PT83663B - Metodo para a estabilizacao de ferro em sistemas aquosos - Google Patents

Metodo para a estabilizacao de ferro em sistemas aquosos

Info

Publication number
PT83663B
PT83663B PT83663A PT8366386A PT83663B PT 83663 B PT83663 B PT 83663B PT 83663 A PT83663 A PT 83663A PT 8366386 A PT8366386 A PT 8366386A PT 83663 B PT83663 B PT 83663B
Authority
PT
Portugal
Prior art keywords
stabilization
iron
aqueous systems
aqueous
systems
Prior art date
Application number
PT83663A
Other languages
English (en)
Other versions
PT83663A (en
Inventor
Zahid Amjad
William Frank Masler Iii
Original Assignee
Goodrich Co B F
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 Goodrich Co B F filed Critical Goodrich Co B F
Publication of PT83663A publication Critical patent/PT83663A/pt
Publication of PT83663B publication Critical patent/PT83663B/pt

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
PT83663A 1985-11-01 1986-10-31 Metodo para a estabilizacao de ferro em sistemas aquosos PT83663B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/793,815 US4707271A (en) 1985-11-01 1985-11-01 Stabilization of iron in aqueous systems

Publications (2)

Publication Number Publication Date
PT83663A PT83663A (en) 1986-11-01
PT83663B true PT83663B (pt) 1989-05-31

Family

ID=25160879

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83663A PT83663B (pt) 1985-11-01 1986-10-31 Metodo para a estabilizacao de ferro em sistemas aquosos

Country Status (11)

Country Link
US (1) US4707271A (pt)
EP (1) EP0220726A3 (pt)
JP (1) JPS62110799A (pt)
KR (1) KR870004909A (pt)
CN (1) CN1005969B (pt)
AU (1) AU587077B2 (pt)
BR (1) BR8605395A (pt)
DK (1) DK522086A (pt)
IN (1) IN170621B (pt)
PT (1) PT83663B (pt)
ZA (1) ZA868155B (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4919821A (en) * 1986-03-21 1990-04-24 Nalco Chemical Company Modified maleic anhydride polymers and the like for use as scale inhibitors
US4818506A (en) * 1988-01-15 1989-04-04 Nalco Chemical Company Gypsum scale inhibitors for flue gas desulfurization systems
US4869828A (en) * 1988-02-26 1989-09-26 Nalco Chemical Company Stabilization of iron in aqueous systems
JPH07119951B2 (ja) * 1988-08-05 1995-12-20 富士写真フイルム株式会社 熱現像感光材料
US5035806A (en) * 1989-05-15 1991-07-30 Nalco Chemical Company Scaling salt threshold inhibition and dispersion with hydrophilic/hydrophobic polymers
US4937002A (en) * 1989-06-12 1990-06-26 National Starch And Chemical Investment Holding Corporation Interpolymers for barium sulphate inhibition
DE4004953C3 (de) * 1990-02-19 1998-01-29 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von neutralisierten Polyacrylsäuren und ihre Verwendung als Mahl- und Dispergierhilfsmittel
US5302293A (en) * 1992-07-13 1994-04-12 Nalco Chemical Company Method of controlling iron in produced oilfield waters
US9052289B2 (en) * 2010-12-13 2015-06-09 Schlumberger Technology Corporation Hydrogen sulfide (H2S) detection using functionalized nanoparticles
JP5862193B2 (ja) * 2011-10-18 2016-02-16 栗田工業株式会社 蒸気発生器の水側缶内における鉄スケール防止方法
JP5903953B2 (ja) * 2012-03-15 2016-04-13 栗田工業株式会社 蒸気発生器の鉄スケール防止剤及び防止方法
CN104692515A (zh) * 2015-02-04 2015-06-10 华东理工大学 一种加强活化过氧化钙去除水中氯代烯烃的方法
CN115612015B (zh) * 2022-12-19 2023-04-28 山东泰和科技股份有限公司 一种水溶性综合阻垢剂及其制备方法和在水处理中的应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386005A (en) * 1981-01-06 1983-05-31 Chemical Sciences, Inc. Scale inhibitor for reverse osmosis water purification system
US4434059A (en) * 1981-02-02 1984-02-28 Johnson Donald A Polymers for prevention of fouling by iron oxides in cooling systems
US4361492A (en) * 1981-04-09 1982-11-30 Nalco Chemical Company Particulate dispersant enhancement using acrylamide-acrylic acid copolymers
US4431547A (en) * 1981-08-24 1984-02-14 Nalco Chemical Company Use of acrylamide/acrylic acid copolymers for prevention of fouling by Ca3 (PO4)2
US4387027A (en) * 1981-10-09 1983-06-07 Betz Laboratories, Inc. Control of iron induced fouling in water systems
US4432884A (en) * 1982-07-19 1984-02-21 Katayama Chemical Works Co., Ltd. Scale inhibiting agent
FR2536383A1 (fr) * 1982-11-24 1984-05-25 Elf Aquitaine Procede et produit pour l'empechement de l'entartrage par des eaux
CA1234033A (en) * 1983-10-26 1988-03-15 Fu Chen Water treatment polymers and methods of use thereof
US4566973A (en) * 1984-08-06 1986-01-28 The B. F. Goodrich Company Scale inhibition in water systems

Also Published As

Publication number Publication date
IN170621B (pt) 1992-04-25
CN86107456A (zh) 1987-07-01
PT83663A (en) 1986-11-01
CN1005969B (zh) 1989-12-06
EP0220726A2 (en) 1987-05-06
AU6429586A (en) 1987-05-07
EP0220726A3 (en) 1988-11-30
JPS62110799A (ja) 1987-05-21
AU587077B2 (en) 1989-08-03
KR870004909A (ko) 1987-06-02
US4707271A (en) 1987-11-17
ZA868155B (en) 1987-08-26
BR8605395A (pt) 1987-08-11
DK522086D0 (da) 1986-10-31
DK522086A (da) 1987-05-02

Similar Documents

Publication Publication Date Title
MX164491B (es) Metodo mejorado para estabilizar sistemas acuosos
EP0222537A3 (en) Systems and methods for creating rounded work surfaces by photoblation
GB8602591D0 (en) Aqueous polyurethane-polyolefin composition
EP0206489A3 (en) Calcium-tolerant n-substituted acrylamides as thickeners for aqueous systems
PT83663B (pt) Metodo para a estabilizacao de ferro em sistemas aquosos
GB8428258D0 (en) Inhibiting corrosion in aqueous systems
MX2781A (es) Inhibidor de espuma para sistemas acuosos
GB8407150D0 (en) Inhibiting corrosion in aqueous systems
GB2170196B (en) Bisimidazolium salts
ZA869161B (en) 5-perfluoroacylamino-4-nitro-1-arylpyrazole salts
PT82707A (pt) Reactor para apolimeracao em sistemas concentrados
DE3562234D1 (en) Method for purifying aqueous acrylamide solution
DE3665171D1 (en) Radical-ion salts
EP0522598A3 (en) Locating systems
PT82008A (en) Alkanolamine derivatives
GB2176229B (en) Structural beam
GB2176200B (en) Process for the preparation of heparin salts
IT1188175B (it) Soluzioni di diammonio solfato inibite per la corrosione
ZA858571B (en) Beam formwork
GB8608836D0 (en) Salt
NO168598C (no) Sikkerhetsventil for marint stigeroer
IE850743L (en) Ceftazidime salts
IE850882L (en) Phenoxypropanolamine salts
LT2597B (lt) Sulfoadenozil-l-metionino druskos gavimo budas
PL253439A3 (en) Corrosion preventing agent

Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19920531