DK706888A - Fremgangsmaade til udskillelse af tungmetaller fra spildevand samt faeldningsmiddel til gennemfoerelse af fremgangsmaaden og fremgangsmaaden til fremstilling af faeldningsmidlet - Google Patents
Fremgangsmaade til udskillelse af tungmetaller fra spildevand samt faeldningsmiddel til gennemfoerelse af fremgangsmaaden og fremgangsmaaden til fremstilling af faeldningsmidletInfo
- Publication number
- DK706888A DK706888A DK706888A DK706888A DK706888A DK 706888 A DK706888 A DK 706888A DK 706888 A DK706888 A DK 706888A DK 706888 A DK706888 A DK 706888A DK 706888 A DK706888 A DK 706888A
- Authority
- DK
- Denmark
- Prior art keywords
- heavy metals
- procedure
- sulphide
- earth metal
- precipitant
- Prior art date
Links
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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/42—Sulfides or polysulfides of magnesium, calcium, strontium, or barium
-
- 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
- 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
- C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3822922A DE3822922C2 (de) | 1988-07-07 | 1988-07-07 | Verfahren zur Abtrennung von Schwermetallen aus Abwässern durch Sulfidfällung mittels Calciumpolysulfid |
DE3822922 | 1988-07-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK706888D0 DK706888D0 (da) | 1988-12-20 |
DK706888A true DK706888A (da) | 1990-01-08 |
DK172048B1 DK172048B1 (da) | 1997-09-29 |
Family
ID=6358102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK706888A DK172048B1 (da) | 1988-07-07 | 1988-12-20 | Fremgangsmåde til udskillelse af tungmetaller fra spildevand |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0349671B1 (da) |
AT (1) | ATE133639T1 (da) |
DE (2) | DE3822922C2 (da) |
DK (1) | DK172048B1 (da) |
HU (1) | HU207498B (da) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8915591U1 (de) * | 1989-05-29 | 1991-02-14 | Straten, Günter, Dipl.-Ing., 5100 Aachen | Zusammensetzung zum Behandeln von Metallionen und organische und/oder anorganische Verunreinigungen enthaltendem Wasser |
DE4013974C1 (da) * | 1990-04-30 | 1991-09-19 | Guenter Dipl.-Ing. 5100 Aachen De Straten | |
DE4037326A1 (de) * | 1990-11-23 | 1992-05-27 | Henkel Kgaa | Abtrennung von schwermetallionen |
US5122279A (en) * | 1991-04-08 | 1992-06-16 | Romar Technologies Inc. | Ferrous dithionite process and compositions for removing dissolved heavy metals from water |
DE4128353A1 (de) * | 1991-08-27 | 1993-03-04 | Basf Ag | Verfahren zur abtrennung von schwerloesliche sulfide bildenden metallen aus technischen abwaessern |
US5762807A (en) * | 1993-03-18 | 1998-06-09 | Straten; Guenter | Composition and process for treating water and gas streams containing heavy metals and other pollutants |
DE19615988C2 (de) * | 1996-04-09 | 2000-02-03 | Desselmann Chemie Gmbh | Mittel zur Dekontamination von Abwässern, dessen Herstellung und Verwendung |
US6896817B2 (en) * | 2002-04-15 | 2005-05-24 | Gregory S. Bowers | Essentially insoluble heavy metal sulfide slurry for wastewater treatment |
DE10336534A1 (de) * | 2003-08-05 | 2005-02-24 | Stockhausen Gmbh | Verfahren zur Verminderung der Schwermetallkonzentration in Abwasseraufbereitungsschlämmen |
DE102008005742A1 (de) | 2008-01-23 | 2009-07-30 | Vosteen Consulting Gmbh | Verfahren zur verbesserten und kostengünstigen nassen Abscheidung von Quecksilber aus Rauchgasen |
RU2523478C1 (ru) * | 2012-12-07 | 2014-07-20 | Государственное унитарное предприятие "Институт нефтехимпереработки Республики Башкортостан" (ГУП "ИНХП РБ") | Способ получения растворов полисульфида кальция |
CN103663662B (zh) * | 2013-12-05 | 2015-11-18 | 乐山市洁宇纳米应用技术研究所 | 一种水解四氯化硅产物降解重金属铅的方法 |
CN104174645A (zh) * | 2014-08-29 | 2014-12-03 | 四川普丽环保科技有限公司 | 一种利用处理四氯化硅得到的水合硅酸钙修复土壤重金属污染的方法 |
RU2601333C1 (ru) * | 2015-07-27 | 2016-11-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Челябинский государственный педагогический университет" (ФГБОУ ВПО "ЧГПУ") | Способ осаждения тяжелых цветных металлов из промышленных растворов и/или стоков |
DE102016008185A1 (de) | 2016-07-04 | 2018-01-04 | Sven Herrmann | Salz zur Reinigung von einer Flüssigkeit und/oder einem Gas |
US10968126B2 (en) | 2017-07-07 | 2021-04-06 | Katz Water Tech, Llc | Pretreatment of produced water to facilitate improved metal extraction |
CN115321721B (zh) * | 2022-08-19 | 2023-11-03 | 广东省中鼎检测技术有限公司 | 一种针对实验室废液的重金属回收以及污水降解的处理方法 |
CN115678562A (zh) * | 2022-11-05 | 2023-02-03 | 昆明理工大学 | 利用磷石膏制备土壤重金属钝化剂的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH89697A (fr) * | 1920-03-03 | 1921-06-16 | Bruttini Arturo | Procédé pour la régénération des matières ayant servi à l'épuration du gaz d'éclairage avec récupération simultanée de leur soufre sous forme d'un mélange concentré de polysulfures de calcium ferrugineux. |
DE1800886B1 (de) * | 1968-08-07 | 1970-03-05 | Kali Chemie Ag | Verfahren zur Herstellung von festem stabilem Bariumpolysulfid |
DE2257364A1 (de) * | 1972-11-23 | 1974-05-30 | Hoellmueller Maschbau H | Verfahren und vorrichtung zum reinigen von kupferhaltigen ammoniakalischen loesungen |
US4329224A (en) * | 1980-11-14 | 1982-05-11 | General Electric Company | Wastewater treatment process |
US4354942A (en) * | 1980-11-26 | 1982-10-19 | Olin Corporation | Stabilization of mercury in mercury-containing materials |
DE3044593C2 (de) * | 1980-11-27 | 1983-07-21 | Rütgerswerke AG, 6000 Frankfurt | "Verwendung von Polysulfidverbindungen und Verfahren zur selektiven Entfernung des Cadmiums aus wäßrigen Lösungen" |
US4462913A (en) * | 1981-11-09 | 1984-07-31 | General Electric Company | Process for treating wastewater containing fat and heavy metal ions |
US4432880A (en) * | 1981-12-10 | 1984-02-21 | Richard S. Talbot And Associates | Process for the removal of heavy metals from aqueous solution |
-
1988
- 1988-07-07 DE DE3822922A patent/DE3822922C2/de not_active Expired - Lifetime
- 1988-10-19 DE DE3854965T patent/DE3854965D1/de not_active Expired - Lifetime
- 1988-10-19 AT AT88117359T patent/ATE133639T1/de not_active IP Right Cessation
- 1988-10-19 EP EP88117359A patent/EP0349671B1/de not_active Expired - Lifetime
- 1988-12-20 DK DK706888A patent/DK172048B1/da not_active IP Right Cessation
-
1989
- 1989-05-24 HU HU892627A patent/HU207498B/hu not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0349671B1 (de) | 1996-01-31 |
EP0349671A1 (de) | 1990-01-10 |
HU207498B (en) | 1993-04-28 |
DE3854965D1 (de) | 1996-03-14 |
DE3822922C2 (de) | 1995-09-21 |
DK706888D0 (da) | 1988-12-20 |
DK172048B1 (da) | 1997-09-29 |
DE3822922A1 (de) | 1990-01-11 |
HUT55326A (en) | 1991-05-28 |
ATE133639T1 (de) | 1996-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |