DK200000761A - Composition and method for removing the phosphatlon content from water - Google Patents
Composition and method for removing the phosphatlon content from water Download PDFInfo
- Publication number
- DK200000761A DK200000761A DK200000761A DKPA200000761A DK200000761A DK 200000761 A DK200000761 A DK 200000761A DK 200000761 A DK200000761 A DK 200000761A DK PA200000761 A DKPA200000761 A DK PA200000761A DK 200000761 A DK200000761 A DK 200000761A
- Authority
- DK
- Denmark
- Prior art keywords
- composition
- water
- content
- phosphatlon
- calcium
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 6
- 150000002506 iron compounds Chemical class 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 5
- 229910001424 calcium ion Inorganic materials 0.000 description 5
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical class [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- RVUXIPACAZKWHU-UHFFFAOYSA-N sulfuric acid;heptahydrate Chemical compound O.O.O.O.O.O.O.OS(O)(=O)=O RVUXIPACAZKWHU-UHFFFAOYSA-N 0.000 description 1
- 239000010457 zeolite Substances 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (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)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Water Treatment By Sorption (AREA)
Description
Patentkrav:claims:
1. En komposition til fjernelse af phosphationindholdet fra vand, hvilken komposition indeholder 0,1 til 99,9 massedele af en jernforbindelse valgt fra gruppen af faste vandholdige Fe(II)- og Fe(III)-salte og deres oxiderede tilstande, formalet sammen med 99,9 til 0,1 massedele af en porøs aluminiumsilikat indeholdende ombyttelige ioner, og 0,1 til 10 mol af en calciumionkilde, nemlig calciumkarbonat sammen med enten calciumoxid eller calciumhydroxid eller begge pr. mol jernforbindelse. 2. Kompositionen ifølge krav 1, hvilken komposition indeholder Fe (II)-sulfatheptahydrat som jernforbindelse. 3. Kompositionen ifølge krav 1 eller 2, hvilken komposition indeholder en naturlig eller syntetisk zeolit så som aluminiumsilikat. 4. Kompositionen ifølge krav 1 til 3, hvilken komposition indeholder en blanding af calciumhydroxid og calciumkarbonat som calciumionkilde. 5. Kompositionen ifølge krav 1 til 4, hvilken komposition indeholder 25 til 75 massedele af en jernforbindelse. 6. Kompositionen ifølge krav 1 til 5, hvilken komposition indeholder 25 til 75 massedele af en aluminiumsilikat. 7. Kompositionen ifølge krav 1 til 6, hvilken komposition indeholder jernforbindelsen og calciumionkilden i molforholdet 1:(0,5-3) jern:calcium. 8. Kompositionen ifølge krav 1 til 7, hvilken komposition indeholder jernforbindelsen og calciumionkilden i molforholdet 1:(0,9 til 1,2) jern:calcium. 9. En metode til fremstilling af en komposition nyttig til fjernelse af phosphationindholdet fra vand, hvilken komposition indeholder mekanokemisk aktiverende ved formaling en blanding af 0,1 til 99,9 massedele af en eller flere jernforbindelser valgt fra gruppen af faste vandholdige Fe(II)- og Fe(III)-salte og deres oxiderede tilstande, 99,9 til 0,1 massedele af en porøs aluminiumsilikat indeholdende ombyttelige ioner, og 0,1 til 10 mol af en calciumionkilde, nemlig calciumkarbonat sammen med enten calciumoxid eller calciumhydroxid eller begge pr. mol jernforbindelse. 10. En metode til fjernelse af phosphationindholdet fra vand, hvilken metode omfatter, at vandet bliver behandlet med en komposition ifølge krav 1 til 8. 11. Metoden ifølge krav 10, hvilken metode indeholder behandling af vand ved pH-værdi 4 til 8.A composition for removing the phosphate content from water containing 0.1 to 99.9 parts by mass of an iron compound selected from the group of solid aqueous Fe (II) and Fe (III) salts and their oxidized states, ground together with 99.9 to 0.1 parts by mass of a porous aluminum silicate containing exchangeable ions, and 0.1 to 10 moles of a calcium ion source, namely calcium carbonate, together with either calcium oxide or calcium hydroxide, or both. moles of iron compound. The composition of claim 1, which contains Fe (II) sulfate heptahydrate as an iron compound. The composition of claim 1 or 2, which contains a natural or synthetic zeolite such as aluminum silicate. The composition of claims 1 to 3, which contains a mixture of calcium hydroxide and calcium carbonate as calcium ion source. The composition of claims 1 to 4, which contains 25 to 75 parts by mass of an iron compound. The composition of claims 1 to 5, comprising 25 to 75 parts by mass of an aluminum silicate. The composition of claims 1 to 6, which contains the iron compound and the calcium ion source in the molar ratio of 1: (0.5-3) iron: calcium. The composition of claims 1 to 7, which contains the iron compound and calcium ion source in the molar ratio of 1: (0.9 to 1.2) iron: calcium. A method of preparing a composition useful for removing the phosphate content from water which contains mechanochemically activating by grinding a mixture of 0.1 to 99.9 parts by mass of one or more iron compounds selected from the group of solid aqueous Fe (II) and Fe (III) salts and their oxidized states, 99.9 to 0.1 parts by mass of a porous aluminum silicate containing exchangeable ions, and 0.1 to 10 moles of a calcium ion source, namely calcium carbonate together with either calcium oxide or calcium hydroxide or both per. moles of iron compound. A method for removing the phosphate content from water, the method comprising treating the water with a composition according to claims 1 to 8. The method according to claim 10, which comprises treating water at pH 4 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU9701918A HUP9701918A2 (en) | 1997-11-07 | 1997-11-07 | Method and composition for removing of phosphor contain of water |
| PCT/HU1998/000096 WO1999024365A1 (en) | 1997-11-07 | 1998-11-06 | Composition and process for the removal of the phosphate ion content of waters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK200000761A true DK200000761A (en) | 2000-06-29 |
Family
ID=89995724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK200000761A DK200000761A (en) | 1997-11-07 | 2000-05-08 | Composition and method for removing the phosphatlon content from water |
Country Status (10)
| Country | Link |
|---|---|
| AU (1) | AU749564B2 (en) |
| DE (1) | DE19882795T1 (en) |
| DK (1) | DK200000761A (en) |
| FI (1) | FI20001077A (en) |
| GB (1) | GB2346875A (en) |
| HU (1) | HUP9701918A2 (en) |
| NO (1) | NO20002436L (en) |
| NZ (1) | NZ504824A (en) |
| SE (1) | SE0001712L (en) |
| WO (1) | WO1999024365A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3629634A1 (en) * | 1986-08-30 | 1988-03-03 | Swf Auto Electric Gmbh | ELECTRICAL MACHINE, ESPECIALLY ELECTRIC MOTOR |
| FI117162B (en) * | 2005-06-17 | 2006-07-14 | Maa Ja Elintarviketalouden Tut | Filter material for removing phosphor from waste water originating from e.g. scattered settlement and/or leachate, comprises lightweight aggregate, calcium hydroxide and water which have been mixed by grinding during preparation |
| CN102328984B (en) * | 2011-08-11 | 2013-08-14 | 四川龙蟒钛业股份有限公司 | Processing method of waste water in phosphorus chemical industry |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2801034A1 (en) * | 1978-01-11 | 1979-07-12 | Hoechst Ag | FLOCCULATING AGENT FOR CLEANING WASTE WATER |
| JPS57135012A (en) * | 1981-02-13 | 1982-08-20 | Minato Sangyo Kk | Water treating agent |
| US4415467A (en) * | 1981-03-05 | 1983-11-15 | Colloid Piepho | Agent for the purification of waste waters and process for its production |
| EP0612692B1 (en) * | 1993-02-26 | 1999-01-20 | Createrra Inc. | Method for production of water purifying substances |
| JPH08168607A (en) * | 1994-12-15 | 1996-07-02 | Kanken:Kk | Cutting oil flocculating treatment agent |
| JPH09225208A (en) * | 1996-02-21 | 1997-09-02 | Kunimine Kogyo Kk | Sewage treating agent and treating method |
-
1997
- 1997-11-07 HU HU9701918A patent/HUP9701918A2/en unknown
-
1998
- 1998-11-06 NZ NZ504824A patent/NZ504824A/en unknown
- 1998-11-06 WO PCT/HU1998/000096 patent/WO1999024365A1/en active IP Right Grant
- 1998-11-06 AU AU12537/99A patent/AU749564B2/en not_active Ceased
- 1998-11-06 DE DE19882795T patent/DE19882795T1/en not_active Withdrawn
- 1998-11-06 GB GB0013638A patent/GB2346875A/en not_active Withdrawn
-
2000
- 2000-05-08 DK DK200000761A patent/DK200000761A/en not_active Application Discontinuation
- 2000-05-08 FI FI20001077A patent/FI20001077A/en unknown
- 2000-05-08 SE SE0001712A patent/SE0001712L/en not_active Application Discontinuation
- 2000-05-11 NO NO20002436A patent/NO20002436L/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU1253799A (en) | 1999-05-31 |
| NO20002436L (en) | 2000-06-02 |
| NO20002436D0 (en) | 2000-05-11 |
| GB2346875A (en) | 2000-08-23 |
| WO1999024365A1 (en) | 1999-05-20 |
| HUP9701918A2 (en) | 2003-03-28 |
| DE19882795T1 (en) | 2001-03-29 |
| NZ504824A (en) | 2001-10-26 |
| GB0013638D0 (en) | 2000-07-26 |
| FI20001077A (en) | 2000-06-27 |
| SE0001712D0 (en) | 2000-05-08 |
| HU9701918D0 (en) | 1998-01-28 |
| AU749564B2 (en) | 2002-06-27 |
| SE0001712L (en) | 2000-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |