IT1008647B - Processo d inibizione corrosione ed incrostazioni per sistemi di raf freddamento ad acqua - Google Patents

Processo d inibizione corrosione ed incrostazioni per sistemi di raf freddamento ad acqua

Info

Publication number
IT1008647B
IT1008647B IT47521/74A IT4752174A IT1008647B IT 1008647 B IT1008647 B IT 1008647B IT 47521/74 A IT47521/74 A IT 47521/74A IT 4752174 A IT4752174 A IT 4752174A IT 1008647 B IT1008647 B IT 1008647B
Authority
IT
Italy
Prior art keywords
incrustation
inhibition
corrosion
water
cooling systems
Prior art date
Application number
IT47521/74A
Other languages
English (en)
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of IT1008647B publication Critical patent/IT1008647B/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
    • 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
    • C02F5/145—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 combined with inorganic substances

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)
IT47521/74A 1973-07-31 1974-01-03 Processo d inibizione corrosione ed incrostazioni per sistemi di raf freddamento ad acqua IT1008647B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/384,353 US3931038A (en) 1973-07-31 1973-07-31 Scale and corrosion inhibition for cooling water systems

Publications (1)

Publication Number Publication Date
IT1008647B true IT1008647B (it) 1976-11-30

Family

ID=23516994

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47521/74A IT1008647B (it) 1973-07-31 1974-01-03 Processo d inibizione corrosione ed incrostazioni per sistemi di raf freddamento ad acqua

Country Status (9)

Country Link
US (1) US3931038A (it)
JP (1) JPS5331096B2 (it)
BE (1) BE814371A (it)
CA (1) CA1006068A (it)
DE (1) DE2421477A1 (it)
FR (1) FR2239542B1 (it)
GB (1) GB1423920A (it)
IT (1) IT1008647B (it)
NL (1) NL7405790A (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168230A (en) * 1976-11-10 1979-09-18 Nalco Chemical Company Synergistic composition comprising phosphorylated ethoxylated glycerine and polyacrylic acid for the prevention of CaCO3 scale in cooling water
GB2156330B (en) * 1984-03-06 1988-04-07 Dearborn Chemicals Ltd Prevention of corrosion in recirculating water systems
JPH0617369B2 (ja) * 1989-03-02 1994-03-09 信越化学工業株式会社 重合体スケールの付着防止方法
GB2303848B (en) * 1992-08-17 1997-04-16 Grace W R & Co Inhibition of oxygen corrosion in aqueous systems
US5695652A (en) * 1995-12-06 1997-12-09 Betzdearborn Inc. Methods for inhibiting the production of slime in aqueous systems
JP4497625B2 (ja) * 1999-02-26 2010-07-07 キヤノン株式会社 インクジェット用インク、インクジェット記録ヘッドのヒータへのコゲ付着低減方法、インクジェット記録方法、インクジェット記録装置、記録ユニット及び記録ヘッドの長寿命化方法
US6558619B1 (en) * 1999-08-09 2003-05-06 Baker Hughes Incorporated High performance phosphorus-containing corrosion inhibitors for inhibiting corrosion drilling system fluids
US6391384B1 (en) 2000-07-10 2002-05-21 Carus Corporation Method for providing a corrosion inhibiting solution
EP1306402A1 (en) * 2001-10-24 2003-05-02 Omnichem S.A. Immobilised polyphenols such as tannin, intermediates for their production and processes for obtaining the same
GB0213600D0 (en) * 2002-06-13 2002-07-24 Bp Exploration Operating Process
TWI297052B (it) * 2002-10-18 2008-05-21 Yuen Foong Yu Paper Mfg Co Ltd
US9028787B2 (en) * 2009-09-25 2015-05-12 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
UA110198C2 (en) * 2009-09-25 2015-12-10 Cytec Tech Corp Processes and reagents for inhibiting or eliminating scale formation during wet-process phosphoric acid production
US9447657B2 (en) 2010-03-30 2016-09-20 The Lubrizol Corporation System and method for scale inhibition
US8900539B2 (en) 2011-03-22 2014-12-02 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
AU2015217240B2 (en) 2014-02-11 2019-05-23 Cytec Industries Inc. Primary amine-containing polymers useful as scale inhibitors
FI3256420T3 (fi) 2015-02-11 2025-07-29 Cytec Ind Inc Modifioitujen amiinien käyttö kattilakiven estäjinä fosforihapon valmistuksessa märkämenetelmällä
US10081758B2 (en) 2015-12-04 2018-09-25 Ecolab Usa Inc. Controlled release solid scale inhibitors
CA3024478A1 (en) 2016-05-16 2017-11-23 Ecolab Usa Inc. Slow-release scale inhibiting compositions
CN106245037B (zh) * 2016-08-31 2019-04-12 远大空调有限公司 一种真空相变锅炉用防腐阻垢剂
AR110540A1 (es) 2016-12-23 2019-04-10 Ecolab Usa Inc Inhibidores de incrustaciones sólidas de liberación controlada

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462365A (en) * 1966-06-23 1969-08-19 Nalco Chemical Co Scale inhibiting compounds
US3518203A (en) * 1966-06-28 1970-06-30 Drew Chem Corp Corrosion and scale inhibitor compositions and processes therefor

Also Published As

Publication number Publication date
GB1423920A (en) 1976-02-04
NL7405790A (nl) 1975-02-04
FR2239542B1 (it) 1977-06-24
CA1006068A (en) 1977-03-01
US3931038A (en) 1976-01-06
BE814371A (fr) 1974-10-30
JPS5331096B2 (it) 1978-08-31
JPS5039650A (it) 1975-04-11
DE2421477A1 (de) 1975-05-22
FR2239542A1 (it) 1975-02-28

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