DE2923718A1 - Zusatz zur verhinderung von kesselsteinbildung in waessrigen medien - Google Patents

Zusatz zur verhinderung von kesselsteinbildung in waessrigen medien

Info

Publication number
DE2923718A1
DE2923718A1 DE19792923718 DE2923718A DE2923718A1 DE 2923718 A1 DE2923718 A1 DE 2923718A1 DE 19792923718 DE19792923718 DE 19792923718 DE 2923718 A DE2923718 A DE 2923718A DE 2923718 A1 DE2923718 A1 DE 2923718A1
Authority
DE
Germany
Prior art keywords
acid
water
copolymer
additive
salt
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
DE19792923718
Other languages
German (de)
English (en)
Inventor
Dionisio Guerrero Cuisia
Chih Ming Hwa
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.)
WR Grace and Co Conn
Original Assignee
Chemed Corp
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 Chemed Corp filed Critical Chemed Corp
Publication of DE2923718A1 publication Critical patent/DE2923718A1/de
Ceased 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
    • C02F5/14—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 containing phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Detergent Compositions (AREA)
DE19792923718 1978-06-15 1979-06-12 Zusatz zur verhinderung von kesselsteinbildung in waessrigen medien Ceased DE2923718A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91571378A 1978-06-15 1978-06-15

Publications (1)

Publication Number Publication Date
DE2923718A1 true DE2923718A1 (de) 1979-12-20

Family

ID=25436161

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792923718 Ceased DE2923718A1 (de) 1978-06-15 1979-06-12 Zusatz zur verhinderung von kesselsteinbildung in waessrigen medien

Country Status (8)

Country Link
JP (1) JPS551897A (it)
CA (1) CA1114978A (it)
DE (1) DE2923718A1 (it)
ES (1) ES481476A1 (it)
FR (1) FR2431999A1 (it)
GB (1) GB2023121B (it)
IT (1) IT1121786B (it)
SE (1) SE431533B (it)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024247A1 (en) * 1979-08-16 1981-02-25 Calgon Corporation Composition and method for the control of scale and deposits in gas-liquid separations
DE3230291A1 (de) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen
EP0092913A1 (en) * 1982-04-26 1983-11-02 Betz Europe, Inc. Method of scrubbing flue gases
DE3405226A1 (de) * 1983-02-16 1984-08-16 Dearborn Chemical Co., Lake Zurich, Ill. Zusammensetzung und verfahren zur unterdrueckung von kesselstein
CN107973425A (zh) * 2017-12-13 2018-05-01 攀枝花钢城集团瑞天安全环保有限公司 复合缓蚀阻垢剂及其制备方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306991A (en) 1979-09-18 1981-12-22 Chemed Corporation Scale inhibition
CA1151498A (en) * 1979-10-23 1983-08-09 Dearborn Chemicals Ltd. Treatment of aqueous systems
JPS58199877A (ja) * 1982-05-03 1983-11-21 ナルコ・ケミカル・カンパニ− 鉄金属の腐蝕防止用組成物及び方法
CA1207211A (en) * 1982-09-27 1986-07-08 Dionisio G. Cuisia Composition and method for inhibiting scale
US4581145A (en) * 1982-09-27 1986-04-08 Dearborn Chemical Company Composition and method for inhibiting scale
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
US4576722A (en) * 1983-02-22 1986-03-18 The Mogul Corporation Scale and sludge compositions for aqueous systems
CA1258963A (en) * 1983-03-07 1989-09-05 Bennett P. Boffardi Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
GB8311002D0 (en) * 1983-04-22 1983-05-25 Unilever Plc Detergent compositions
JPS63176871A (ja) * 1987-01-17 1988-07-21 Daihatsu Motor Co Ltd トランスミツシヨンの潤滑装置
DE19514272C2 (de) * 1995-04-21 1997-02-20 Amtra Aquaristik Gmbh Mittel und Verfahren zur Regulierung der Härte und des pH-Wertes des Wassers von Süßwasseraquarien
EP0785174A1 (en) * 1996-01-22 1997-07-23 Monsanto Europe S.A./N.V. Use of triaminophosphonates in cement
US6310031B1 (en) * 1999-11-30 2001-10-30 Amway Corporation Method of inhibiting soil redeposition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458704A1 (de) * 1973-04-13 1976-06-16 Chemed Corp Verfahren zur verhinderung der abscheidung von kesselstein, schlamm und anderen verschmutzungsstoffen in waessrigen systemen
DE2740671A1 (de) * 1976-11-17 1978-05-24 Chemed Corp Verfahren zur verhinderung der abscheidung von kesselstein auf mit wasser in beruehrung stehenden oberflaechen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549538A (en) * 1967-06-22 1970-12-22 Nalco Chemical Co Scale inhibition and removal in steam generation
GB1414918A (en) * 1973-02-14 1975-11-19 Ciba Geigy Uk Ltd Treatment of water to prevent the deposition of scale
IT1038850B (it) * 1974-06-10 1979-11-30 Grace W R & Co Processo per il trattamento di acque
JPS5175681A (ja) * 1974-12-26 1976-06-30 Chemed Corp Mizujunkankeinitaisuru horiakurirusan hosupponsanshoriho
CA1062983A (en) * 1975-09-08 1979-09-25 Joseph J. Schuck Copolymers for the control of the formation and deposition of materials in aqueous mediums
JPS5827349B2 (ja) * 1975-11-25 1983-06-08 栗田工業株式会社 水系における腐食防止組成物
SE435456B (sv) * 1976-01-07 1984-10-01 Calgon Corp Komposition och forfarande for att kontrollera uppbyggnaden av pannsten i gastvettare
GB1539974A (en) * 1976-11-10 1979-02-07 Ciba Geigy Ag Method of inhibiting corrosion and scaling of metals in contact with water

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458704A1 (de) * 1973-04-13 1976-06-16 Chemed Corp Verfahren zur verhinderung der abscheidung von kesselstein, schlamm und anderen verschmutzungsstoffen in waessrigen systemen
DE2740671A1 (de) * 1976-11-17 1978-05-24 Chemed Corp Verfahren zur verhinderung der abscheidung von kesselstein auf mit wasser in beruehrung stehenden oberflaechen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024247A1 (en) * 1979-08-16 1981-02-25 Calgon Corporation Composition and method for the control of scale and deposits in gas-liquid separations
DE3230291A1 (de) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen
EP0092913A1 (en) * 1982-04-26 1983-11-02 Betz Europe, Inc. Method of scrubbing flue gases
DE3405226A1 (de) * 1983-02-16 1984-08-16 Dearborn Chemical Co., Lake Zurich, Ill. Zusammensetzung und verfahren zur unterdrueckung von kesselstein
CN107973425A (zh) * 2017-12-13 2018-05-01 攀枝花钢城集团瑞天安全环保有限公司 复合缓蚀阻垢剂及其制备方法

Also Published As

Publication number Publication date
JPS551897A (en) 1980-01-09
IT1121786B (it) 1986-04-23
FR2431999A1 (fr) 1980-02-22
SE431533B (sv) 1984-02-13
GB2023121B (en) 1982-08-25
CA1114978A (en) 1981-12-22
JPS6152760B2 (it) 1986-11-14
SE7905174L (sv) 1979-12-16
FR2431999B1 (it) 1985-05-10
IT7923459A0 (it) 1979-06-11
ES481476A1 (es) 1980-07-01
GB2023121A (en) 1979-12-28

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: DEARBORN CHEMICAL CO. (N.D.GES.D. STAATES DELAWARE

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: W.R. GRACE & CO., NEW YORK, N.Y., US

8128 New person/name/address of the agent

Representative=s name: FRHR. VON UEXKUELL, J., DIPL.-CHEM. DR.RER.NAT. GR

8127 New person/name/address of the applicant

Owner name: W.R. GRACE & CO.-CONN., NEW YORK, N.Y., US

8128 New person/name/address of the agent

Representative=s name: FRHR. VON UEXKUELL, J., DIPL.-CHEM. DR.RER.NAT. GR

8131 Rejection