BE781252A - Perfectionnements aux procedes et compositions pour le traitement des eaux - Google Patents

Perfectionnements aux procedes et compositions pour le traitement des eaux

Info

Publication number
BE781252A
BE781252A BE781252A BE781252A BE781252A BE 781252 A BE781252 A BE 781252A BE 781252 A BE781252 A BE 781252A BE 781252 A BE781252 A BE 781252A BE 781252 A BE781252 A BE 781252A
Authority
BE
Belgium
Prior art keywords
compositions
processes
water treatment
treatment
water
Prior art date
Application number
BE781252A
Other languages
English (en)
Inventor
D C Zecher
Original Assignee
Hercules 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
Application filed by Hercules Inc filed Critical Hercules Inc
Publication of BE781252A publication Critical patent/BE781252A/fr

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
    • 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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
BE781252A 1971-03-24 1972-03-24 Perfectionnements aux procedes et compositions pour le traitement des eaux BE781252A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12775671A 1971-03-24 1971-03-24
US23006072A 1972-02-28 1972-02-28

Publications (1)

Publication Number Publication Date
BE781252A true BE781252A (fr) 1972-07-17

Family

ID=26825941

Family Applications (1)

Application Number Title Priority Date Filing Date
BE781252A BE781252A (fr) 1971-03-24 1972-03-24 Perfectionnements aux procedes et compositions pour le traitement des eaux

Country Status (8)

Country Link
BE (1) BE781252A (fr)
CA (1) CA979317A (fr)
DE (1) DE2214494A1 (fr)
FR (1) FR2130717B1 (fr)
GB (1) GB1348595A (fr)
IT (1) IT953549B (fr)
NL (1) NL7204031A (fr)
SE (1) SE377930B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501357B1 (fr) * 1981-03-04 1988-01-15 Permo Procede de desembouage des circuits dans les installations pour l'echange thermique a l'aide d'eau
GB2155919B (en) * 1984-03-20 1987-12-02 Dearborn Chemicals Ltd A method of inhibiting corrosion in aqueous systems
GB2159511B (en) * 1984-04-25 1988-09-21 Dearborn Chemicals Ltd A method of inhibiting corrosion in aqueous systems
GB2168359B (en) * 1984-11-08 1988-05-05 Grace W R & Co A method of inhibiting corrosion in aqueous systems
DE19706410C2 (de) * 1997-02-19 2001-04-05 Metakorin Wasser Chemie Gmbh Verfahren und Mittel zur Korrosionsschutzbehandlung wasserführender Metallsysteme

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3036305A (en) * 1959-06-23 1962-05-22 Wright Chem Corp Treatment of water
GR35176B (el) * 1966-08-31 1968-08-22 Rohm And Haas Company Αναχαιτησις διαβρωσεως και αποθεσεων μεταλλων, κατακρημνισις σιδηρου διαλελυμενου εις υδωρ και απαιωρησεως των εν αιωρησει στερεων υλων.
FR1544503A (fr) * 1966-11-16 1968-10-31 Benckiser Gmbh Joh A Produits détartrants

Also Published As

Publication number Publication date
GB1348595A (en) 1974-03-20
FR2130717A1 (fr) 1972-11-03
IT953549B (it) 1973-08-10
FR2130717B1 (fr) 1977-07-22
NL7204031A (fr) 1972-09-26
CA979317A (en) 1975-12-09
DE2214494A1 (de) 1972-10-05
SE377930B (fr) 1975-08-04

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