THE PERFORMANCE OF WATER TREATMENT SOLIDS

Country Status (12)

Country Link
AT (1) AT394181B (en)
CA (1) CA1218475A (en)
DE (1) DE3327294A1 (en)
ES (1) ES8502407A1 (en)
FI (1) FI832734A (en)
FR (2) FR2530971B1 (en)
GB (1) GB2124199B (en)
IE (1) IE55521B1 (en)
NL (1) NL8302712A (en)
NO (1) NO832745L (en)
PT (1) PT77089B (en)
SE (1) SE8304157L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1778314B1 (en) * 2004-06-21 2008-11-26 Ecolab Inc. Method of activating membranes
ES2599640T3 (en) 2005-07-12 2017-02-02 Zenon Technology Partnership Procedure control for a submerged membrane system
US7662289B2 (en) * 2007-01-16 2010-02-16 Nalco Company Method of cleaning fouled or scaled membranes
US7674382B2 (en) 2007-05-03 2010-03-09 Nalco Company Method of cleaning fouled and/or scaled membranes
US20100158852A1 (en) * 2008-12-22 2010-06-24 Wilson Kurt Whitekettle Method for reduction of microbes on surfaces
CN105699571B (en) * 2016-03-18 2017-12-15 中华人民共和国鄞州出入境检验检疫局 Assay method of the short chain to tert-octylphenol ethoxylate in a kind of textile
ES2902009T3 (en) * 2016-03-30 2022-03-24 Toray Industries Method for filtering a microbial culture solution using a membrane module
CN107381966B (en) * 2017-09-04 2023-05-19 北京东方园林环境股份有限公司 Composite constructed wetland system for efficiently treating ammonia nitrogen wastewater
CN117467862B (en) * 2023-12-22 2024-03-29 核工业北京化工冶金研究院 Method for preventing resin organic matter poisoning in neutral leaching uranium mining hydrometallurgy process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR906825A (en) * 1942-10-02 1946-02-21 Ig Farbenindustrie Ag Process for ridding substances with an exchange action of impurities which clog them
US2571271A (en) * 1948-01-20 1951-10-16 Wallace & Tiernan Inc Sterilization of ion exchange bodies
US2977313A (en) * 1956-05-22 1961-03-28 Hagan Chemicals & Controls Inc Method of cleansing, sterilizing, and preventing corrosion in base exchange and cation exchange systems and products used therein
US3299617A (en) * 1964-04-09 1967-01-24 Culligan Inc Method of removing entrapped gas from an ion exchange resin bed
US3748285A (en) * 1972-06-26 1973-07-24 Nalco Chemical Co Composition and process for cleaning ion exchange resins
US4389253A (en) * 1980-10-30 1983-06-21 Hitachi, Ltd. Process for removing crud from ion exchange resin
US4357254A (en) * 1981-01-12 1982-11-02 Chemical Sciences, Inc. Cleaning composition

Also Published As

Publication number Publication date
IE831683L (en) 1984-01-29
PT77089A (en) 1983-08-01
IE55521B1 (en) 1990-10-10
FI832734A0 (en) 1983-07-28
GB2124199B (en) 1986-01-08
SE8304157D0 (en) 1983-07-27
AT394181B (en) 1992-02-10
FI832734A (en) 1984-01-30
DE3327294A1 (en) 1984-02-09
FR2530971A1 (en) 1984-02-03
NO832745L (en) 1984-01-30
FR2536678B1 (en) 1987-01-02
ES524516A0 (en) 1985-01-01
SE8304157L (en) 1984-01-30
PT77089B (en) 1986-02-12
CA1218475A (en) 1987-02-24
FR2530971B1 (en) 1987-01-09
GB8320565D0 (en) 1983-09-01
ES8502407A1 (en) 1985-01-01
GB2124199A (en) 1984-02-15
NL8302712A (en) 1984-02-16
FR2536678A1 (en) 1984-06-01

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