CA2215395A1 - Scale control in aqueous industrial systems - Google Patents

Scale control in aqueous industrial systems Download PDF

Info

Publication number
CA2215395A1
CA2215395A1 CA002215395A CA2215395A CA2215395A1 CA 2215395 A1 CA2215395 A1 CA 2215395A1 CA 002215395 A CA002215395 A CA 002215395A CA 2215395 A CA2215395 A CA 2215395A CA 2215395 A1 CA2215395 A1 CA 2215395A1
Authority
CA
Canada
Prior art keywords
composition
scales
polyphosphate
amount
weight
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002215395A
Other languages
English (en)
French (fr)
Inventor
C. W. Yates
P. M. Hoekstra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Buckman Laboratories International Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2215395A1 publication Critical patent/CA2215395A1/en
Abandoned legal-status Critical Current

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)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Steroid Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA002215395A 1995-03-17 1996-03-15 Scale control in aqueous industrial systems Abandoned CA2215395A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40596295A 1995-03-17 1995-03-17
US08/405,962 1995-03-17

Publications (1)

Publication Number Publication Date
CA2215395A1 true CA2215395A1 (en) 1996-09-26

Family

ID=23605950

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002215395A Abandoned CA2215395A1 (en) 1995-03-17 1996-03-15 Scale control in aqueous industrial systems

Country Status (9)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA03009405A (es) 2001-04-16 2004-01-29 Buckman Labor Inc PROCESO Y SISTEMA PARA LA REMOCIoN DE LA ACUMULACIoN DE INCRUSTACIoN.
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
DE3475700D1 (en) * 1983-03-07 1989-01-26 Calgon Corp Polymeric additives for water
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
EP0451434B1 (en) * 1990-04-13 1994-08-03 Denac N.V. Method for controlling deposits and corrosion in water treatment applications
EP0638049B2 (de) * 1993-02-17 2005-10-26 Wegmüller, Marcel Christian Verfahren zur verhinderung von ablagerungen in einem bauwerksentwässerungssystem

Also Published As

Publication number Publication date
BR9609078A (pt) 1999-02-02
MX9707029A (es) 1997-11-29
WO1996029291A1 (en) 1996-09-26
NO974279L (no) 1997-09-16
JPH11502763A (ja) 1999-03-09
CZ290697A3 (cs) 1998-03-18
AU5176096A (en) 1996-10-08
SK125397A3 (en) 1998-02-04
EP0815060A1 (en) 1998-01-07
NO974279D0 (no) 1997-09-16

Similar Documents

Publication Publication Date Title
CA2537808C (en) Use of cerium salts to inhibit manganese deposition in water systems
US4640793A (en) Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
EP1192108B1 (en) Use of polyvalent metal carbonate for preventing scaling
US4936987A (en) Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US3879288A (en) Process of inhibiting scale formation on walls of structures containing an aqueous system
US6207079B1 (en) Scale and/or corrosion inhibiting composition
US4600524A (en) Composition and method for inhibiting scale
ZA200200402B (en) Methods of preventing scaling involving inorganic compositions, and compositions therefor.
JPH07155558A (ja) 逆浸透装置におけるスケールの生成防止及び／又は鉄の分散方法
US6063290A (en) Method for controlling scale using synergistic phosphonate blends
US5000856A (en) Method for controlling scale deposition in aqueous systems using allyl sulfonate/maleic anhydride polymers
EP0711733B1 (en) Polyether polyamino methylene phosphonates for high pH scale control
CA2062210A1 (en) Mixed polymers for preventing scale caused by mineral processing water
CA2215395A1 (en) Scale control in aqueous industrial systems
US5772893A (en) Ether diphosphonate scale inhibitors
GB2306465A (en) Scale inhibition using alkanolamine methylene phosphonate
CA1224999A (en) Composition and method for inhibiting scale
AU1953400A (en) Scale control in aqueous industrial systems
EP0628518B1 (en) Process of inhibition oxalate scale formation
MXPA97007029A (en) Control of adjustments in aqua industrial systems
NZ225541A (en) Inhibition of caco 3 scaling using a polymer/phosphonate mixture
Amjad et al. Comparative Performance of Natural, Hybrid, and Synthetic Polymers Containing Different Functional Groups as Strontium Sulfate Scale Inhibitors
US4253969A (en) Deposit control through the use of oligomeric phosphonic acid derivatives
Nicolas et al. Inhibitory Activity of Biopolymers, Synthetic Polymers, and Phosphonates against the Formation of Calcium Phosphate Scale in Cooling Water Systems
Amjad et al. INHIBITION OF CALCIUM PHOSPHATE PRECIPITATION BY POLYMERSINTHEPRESENCE OFIRON (III). THE INFLUENCE OF CHELATING AGENTS

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued