IT1109096B - Procedimento per il trattamento dell acqua al fine di evitare in crostazioni e corrosioni - Google Patents

Procedimento per il trattamento dell acqua al fine di evitare in crostazioni e corrosioni

Info

Publication number
IT1109096B
IT1109096B IT69694/78A IT6969478A IT1109096B IT 1109096 B IT1109096 B IT 1109096B IT 69694/78 A IT69694/78 A IT 69694/78A IT 6969478 A IT6969478 A IT 6969478A IT 1109096 B IT1109096 B IT 1109096B
Authority
IT
Italy
Prior art keywords
corrosion
procedure
order
water treatment
avoid crusting
Prior art date
Application number
IT69694/78A
Other languages
English (en)
Other versions
IT7869694A0 (it
Original Assignee
Albright & Wilson
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 Albright & Wilson filed Critical Albright & Wilson
Publication of IT7869694A0 publication Critical patent/IT7869694A0/it
Application granted granted Critical
Publication of IT1109096B publication Critical patent/IT1109096B/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
    • C23F11/167—Phosphorus-containing compounds
    • C23F11/1676—Phosphonic acids
    • 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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
IT69694/78A 1977-11-25 1978-11-24 Procedimento per il trattamento dell acqua al fine di evitare in crostazioni e corrosioni IT1109096B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4911477 1977-11-25

Publications (2)

Publication Number Publication Date
IT7869694A0 IT7869694A0 (it) 1978-11-24
IT1109096B true IT1109096B (it) 1985-12-16

Family

ID=10451193

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69694/78A IT1109096B (it) 1977-11-25 1978-11-24 Procedimento per il trattamento dell acqua al fine di evitare in crostazioni e corrosioni

Country Status (11)

Country Link
JP (1) JPS6017830B2 (it)
AR (1) AR217882A1 (it)
AU (1) AU528091B2 (it)
CA (1) CA1128402A (it)
DE (1) DE2850925A1 (it)
ES (1) ES475398A1 (it)
FR (1) FR2409964A1 (it)
HK (1) HK59183A (it)
IT (1) IT1109096B (it)
MX (1) MX150586A (it)
SG (1) SG34883G (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1334824C (en) * 1987-02-11 1995-03-21 Stewart Nelson Paul Biocide protectors
JPH01319016A (ja) * 1988-06-17 1989-12-25 Itaro Ouchida 眼鏡の鼻当マットと鼻当て

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA770172A (en) * 1965-03-30 1967-10-24 T. Quimby Oscar Class of organo phosphorous compounds and process for preparing members thereof
US3496222A (en) * 1967-12-28 1970-02-17 Procter & Gamble Diacetylated cyclic dimer of ethane-1-hydroxy - 1,1 - diphosphonic acid and salts thereof
GB1345518A (en) * 1970-02-20 1974-01-30 Albright & Wilson Phosphonate sequestrant

Also Published As

Publication number Publication date
AU4187078A (en) 1979-05-31
MX150586A (es) 1984-05-31
SG34883G (en) 1984-07-27
IT7869694A0 (it) 1978-11-24
JPS6017830B2 (ja) 1985-05-07
FR2409964B1 (it) 1982-02-12
DE2850925A1 (de) 1979-05-31
AR217882A1 (es) 1980-04-30
AU528091B2 (en) 1983-04-14
ES475398A1 (es) 1980-02-16
HK59183A (en) 1983-12-02
FR2409964A1 (fr) 1979-06-22
CA1128402A (en) 1982-07-27
JPS5499746A (en) 1979-08-06
DE2850925C2 (it) 1989-09-21

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