IT8149752A0 - Procedimento per trattare sistemi acquosi mediante aggiunte di composti fosforati in particolare per inibire incrostazioni - Google Patents

Procedimento per trattare sistemi acquosi mediante aggiunte di composti fosforati in particolare per inibire incrostazioni

Info

Publication number
IT8149752A0
IT8149752A0 IT8149752A IT4975281A IT8149752A0 IT 8149752 A0 IT8149752 A0 IT 8149752A0 IT 8149752 A IT8149752 A IT 8149752A IT 4975281 A IT4975281 A IT 4975281A IT 8149752 A0 IT8149752 A0 IT 8149752A0
Authority
IT
Italy
Prior art keywords
procedure
addition
phosphorus compounds
water systems
treating water
Prior art date
Application number
IT8149752A
Other languages
English (en)
Other versions
IT1172089B (it
Inventor
Hans-Dieter Block
Roland Kleinstucke W Ohlendorf
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of IT8149752A0 publication Critical patent/IT8149752A0/it
Application granted granted Critical
Publication of IT1172089B publication Critical patent/IT1172089B/it

Links

Classifications

    • 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
    • C23F11/10—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 using organic inhibitors
    • C23F11/173—Macromolecular compounds
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
IT49752/81A 1980-11-25 1981-11-23 Procentimento per trattare sistemi acquosi mediante aggiunte di composti fosporati in particolare per inibire incrostazioni IT1172089B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803044214 DE3044214A1 (de) 1980-11-25 1980-11-25 Verfahren zur behandlung von waessrigen systemen

Publications (2)

Publication Number Publication Date
IT8149752A0 true IT8149752A0 (it) 1981-11-23
IT1172089B IT1172089B (it) 1987-06-18

Family

ID=6117436

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49752/81A IT1172089B (it) 1980-11-25 1981-11-23 Procentimento per trattare sistemi acquosi mediante aggiunte di composti fosporati in particolare per inibire incrostazioni

Country Status (2)

Country Link
DE (1) DE3044214A1 (it)
IT (1) IT1172089B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024470D0 (en) * 1990-11-10 1991-01-02 Ciba Geigy Ag Corrision inhibition
US5386038A (en) * 1990-12-18 1995-01-31 Albright & Wilson Limited Water treatment agent
DE19804124A1 (de) * 1998-02-03 1999-08-05 Bayer Ag Phosphorhaltige Verbindungen auf Basis der 1-Hydroxypropan-1,3-diphosphonsäure

Also Published As

Publication number Publication date
IT1172089B (it) 1987-06-18
DE3044214A1 (de) 1982-06-24

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