IT956678B - Controllo delle incrostazioni e della corposione in acque di circolazione - Google Patents

Controllo delle incrostazioni e della corposione in acque di circolazione

Info

Publication number
IT956678B
IT956678B IT25852/72A IT2585272A IT956678B IT 956678 B IT956678 B IT 956678B IT 25852/72 A IT25852/72 A IT 25852/72A IT 2585272 A IT2585272 A IT 2585272A IT 956678 B IT956678 B IT 956678B
Authority
IT
Italy
Prior art keywords
incrustation
control
circulation waters
waters
circulation
Prior art date
Application number
IT25852/72A
Other languages
English (en)
Inventor
David Craig 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
Application granted granted Critical
Publication of IT956678B publication Critical patent/IT956678B/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)
IT25852/72A 1971-06-18 1972-06-17 Controllo delle incrostazioni e della corposione in acque di circolazione IT956678B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15459271A 1971-06-18 1971-06-18

Publications (1)

Publication Number Publication Date
IT956678B true IT956678B (it) 1973-10-10

Family

ID=22551948

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25852/72A IT956678B (it) 1971-06-18 1972-06-17 Controllo delle incrostazioni e della corposione in acque di circolazione

Country Status (9)

Country Link
US (1) US3751372A (it)
AU (1) AU466454B2 (it)
BE (1) BE785050A (it)
CA (1) CA979318A (it)
FR (1) FR2142051B1 (it)
GB (1) GB1386814A (it)
IT (1) IT956678B (it)
NL (1) NL7208291A (it)
SE (1) SE380242B (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1027136A (en) * 1973-05-17 1978-02-28 Robert S. Mitchell Phosphonomethyl amino carboxylates and process for preparation
US3932303A (en) * 1973-06-04 1976-01-13 Calgon Corporation Corrosion inhibition with triethanolamine phosphate ester compositions
US3992318A (en) * 1973-10-09 1976-11-16 Drew Chemical Corporation Corrosion inhibitor
DE2500209B2 (de) * 1975-01-03 1977-03-03 Benckiser-Knapsack Gmbh, 6802 Ladenburg Verfahren und mittel zur verhuetung von harzausscheidungen bei der papierherstellung
DE2408523C3 (de) * 1974-02-22 1978-05-18 Benckiser-Knapsack Gmbh, 6802 Ladenburg Verfahren zur Verhütung von Harzausscheidungen bei der Papierherstellung
US3935125A (en) * 1974-06-25 1976-01-27 Chemed Corporation Method and composition for inhibiting corrosion in aqueous systems
US4101441A (en) * 1975-12-29 1978-07-18 Chemed Corporation Composition and method of inhibiting corrosion
US4172032A (en) * 1976-10-15 1979-10-23 Nalco Chemical Company Polyphosphate-based industrial cooling water treatment
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
GB1595411A (en) * 1976-11-24 1981-08-12 Ici Ltd Phosphating process
US4105581A (en) * 1977-02-18 1978-08-08 Drew Chemical Corporation Corrosion inhibitor
US4294575A (en) * 1979-01-02 1981-10-13 Monsanto Company Peroxide stabilization
US4239643A (en) * 1979-01-02 1980-12-16 Monsanto Company Peroxide stabilization
US4384979A (en) * 1980-10-31 1983-05-24 Atlantic Richfield Company Corrosion inhibitor
US4328180A (en) * 1981-11-04 1982-05-04 Atlantic Richfield Company Cooling water corrosion inhibitor
US4634532A (en) * 1984-05-12 1987-01-06 Calgon Corporation Orthophosphate-containing desalination scale inhibitors
US4711724A (en) * 1985-09-16 1987-12-08 Nalco Chemical Company Method for prevention of phosphonate decomposition by chlorine
US4642194A (en) * 1985-09-16 1987-02-10 Nalco Chemical Company Method for prevention of phosphonate decomposition by chlorine
US4713195A (en) * 1986-01-30 1987-12-15 Aqua-Chem Inc. Scale inhibitor
US4752374A (en) * 1987-04-20 1988-06-21 Betz Laboratories, Inc. Process for minimizing fouling of processing equipment
US4798675A (en) * 1987-10-19 1989-01-17 The Mogul Corporation Corrosion inhibiting compositions containing carboxylated phosphonic acids and sequestrants
GB8904007D0 (en) * 1989-02-22 1989-04-05 Procter & Gamble Stabilized,bleach containing,liquid detergent compositions
US5034155A (en) * 1990-02-06 1991-07-23 Jamestown Chemical Company, Inc. Cooling water treatment composition
US5141675A (en) * 1990-10-15 1992-08-25 Calgon Corporation Novel polyphosphate/azole compositions and the use thereof as copper and copper alloy corrosion inhibitors
US6410782B1 (en) 1997-07-09 2002-06-25 Geange Ltd. Diphosphonic acid salts for the treatment of osteoporosis
US6077501A (en) * 1998-06-30 2000-06-20 Block Drug Company, Inc. Denture cleanser
US6558619B1 (en) * 1999-08-09 2003-05-06 Baker Hughes Incorporated High performance phosphorus-containing corrosion inhibitors for inhibiting corrosion drilling system fluids
CN102786159B (zh) * 2012-08-09 2016-03-16 艾欧史密斯(中国)热水器有限公司 联合阻垢剂和阻垢器
CN107904583B (zh) * 2017-10-31 2019-12-13 天津正达科技有限责任公司 一种循环水系统清洗预膜处理方法
CN110482695B (zh) * 2019-07-31 2020-07-21 广西大学 钙化厌氧颗粒污泥的复合脱钙剂及脱钙再生工艺

Also Published As

Publication number Publication date
FR2142051B1 (it) 1978-06-02
US3751372A (en) 1973-08-07
AU4342272A (en) 1973-12-20
FR2142051A1 (it) 1973-01-26
AU466454B2 (en) 1973-12-20
CA979318A (en) 1975-12-09
NL7208291A (it) 1972-12-20
BE785050A (fr) 1972-12-18
GB1386814A (en) 1975-03-12
SE380242B (sv) 1975-11-03

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