SE9301775D0 - AGENTS FOR WATER PURIFICATION AND ITS USE - Google Patents
AGENTS FOR WATER PURIFICATION AND ITS USEInfo
- Publication number
- SE9301775D0 SE9301775D0 SE9301775A SE9301775A SE9301775D0 SE 9301775 D0 SE9301775 D0 SE 9301775D0 SE 9301775 A SE9301775 A SE 9301775A SE 9301775 A SE9301775 A SE 9301775A SE 9301775 D0 SE9301775 D0 SE 9301775D0
- Authority
- SE
- Sweden
- Prior art keywords
- alkali metal
- alkali
- metal
- water purification
- alkaline earth
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000746 purification Methods 0.000 title abstract 3
- 239000003795 chemical substances by application Substances 0.000 title 1
- 150000001340 alkali metals Chemical class 0.000 abstract 4
- 229910052783 alkali metal Inorganic materials 0.000 abstract 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 1
- ZGSDJMADBJCNPN-UHFFFAOYSA-N [S-][NH3+] Chemical compound [S-][NH3+] ZGSDJMADBJCNPN-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 abstract 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 abstract 1
- -1 alkaline earth metal thiosulphate Chemical class 0.000 abstract 1
- XYXNTHIYBIDHGM-UHFFFAOYSA-N ammonium thiosulfate Chemical compound [NH4+].[NH4+].[O-]S([O-])(=O)=S XYXNTHIYBIDHGM-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 229910052791 calcium Inorganic materials 0.000 abstract 1
- 239000011575 calcium Substances 0.000 abstract 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 abstract 1
- 239000003546 flue gas Substances 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920001021 polysulfide Polymers 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 239000011591 potassium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- CSABAZBYIWDIDE-UHFFFAOYSA-N sulfino hydrogen sulfite Chemical compound OS(=O)OS(O)=O CSABAZBYIWDIDE-UHFFFAOYSA-N 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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)
- Treating Waste Gases (AREA)
Abstract
A water purification composition is disclosed, which comprises an aqueous solution of (A) an alkali metal or alkaline earth metal hydroxide, (B) an alkali metal or ammonium sulphide or sodium, potassium or calcium polysulphides, (C) an alkali metal disulphite, (D) an alkali metal dithionite, and (E) an alkali or alkaline earth metal thiosulphate or ammonium thiosulphate. The composition is used for the treatment of polluted water containing heavy metal ions, e.g. polluted scrubber water from the purification according to the wet method of flue gases from refuse incineration.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9301775A SE501569C2 (en) | 1993-05-25 | 1993-05-25 | Means for water purification and its use |
| PCT/SE1994/000485 WO1994027917A1 (en) | 1993-05-25 | 1994-05-24 | Water purification composition and its use |
| EP94917236A EP0701536A1 (en) | 1993-05-25 | 1994-05-24 | Water purification composition and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9301775A SE501569C2 (en) | 1993-05-25 | 1993-05-25 | Means for water purification and its use |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9301775D0 true SE9301775D0 (en) | 1993-05-25 |
| SE9301775L SE9301775L (en) | 1994-11-26 |
| SE501569C2 SE501569C2 (en) | 1995-03-13 |
Family
ID=20390043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9301775A SE501569C2 (en) | 1993-05-25 | 1993-05-25 | Means for water purification and its use |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0701536A1 (en) |
| SE (1) | SE501569C2 (en) |
| WO (1) | WO1994027917A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2684631C (en) * | 2007-05-10 | 2015-10-06 | University Of Georgia Research Foundation, Inc. | Sulfur-based bulk reductants and methods of using same |
| CN108862704B (en) * | 2018-06-22 | 2020-11-10 | 成都中建材光电材料有限公司 | Treatment system for cadmium-containing wastewater and use method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3638319A1 (en) * | 1986-11-10 | 1988-05-19 | Babcock Anlagen Ag | Process for treating waste water from flue gas purification plants |
| DE8915591U1 (en) * | 1989-05-29 | 1991-02-14 | Straten, Günter, Dipl.-Ing., 5100 Aachen | Composition for treating water containing metal ions and organic and/or inorganic contaminants |
| US5122279A (en) * | 1991-04-08 | 1992-06-16 | Romar Technologies Inc. | Ferrous dithionite process and compositions for removing dissolved heavy metals from water |
-
1993
- 1993-05-25 SE SE9301775A patent/SE501569C2/en not_active IP Right Cessation
-
1994
- 1994-05-24 WO PCT/SE1994/000485 patent/WO1994027917A1/en not_active Ceased
- 1994-05-24 EP EP94917236A patent/EP0701536A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| SE9301775L (en) | 1994-11-26 |
| WO1994027917A1 (en) | 1994-12-08 |
| SE501569C2 (en) | 1995-03-13 |
| EP0701536A1 (en) | 1996-03-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |