CA1114978A - Sludge conditioning composition for scale inhibition in water - Google Patents

Sludge conditioning composition for scale inhibition in water

Info

Publication number
CA1114978A
CA1114978A CA328,648A CA328648A CA1114978A CA 1114978 A CA1114978 A CA 1114978A CA 328648 A CA328648 A CA 328648A CA 1114978 A CA1114978 A CA 1114978A
Authority
CA
Canada
Prior art keywords
acid
water
copolymer
maleic anhydride
organophosphonic
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
CA328,648A
Other languages
English (en)
French (fr)
Inventor
Chih M. Hwa
Dionisio G. Cuisia
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.)
Veolia WTS USA Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1114978A publication Critical patent/CA1114978A/en
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
    • 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)
CA328,648A 1978-06-15 1979-05-30 Sludge conditioning composition for scale inhibition in water Expired CA1114978A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91571378A 1978-06-15 1978-06-15
US915,713 1978-06-15

Publications (1)

Publication Number Publication Date
CA1114978A true CA1114978A (en) 1981-12-22

Family

ID=25436161

Family Applications (1)

Application Number Title Priority Date Filing Date
CA328,648A Expired CA1114978A (en) 1978-06-15 1979-05-30 Sludge conditioning composition for scale inhibition in water

Country Status (8)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT71647B (en) * 1979-08-16 1982-01-21 Calgon Corp Process for preparing a composition for the control of scale and deposits in gas-liquid separation
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
DE3230291A1 (de) * 1981-08-18 1983-03-03 Dearborn Chemicals Ltd., Widnes, Cheshire Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen
US4409192A (en) * 1982-04-26 1983-10-11 Betz Laboratories, Inc. Gas scrubbing methods
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
CA1224999A (en) * 1983-02-16 1987-08-04 Dionisio G. Cuisia 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
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

Family Cites Families (10)

* 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
US3890228A (en) * 1973-04-13 1975-06-17 Chemed Corp Polyacrylate-polyphosphonic acid treatment in aqueous systems
ES438418A1 (es) * 1974-06-10 1977-05-16 Grace W R & Co Procedimiento para inhibir la deposicion de incrustaciones sobre la superficie de intercambio termico de un evaporador.
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
US4048066A (en) * 1976-11-17 1977-09-13 Chemed Corporation Method of inhibiting scale

Also Published As

Publication number Publication date
SE7905174L (sv) 1979-12-16
DE2923718A1 (de) 1979-12-20
ES481476A1 (es) 1980-07-01
GB2023121B (en) 1982-08-25
SE431533B (sv) 1984-02-13
FR2431999B1 (pm) 1985-05-10
FR2431999A1 (fr) 1980-02-22
JPS551897A (en) 1980-01-09
GB2023121A (en) 1979-12-28
IT7923459A0 (it) 1979-06-11
JPS6152760B2 (pm) 1986-11-14
IT1121786B (it) 1986-04-23

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Legal Events

Date Code Title Description
MKEX Expiry