DE2748208A1 - Aufbereitung waessriger systeme - Google Patents

Aufbereitung waessriger systeme

Info

Publication number
DE2748208A1
DE2748208A1 DE19772748208 DE2748208A DE2748208A1 DE 2748208 A1 DE2748208 A1 DE 2748208A1 DE 19772748208 DE19772748208 DE 19772748208 DE 2748208 A DE2748208 A DE 2748208A DE 2748208 A1 DE2748208 A1 DE 2748208A1
Authority
DE
Germany
Prior art keywords
formula
aqueous
aqueous compositions
compositions according
compound
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.)
Ceased
Application number
DE19772748208
Other languages
German (de)
English (en)
Inventor
David Ronald Dr Clark
Michael Anthony Finan
Alan Dr Marshall
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of DE2748208A1 publication Critical patent/DE2748208A1/de
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5272Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation

Landscapes

  • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
DE19772748208 1976-11-02 1977-10-27 Aufbereitung waessriger systeme Ceased DE2748208A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB45464/76A GB1540603A (en) 1976-11-02 1976-11-02 Compositions used to selectively flocculate materials in aqueous systems

Publications (1)

Publication Number Publication Date
DE2748208A1 true DE2748208A1 (de) 1978-05-11

Family

ID=10437307

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772748208 Ceased DE2748208A1 (de) 1976-11-02 1977-10-27 Aufbereitung waessriger systeme

Country Status (10)

Country Link
US (1) US4192744A (enExample)
JP (1) JPS5357189A (enExample)
BE (1) BE860334A (enExample)
DE (1) DE2748208A1 (enExample)
ES (1) ES463734A1 (enExample)
FR (1) FR2369216A1 (enExample)
GB (1) GB1540603A (enExample)
IT (1) IT1113669B (enExample)
NL (1) NL7712099A (enExample)
SU (1) SU689612A3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008129A1 (en) * 1989-01-13 1990-07-26 Neste Oy Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6075392A (ja) * 1983-09-30 1985-04-27 Ebara Infilco Co Ltd 有機性廃水の処理方法
US4806259A (en) * 1987-06-15 1989-02-21 The B. F. Goodrich Company Membrane cleaning compositions containing phosphorous compounds
JPH0521010U (ja) * 1991-09-02 1993-03-19 日本建鐵株式会社 ドライシールカーテンウオールユニツト
US20060016463A1 (en) * 2004-07-22 2006-01-26 Dober Chemical Corporation Composition and process for removing titanium dioxide residues from surfaces
US8727002B2 (en) * 2010-12-14 2014-05-20 Halliburton Energy Services, Inc. Acidic treatment fluids containing non-polymeric silica scale control additives and methods related thereto

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790778A (en) * 1953-07-27 1957-04-30 Geigy Chem Corp Rust preventive compositions containing amidodicarboxylic acids
US3430641A (en) * 1966-02-16 1969-03-04 Nalco Chemical Co Method of redispersing deposits
US3755158A (en) * 1970-08-10 1973-08-28 Ajinomoto Kk Process for capturing metal ions
US3981779A (en) * 1972-12-05 1976-09-21 W. R. Grace & Co. Inhibition of scale on saline water heat exchange surfaces with iminodiacetic acid compounds

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894905A (en) * 1958-05-02 1959-07-14 Pure Oil Co Inhibiting precipitation of iron oxide from iron-containing waters
US3147318A (en) * 1962-04-17 1964-09-01 Du Pont Method of preparing elastomeric blend of benzene-soluble chloroprene polymer and a cross-linked chloroprene polymer
US3479284A (en) * 1967-03-30 1969-11-18 Hercules Inc Separation of finely divided solids from liquid suspensions thereof
US3527609A (en) * 1968-04-29 1970-09-08 Dow Chemical Co In-service cleaning of cooling water systems
US3639292A (en) * 1969-12-22 1972-02-01 Hercules Inc Inhibiting the precipitation and/or deposition of ferric hydroxide in aqueous systems
US3796667A (en) * 1972-06-02 1974-03-12 Grace W R & Co Method for inhibiting iron containing scale formation in seawater distillaton plants
US3894946A (en) * 1973-04-02 1975-07-15 American Cyanamid Co Process for treating industrial wastes
JPS50122470A (enExample) * 1974-03-11 1975-09-26

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790778A (en) * 1953-07-27 1957-04-30 Geigy Chem Corp Rust preventive compositions containing amidodicarboxylic acids
US3430641A (en) * 1966-02-16 1969-03-04 Nalco Chemical Co Method of redispersing deposits
US3755158A (en) * 1970-08-10 1973-08-28 Ajinomoto Kk Process for capturing metal ions
US3981779A (en) * 1972-12-05 1976-09-21 W. R. Grace & Co. Inhibition of scale on saline water heat exchange surfaces with iminodiacetic acid compounds

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HELD, H.-D.: Kühlwasser, Vulkan Verlag, Dr. W.Classen, Essen, 1970, S.234-235 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008129A1 (en) * 1989-01-13 1990-07-26 Neste Oy Derivatives of n,n-bis(2,2-dimethyl-2-carboxylethyl)amine, manufacturing procedure and use of same
US5130469A (en) * 1989-01-13 1992-07-14 Neste Oy Derivatives of n,n-bis(2,2-dimethyl-2-carboxy-ethyl)amine, manufacturing procedure and use of same

Also Published As

Publication number Publication date
FR2369216B1 (enExample) 1980-02-01
JPS631120B2 (enExample) 1988-01-11
GB1540603A (en) 1979-02-14
ES463734A1 (es) 1978-06-01
FR2369216A1 (fr) 1978-05-26
US4192744A (en) 1980-03-11
IT1113669B (it) 1986-01-20
NL7712099A (nl) 1978-05-05
SU689612A3 (ru) 1979-09-30
JPS5357189A (en) 1978-05-24
BE860334A (fr) 1978-05-02

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: ZUMSTEIN SEN., F., DR. ASSMANN, E., DIPL.-CHEM. DR

8131 Rejection