ATE56687T1 - Verfahren zur verhuetung von durch phosphate verursachten metallionenniederschlaegen in wasser. - Google Patents

Verfahren zur verhuetung von durch phosphate verursachten metallionenniederschlaegen in wasser.

Info

Publication number: ATE56687T1
Authority: AT; Austria
Prior art keywords: metal ion; water; phosphate; preventing metal; ion deposition
Prior art date: 1986-07-30

Application number

AT86201341T

Other languages

English (en)

Inventor

Peter Thevissen

Original Assignee

Denac Nv

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.)

1986-07-30

Filing date

1986-07-30

Publication date

1990-10-15

1986-07-30 Application filed by Denac Nv filed Critical Denac Nv

1990-10-15 Application granted granted Critical

1990-10-15 Publication of ATE56687T1 publication Critical patent/ATE56687T1/de

Links

XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 2
229910019142 PO4 Inorganic materials 0.000 title 1
238000002385 metal-ion deposition Methods 0.000 title 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title 1
239000010452 phosphate Substances 0.000 title 1
125000000217 alkyl group Chemical group 0.000 abstract 2
229910052739 hydrogen Inorganic materials 0.000 abstract 2
239000001257 hydrogen Substances 0.000 abstract 2
125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 2
229910021645 metal ion Inorganic materials 0.000 abstract 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 abstract 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
229910052791 calcium Inorganic materials 0.000 abstract 1
239000011575 calcium Substances 0.000 abstract 1
229920001577 copolymer Polymers 0.000 abstract 1
150000002762 monocarboxylic acid derivatives Chemical class 0.000 abstract 1
239000000178 monomer Substances 0.000 abstract 1
150000007530 organic bases Chemical class 0.000 abstract 1
229910052725 zinc Inorganic materials 0.000 abstract 1
239000011701 zinc Substances 0.000 abstract 1

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
- 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
- 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)
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)
Inorganic Chemistry (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)

AT86201341T 1986-07-30 1986-07-30 Verfahren zur verhuetung von durch phosphate verursachten metallionenniederschlaegen in wasser. ATE56687T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP86201341A EP0254774B1 (de)	1986-07-30	1986-07-30	Verfahren zur Verhütung von durch phosphate verursachten Metallionenniederschlägen in Wasser

Publications (1)

Publication Number	Publication Date
ATE56687T1 true ATE56687T1 (de)	1990-10-15

Family

ID=8195773

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT86201341T ATE56687T1 (de)	1986-07-30	1986-07-30	Verfahren zur verhuetung von durch phosphate verursachten metallionenniederschlaegen in wasser.

Country Status (3)

Country	Link
EP (1)	EP0254774B1 (de)
AT (1)	ATE56687T1 (de)
DE (1)	DE3674407D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4783267A (en) *	1987-06-29	1988-11-08	Calgon Corporation	Method for stabilizing metal ions

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1038850B (it) *	1974-06-10	1979-11-30	Grace W R & Co	Processo per il trattamento di acque
CA1234033A (en) *	1983-10-26	1988-03-15	Fu Chen	Water treatment polymers and methods of use thereof
US4575425A (en) *	1984-12-24	1986-03-11	Calgon Corporation	Process for controlling calcium oxalate scale over a wide pH range

1986
- 1986-07-30 DE DE8686201341T patent/DE3674407D1/de not_active Expired - Fee Related
- 1986-07-30 EP EP86201341A patent/EP0254774B1/de not_active Expired
- 1986-07-30 AT AT86201341T patent/ATE56687T1/de active

Also Published As

Publication number	Publication date
DE3674407D1 (de)	1990-10-25
EP0254774A1 (de)	1988-02-03
EP0254774B1 (de)	1990-09-19

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