DE2758540C3 - Verfahren zur Entfernung und Verhinderung von biologischen Schlamm- und Schlickbildungen - Google Patents

Verfahren zur Entfernung und Verhinderung von biologischen Schlamm- und Schlickbildungen

Info

Publication number
DE2758540C3
DE2758540C3 DE2758540A DE2758540A DE2758540C3 DE 2758540 C3 DE2758540 C3 DE 2758540C3 DE 2758540 A DE2758540 A DE 2758540A DE 2758540 A DE2758540 A DE 2758540A DE 2758540 C3 DE2758540 C3 DE 2758540C3
Authority
DE
Germany
Prior art keywords
ethylene oxide
water
silt
biological sludge
preventing biological
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.)
Expired
Application number
DE2758540A
Other languages
German (de)
English (en)
Other versions
DE2758540B2 (de
DE2758540A1 (de
Inventor
Ronald J. Westmont Christensen
George J. Schaumberg Zivtins
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.)
ChampionX LLC
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 DE2758540A1 publication Critical patent/DE2758540A1/de
Publication of DE2758540B2 publication Critical patent/DE2758540B2/de
Application granted granted Critical
Publication of DE2758540C3 publication Critical patent/DE2758540C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Treatment Of Sludge (AREA)
DE2758540A 1977-01-06 1977-12-23 Verfahren zur Entfernung und Verhinderung von biologischen Schlamm- und Schlickbildungen Expired DE2758540C3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75740777A 1977-01-06 1977-01-06
US84416777A 1977-10-21 1977-10-21

Publications (3)

Publication Number Publication Date
DE2758540A1 DE2758540A1 (de) 1978-07-13
DE2758540B2 DE2758540B2 (de) 1979-09-06
DE2758540C3 true DE2758540C3 (de) 1980-05-22

Family

ID=27116376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2758540A Expired DE2758540C3 (de) 1977-01-06 1977-12-23 Verfahren zur Entfernung und Verhinderung von biologischen Schlamm- und Schlickbildungen

Country Status (10)

Country Link
JP (1) JPS5498321A (xx)
BR (1) BR7800071A (xx)
CA (1) CA1080578A (xx)
DE (1) DE2758540C3 (xx)
ES (1) ES465819A1 (xx)
FR (1) FR2376825A1 (xx)
GB (1) GB1560327A (xx)
IT (1) IT1092250B (xx)
MX (1) MX150026A (xx)
NL (1) NL7800185A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4340665A1 (de) * 1993-11-30 1995-06-01 Stockhausen Chem Fab Gmbh Öl-in-Wasser-Emulsionen als Ersatz für Mikrobizide (Biozide) in wasserführenden Systemen
US6241898B1 (en) * 1996-04-19 2001-06-05 Betzdearborn Inc. Method for inhibiting microbial adhesion on surfaces
US6514458B1 (en) * 2000-02-25 2003-02-04 Ge Betz, Inc. Method for removing microbes from surfaces
WO2001062091A1 (en) * 2000-02-25 2001-08-30 Betzdearborn Inc. Method for enhancing biocidal activity
JPWO2019004320A1 (ja) * 2017-06-28 2020-04-30 三菱ケミカル株式会社 スライム抑制剤及びスライム抑制方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB898820A (en) * 1959-07-17 1962-06-14 Dearborn Chemicals Co Improvements in or relating to the treatment of aqueous liquids, such as cooling water, to inhibit scaling and corrosion thereby
US3962119A (en) * 1971-08-06 1976-06-08 Drew Chemical Corporation Non-foaming dispersing composition

Also Published As

Publication number Publication date
NL7800185A (nl) 1978-07-10
JPS5498321A (en) 1979-08-03
MX150026A (es) 1984-03-05
ES465819A1 (es) 1979-01-01
IT1092250B (it) 1985-07-06
DE2758540B2 (de) 1979-09-06
FR2376825A1 (fr) 1978-08-04
GB1560327A (en) 1980-02-06
DE2758540A1 (de) 1978-07-13
CA1080578A (en) 1980-07-01
BR7800071A (pt) 1978-10-03
FR2376825B1 (xx) 1981-11-27

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Legal Events

Date Code Title Description
OAP Request for examination filed
OD Request for examination
C3 Grant after two publication steps (3rd publication)