FR2207970A1 - - Google Patents

Info

Publication number
FR2207970A1
FR2207970A1 FR7342593A FR7342593A FR2207970A1 FR 2207970 A1 FR2207970 A1 FR 2207970A1 FR 7342593 A FR7342593 A FR 7342593A FR 7342593 A FR7342593 A FR 7342593A FR 2207970 A1 FR2207970 A1 FR 2207970A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7342593A
Other languages
French (fr)
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.)
Houseman and Thompson Ltd
Original Assignee
Houseman and Thompson Ltd
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 Houseman and Thompson Ltd filed Critical Houseman and Thompson Ltd
Publication of FR2207970A1 publication Critical patent/FR2207970A1/fr
Withdrawn legal-status Critical Current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
    • C02F5/105—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 combined with inorganic substances
    • 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
    • C02F5/125—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 combined with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
FR7342593A 1972-11-29 1973-11-29 Withdrawn FR2207970A1 (el)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5512872 1972-11-29
GB3853073A GB1459390A (en) 1972-11-29 1973-08-15 Water treatment compositions for inhibiting scale formation and corrosion

Publications (1)

Publication Number Publication Date
FR2207970A1 true FR2207970A1 (el) 1974-06-21

Family

ID=26263845

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7342593A Withdrawn FR2207970A1 (el) 1972-11-29 1973-11-29

Country Status (3)

Country Link
DE (1) DE2359016A1 (el)
FR (1) FR2207970A1 (el)
GB (1) GB1459390A (el)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357A1 (fr) * 1981-03-04 1982-09-10 Permo Procede de desembouage des circuits dans les installations pour l'echange thermique a l'aide d'eau
EP0577226A1 (en) * 1986-11-12 1994-01-05 The United States Environmental Protection Agency Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection
WO1996039549A1 (en) * 1995-06-05 1996-12-12 Betzdearborn Inc. Method for inhibiting metal corrosion in large scale water systems

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2512072A1 (fr) * 1981-08-31 1983-03-04 Roquette Freres Composition et procede d'inhibition de la corrosion par l'eau des substrats metalliques
US5244600A (en) * 1992-03-02 1993-09-14 W. R. Grace & Co.-Conn. Method of scavenging oxygen in aqueous systems
JP2003253478A (ja) * 2002-03-01 2003-09-10 Japan Organo Co Ltd 水系用の有機系防食剤及び水系の防食方法
US20110001083A1 (en) * 2009-07-02 2011-01-06 Clearwater International, Llc Environmentally benign water scale inhibitor compositions and method for making and using same
CN105174505B (zh) * 2015-08-26 2018-02-09 山东天庆科技发展有限公司 复合水处理剂及其应用
DE102016108268A1 (de) * 2016-05-04 2017-11-09 Miele & Cie. Kg Verfahren und Vorrichtung zum Entkalken eines betriebsbereiten Kühlkreislaufs für eine betriebsbereite Vakuumpumpe für einen betriebsbereiten Sterilisator und Sterilisator
DE202019103213U1 (de) 2018-01-16 2019-07-15 helcotec Chemie u. Technik GmbH Formulierungen zur Abwasserbehandlung
CN108217988A (zh) * 2018-02-11 2018-06-29 陈沩 一种改性腰果酚阻垢剂及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357A1 (fr) * 1981-03-04 1982-09-10 Permo Procede de desembouage des circuits dans les installations pour l'echange thermique a l'aide d'eau
EP0577226A1 (en) * 1986-11-12 1994-01-05 The United States Environmental Protection Agency Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection
WO1996039549A1 (en) * 1995-06-05 1996-12-12 Betzdearborn Inc. Method for inhibiting metal corrosion in large scale water systems

Also Published As

Publication number Publication date
GB1459390A (en) 1976-12-22
DE2359016A1 (de) 1974-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse