CH670626A5 - Treatment for water moulds with ferrous content - Google Patents

Treatment for water moulds with ferrous content Download PDF

Info

Publication number: CH670626A5
Authority: CH; Switzerland
Prior art keywords: iron; water; treatment; suspended matter; iii
Prior art date: 1987-09-08

Application number

CH345487A

Other languages

German (de)

English (en)

Inventor

Heinz Bischofberger

Alfred Fuhrer

Peter Pamperl

Original Assignee

Sulzer Ag

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.)

1987-09-08

Filing date

1987-09-08

Publication date

1989-06-30

1987-09-08 Application filed by Sulzer Ag filed Critical Sulzer Ag

1987-09-08 Priority to CH345487A priority Critical patent/CH670626A5/de

1988-07-22 Priority to DK415488A priority patent/DK415488A/da

1989-06-30 Publication of CH670626A5 publication Critical patent/CH670626A5/de

Links

XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 17
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title abstract description 4
238000000034 method Methods 0.000 claims abstract description 10
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 5
239000003643 water by type Substances 0.000 claims abstract description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 53
229910052742 iron Inorganic materials 0.000 claims description 26
230000008030 elimination Effects 0.000 claims description 6
238000003379 elimination reaction Methods 0.000 claims description 6
238000001914 filtration Methods 0.000 claims description 6
238000005189 flocculation Methods 0.000 claims description 6
230000016615 flocculation Effects 0.000 claims description 6
150000002978 peroxides Chemical class 0.000 claims description 6
238000000926 separation method Methods 0.000 claims description 4
239000000463 material Substances 0.000 abstract description 3
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
229910052698 phosphorus Inorganic materials 0.000 description 9
239000011574 phosphorus Substances 0.000 description 9
230000003647 oxidation Effects 0.000 description 8
238000007254 oxidation reaction Methods 0.000 description 8
239000003651 drinking water Substances 0.000 description 5
235000020188 drinking water Nutrition 0.000 description 5
239000002245 particle Substances 0.000 description 5
150000003839 salts Chemical class 0.000 description 5
239000007787 solid Substances 0.000 description 5
239000002351 wastewater Substances 0.000 description 5
150000002500 ions Chemical class 0.000 description 4
229910019142 PO4 Inorganic materials 0.000 description 3
239000008394 flocculating agent Substances 0.000 description 3
238000010409 ironing Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
235000021317 phosphate Nutrition 0.000 description 3
-1 Iron ions Chemical class 0.000 description 2
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
230000002349 favourable effect Effects 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
239000008213 purified water Substances 0.000 description 2
238000004065 wastewater treatment Methods 0.000 description 2
241000295146 Gallionellaceae Species 0.000 description 1
PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
238000010170 biological method Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000000084 colloidal system Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000003673 groundwater Substances 0.000 description 1
159000000014 iron salts Chemical class 0.000 description 1
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
238000010899 nucleation Methods 0.000 description 1
230000006911 nucleation Effects 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
238000000053 physical method Methods 0.000 description 1
229920002401 polyacrylamide Polymers 0.000 description 1
229920000867 polyelectrolyte Polymers 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
238000000746 purification Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
239000002352 surface water Substances 0.000 description 1
238000004075 wastewater filtration Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides

Landscapes

Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)

CH345487A 1987-09-08 1987-09-08 Treatment for water moulds with ferrous content CH670626A5 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
CH345487A CH670626A5 (en)	1987-09-08	1987-09-08	Treatment for water moulds with ferrous content
DK415488A DK415488A (da)	1987-09-08	1988-07-22	Fremgangsmaade til behandling af jern-ii-holdige former for vand

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH345487A CH670626A5 (en)	1987-09-08	1987-09-08	Treatment for water moulds with ferrous content

Publications (1)

Publication Number	Publication Date
CH670626A5 true CH670626A5 (en)	1989-06-30

Family

ID=4256291

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH345487A CH670626A5 (en)	1987-09-08	1987-09-08	Treatment for water moulds with ferrous content

Country Status (2)

Country	Link
CH (1)	CH670626A5 (da)
DK (1)	DK415488A (da)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4051027A (en) *	1975-12-22	1977-09-27	International Minerals & Chemical Corporation	Settling clay-containing slimes
LU81671A1 (fr) *	1979-09-10	1981-04-17	J Wenseleers	Procede de traitement de boues residuaires

1987
- 1987-09-08 CH CH345487A patent/CH670626A5/de not_active IP Right Cessation
1988
- 1988-07-22 DK DK415488A patent/DK415488A/da not_active Application Discontinuation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4051027A (en) *	1975-12-22	1977-09-27	International Minerals & Chemical Corporation	Settling clay-containing slimes
LU81671A1 (fr) *	1979-09-10	1981-04-17	J Wenseleers	Procede de traitement de boues residuaires

Also Published As

Publication number	Publication date
DK415488A (da)	1989-03-09
DK415488D0 (da)	1988-07-22

Legal Events

Date	Code	Title	Description
2005-05-13	PL	Patent ceased

Publication	Publication Date	Title
DE2742085C3 (de)	1980-10-02	Verfahren zur Behandlung von Abwasser
DE3785357T2 (de)	1993-11-04	Abwasserbehandlung.
DE2715256A1 (de)	1977-10-27	Herstellung von aktiviertem schlamm mit verringertem volumen
DE2218180A1 (de)	1972-11-30	Verfahren zur Abwasseraufbereitung mit Schlammbelebung
DE3427310A1 (de)	1985-02-07	Verfahren zur biologischen reinigung von abwasser
DE3023968A1 (de)	1981-01-29	Verfahren fuer die chemische ausscheidung von phosphorverbindungen aus abwasser und verfahren fuer die reinigung von abwasser
DE1642404A1 (de)	1972-06-15	Verfahren zum Behandeln von Abwasser
DE2321725C3 (de)	1979-07-26	Verfahren zum Behandeln von Abwasser
DE3904575C2 (da)	1991-07-25
US5154830A (en)	1992-10-13	Process of removing phosphorus and suspended matter from waste water
DE2118486A1 (de)	1971-10-28	Verfahren zum Reinigen von Wasser, das organische Stoffe enthält
CH538999A (de)	1973-08-31	Belebtschlammabwasserreinigungsverfahren
DE69512656T2 (de)	2000-06-08	Verfahren zum säubern von molkereispülwasser
DE3838864C2 (da)	1991-12-05
WO2018197671A1 (de)	2018-11-01	Verfahren und vorrichtung zur aufbereitung von abfallprodukten
DE69407810T2 (de)	1998-08-27	Verfahren zur aufbereitung von säurehaltigen flüssigkeiten zur herstellung eines handelsprodukts
CH670626A5 (en)	1989-06-30	Treatment for water moulds with ferrous content
DE3004121A1 (de)	1980-08-28	Verfahren zur chemischen reinigung von auch geloeste organische verunreinigungen enthaltenden abwaessern
EP0158269B1 (de)	1989-07-19	Verfahren zur Bereitung und Reinigung wässriger Calciumhydroxid-Lösungen
DE3001929A1 (de)	1981-07-30	Faellungsmittel
EP0035248B1 (de)	1984-07-11	Verfahren und Vorrichtung zur biologischen Reinigung von Abwasser
AT143455B (de)	1935-11-11	Verfahren zur Reinigung von Siel- und ähnlichen Abwässern.
DE2227963C2 (de)	1982-11-18	Verfahren zur Reinigung von Wasser
DE1959433A1 (de)	1970-11-05	Verfahren zur Herabsetzung des Phosphatgehalts von Schlamm
DE2214756C3 (de)	1980-02-21	Verfahren zur Klärung von Stadtwasser