FR2263200B2 - - Google Patents
Info
- Publication number
- FR2263200B2 FR2263200B2 FR7408095A FR7408095A FR2263200B2 FR 2263200 B2 FR2263200 B2 FR 2263200B2 FR 7408095 A FR7408095 A FR 7408095A FR 7408095 A FR7408095 A FR 7408095A FR 2263200 B2 FR2263200 B2 FR 2263200B2
- Authority
- FR
- France
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
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- 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
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/58—Recovery of sulfur dioxide from acid tar or the like or from any waste sulfuric acid
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- 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
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)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408095A FR2263200A2 (en) | 1974-03-06 | 1974-03-06 | Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon |
CH807174A CH584658A5 (fr) | 1973-06-29 | 1974-06-13 | |
DE2429994A DE2429994A1 (de) | 1973-06-29 | 1974-06-22 | Verfahren zur behandlung von abwaessern, die schwefelsaeure und/oder ammoniumsulfat enthalten |
NL7408714A NL7408714A (fr) | 1973-06-29 | 1974-06-27 | |
US05/484,228 US3935100A (en) | 1973-06-29 | 1974-06-28 | Process for the treatment of waste waters containing sulfuric acid and/or ammonium sulfate |
JP49074900A JPS5049865A (fr) | 1973-06-29 | 1974-06-28 | |
IT7424535A IT1030587B (it) | 1973-06-29 | 1974-06-28 | Procedimento di trattamento delle acque residue contenenti acido so forico e.o solfato d ammonio |
CA203,678A CA1033083A (fr) | 1973-06-29 | 1974-06-28 | Traitement des eaux contenant de l'acide sulfurique et/ou du sulfate d'ammonium par le sulfure de baryum |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408095A FR2263200A2 (en) | 1974-03-06 | 1974-03-06 | Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2263200A2 FR2263200A2 (en) | 1975-10-03 |
FR2263200B2 true FR2263200B2 (fr) | 1978-07-07 |
Family
ID=9136083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7408095A Granted FR2263200A2 (en) | 1973-06-29 | 1974-03-06 | Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2263200A2 (fr) |
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1974
- 1974-03-06 FR FR7408095A patent/FR2263200A2/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2263200A2 (en) | 1975-10-03 |