BR9609078A - Composição e método para controlar a formação de escamas inorgánicas sobre superfícies em um sistema aquoso - Google Patents

Composição e método para controlar a formação de escamas inorgánicas sobre superfícies em um sistema aquoso

Info

Publication number
BR9609078A
BR9609078A BR9609078A BR9609078A BR9609078A BR 9609078 A BR9609078 A BR 9609078A BR 9609078 A BR9609078 A BR 9609078A BR 9609078 A BR9609078 A BR 9609078A BR 9609078 A BR9609078 A BR 9609078A
Authority
BR
Brazil
Prior art keywords
formation
composition
controlling
aqueous system
inorganic scales
Prior art date
Application number
BR9609078A
Other languages
English (en)
Inventor
P M Hoekstra
C W Yates
Original Assignee
Buckman Labor 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 Buckman Labor Inc filed Critical Buckman Labor Inc
Publication of BR9609078A publication Critical patent/BR9609078A/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
    • C02F5/086—Condensed phosphates
    • 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
    • C02F5/14—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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Paper (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
BR9609078A 1995-03-17 1996-03-15 Composição e método para controlar a formação de escamas inorgánicas sobre superfícies em um sistema aquoso BR9609078A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40596295A 1995-03-17 1995-03-17
PCT/US1996/002698 WO1996029291A1 (en) 1995-03-17 1996-03-15 Scale control in aqueous industrial systems

Publications (1)

Publication Number Publication Date
BR9609078A true BR9609078A (pt) 1999-02-02

Family

ID=23605950

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9609078A BR9609078A (pt) 1995-03-17 1996-03-15 Composição e método para controlar a formação de escamas inorgánicas sobre superfícies em um sistema aquoso

Country Status (9)

Country Link
EP (1) EP0815060A1 (pt)
JP (1) JPH11502763A (pt)
AU (1) AU5176096A (pt)
BR (1) BR9609078A (pt)
CA (1) CA2215395A1 (pt)
CZ (1) CZ290697A3 (pt)
NO (1) NO974279D0 (pt)
SK (1) SK125397A3 (pt)
WO (1) WO1996029291A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1531615A (zh) * 2001-04-16 2004-09-22 巴科曼实验室国际公司 用于除去结垢积累的方法和系统
JP2004293028A (ja) * 2003-03-13 2004-10-21 Hakuto Co Ltd 水系における硫酸バリウムのスケール抑制剤およびスケール抑制方法
US20100028202A1 (en) * 2008-07-30 2010-02-04 Zhaoyang Wan Proactive control system for an industrial water system
JP5615049B2 (ja) * 2010-06-07 2014-10-29 伯東株式会社 硫酸バリウムスケール防止方法
JP5435080B2 (ja) * 2012-05-24 2014-03-05 栗田工業株式会社 スケールの防止方法
JP6115730B2 (ja) * 2014-01-10 2017-04-19 住友金属鉱山株式会社 液体分析方法、金属回収方法およびスケール再発生抑制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146279A (en) * 1977-05-26 1978-12-20 Kurita Water Ind Ltd Corrosion, scale, and stain inhibitor in aqueous system
CA1258963A (en) * 1983-03-07 1989-09-05 Bennett P. Boffardi Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4600524A (en) * 1983-12-08 1986-07-15 W. R. Grace & Co. Composition and method for inhibiting scale
AU612603B2 (en) * 1986-11-13 1991-07-18 B.F. Goodrich Company, The Calcium phosphonate scale inhibition
EP0311072A3 (en) * 1987-10-08 1989-06-07 The B.F. Goodrich Company Stabilization of metal ions and dispersion of particulates in aqueous systems
US4834955A (en) * 1988-04-26 1989-05-30 Nalco Chemical Company Chemical formulation and combined process for inhibiting deposition and corrosion in cooling water and gypsum scaling in flue gas desulfurization scrubber systems
DE69011316T2 (de) * 1990-04-13 1995-02-16 Denac Nv Verfahren zur Vorbeugung von Ablagerungen und Korrosion in Wasserbehandlungssystemen.
JPH09506028A (ja) * 1993-02-17 1997-06-17 ドイッチェ ナルコ−ヒェミー ゲーエムベーハー 建造物排水系内の堆積を阻止する方法

Also Published As

Publication number Publication date
CZ290697A3 (cs) 1998-03-18
AU5176096A (en) 1996-10-08
NO974279L (no) 1997-09-16
NO974279D0 (no) 1997-09-16
CA2215395A1 (en) 1996-09-26
MX9707029A (es) 1997-11-29
SK125397A3 (en) 1998-02-04
EP0815060A1 (en) 1998-01-07
JPH11502763A (ja) 1999-03-09
WO1996029291A1 (en) 1996-09-26

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 6A, 7A, 8A, 9A, 10A, 11A, 12A, 13A, 14A E 15A ANUIDADE(S).

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2114 DE 12/07/2011 E A 16A ANUIDADE.