DE3761371D1 - Mittel und verfahren zur vorbeugung der steinablagerung. - Google Patents

Mittel und verfahren zur vorbeugung der steinablagerung.

Info

Publication number
DE3761371D1
DE3761371D1 DE8787400400T DE3761371T DE3761371D1 DE 3761371 D1 DE3761371 D1 DE 3761371D1 DE 8787400400 T DE8787400400 T DE 8787400400T DE 3761371 T DE3761371 T DE 3761371T DE 3761371 D1 DE3761371 D1 DE 3761371D1
Authority
DE
Germany
Prior art keywords
agent
preventing stone
stone deposition
deposition
preventing
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 - Lifetime
Application number
DE8787400400T
Other languages
English (en)
Inventor
Tadahiko Asano
Masatsune Okuma
Keisyo Nakanishi
Sakae Katayama
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.)
Katayama Chemical Inc
Original Assignee
Katayama Chemical Inc
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
Priority claimed from JP4500386A external-priority patent/JPH0632828B2/ja
Priority claimed from JP61057740A external-priority patent/JPH0669558B2/ja
Application filed by Katayama Chemical Inc filed Critical Katayama Chemical Inc
Application granted granted Critical
Publication of DE3761371D1 publication Critical patent/DE3761371D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C02F5/12—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 nitrogen
    • 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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE8787400400T 1986-02-28 1987-02-24 Mittel und verfahren zur vorbeugung der steinablagerung. Expired - Lifetime DE3761371D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4500386A JPH0632828B2 (ja) 1986-02-28 1986-02-28 リン酸系スケ−ルの防止方法
JP61057740A JPH0669558B2 (ja) 1986-03-14 1986-03-14 高炉排ガス集塵水の処理方法

Publications (1)

Publication Number Publication Date
DE3761371D1 true DE3761371D1 (de) 1990-02-15

Family

ID=26384959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787400400T Expired - Lifetime DE3761371D1 (de) 1986-02-28 1987-02-24 Mittel und verfahren zur vorbeugung der steinablagerung.

Country Status (5)

Country Link
US (1) US4814406A (de)
EP (1) EP0236220B1 (de)
KR (1) KR870007851A (de)
CN (1) CN1017611B (de)
DE (1) DE3761371D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804476A (en) * 1987-10-23 1989-02-14 Calgon Corporation Process for controlling calcium oxalate scale over a wide pH range
CA1339231C (en) * 1989-03-30 1997-08-05 Ratana Kanluen Polyfunctional polymers as deinking agents
US7030008B2 (en) 2003-09-12 2006-04-18 International Business Machines Corporation Techniques for patterning features in semiconductor devices
EP2581421A1 (de) 2011-10-12 2013-04-17 Ineos Europe AG Zusatzstoff
JP7183211B2 (ja) * 2020-02-27 2022-12-05 栗田工業株式会社 パルプ製造工程水系のカルシウム系スケール防止剤及びスケール防止方法
US20220064037A1 (en) * 2020-08-25 2022-03-03 Midrex Technologies, Inc. Process cooling water system control systems and methods for iron and steelmaking applications

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2945013A (en) * 1956-03-22 1960-07-12 Monsanto Chemicals Water-soluble interpolymers of acrylic acids and 2-ethylhexyl esters of acrylic acids and method of making same
US3699048A (en) * 1969-07-24 1972-10-17 Benckiser Gmbh Joh A Process of preventing scale and deposit formation in aqueous systems and product
US4008164A (en) * 1974-03-21 1977-02-15 Nalco Chemical Company Process for scale inhibition
GB1454657A (en) * 1974-04-30 1976-11-03 Ciba Geigy Uk Ltd Method and composition for inhibitng the formation of scale from saline water
US3940351A (en) * 1974-07-02 1976-02-24 The B. F. Goodrich Company Polymerization of carboxylic acid monomers and alkyl acrylate esters in chlorofluoroethane
US4029577A (en) * 1975-11-17 1977-06-14 Betz Laboratories, Inc. Polymers for use in water treatment
JPS532393A (en) * 1976-06-30 1978-01-11 Nippon Jiyunyaku Kk Method of preventing water scale in cooling system
US4196272A (en) * 1978-11-27 1980-04-01 Nalco Chemical Company Continuous process for the preparation of an acrylic acid-methyl acrylate copolymer in a tubular reactor
CA1114595A (en) * 1979-04-02 1981-12-22 Joseph J. Schuck Corrosion inhibitor treatment for boiler water
JPS595038A (ja) * 1982-07-02 1984-01-11 Toyo Rubber Chem Ind Co Ltd フエノ−ル発泡成形体の製造方法
US4435556A (en) * 1983-03-28 1984-03-06 Masler Iii William F Method of making and using novel scale inhibiting terpolymer
US4530766A (en) * 1983-04-15 1985-07-23 Rohm And Haas Company Method of inhibiting scaling in aqueous systems with low molecular weight copolymers
FR2544722B1 (fr) * 1983-04-20 1985-07-05 Coatex Sa Agent hydrosoluble de complexation des cations metalliques compose de terpolymeres acryliques disposant d'un haut pouvoir complexant et d'un effet de seuil eleve
IN161206B (de) * 1983-06-28 1987-10-17 Goodrich Co B F

Also Published As

Publication number Publication date
CN87101665A (zh) 1987-09-09
US4814406A (en) 1989-03-21
EP0236220A1 (de) 1987-09-09
EP0236220B1 (de) 1990-01-10
CN1017611B (zh) 1992-07-29
KR870007851A (ko) 1987-09-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee