FR2263200A2 - Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbon - Google Patents
Dilute sulphuric acid effluent treatment - by neutralisation with barium sulphide and high temp reduction of the sulphate with carbonInfo
- Publication number
- FR2263200A2 FR2263200A2 FR7408095A FR7408095A FR2263200A2 FR 2263200 A2 FR2263200 A2 FR 2263200A2 FR 7408095 A FR7408095 A FR 7408095A FR 7408095 A FR7408095 A FR 7408095A FR 2263200 A2 FR2263200 A2 FR 2263200A2
- Authority
- FR
- France
- Prior art keywords
- barium sulphide
- carbon
- sulphuric acid
- sulphate
- solid
- Prior art date
- 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.)
- Granted
Links
- CJDPJFRMHVXWPT-UHFFFAOYSA-N barium sulfide Chemical compound [S-2].[Ba+2] CJDPJFRMHVXWPT-UHFFFAOYSA-N 0.000 title abstract 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052799 carbon Inorganic materials 0.000 title abstract 2
- 239000001117 sulphuric acid Substances 0.000 title abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title 1
- 238000006386 neutralization reaction Methods 0.000 title 1
- 229910021653 sulphate ion Inorganic materials 0.000 title 1
- 239000007787 solid Substances 0.000 abstract 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 1
- -1 ammonium sulphate Chemical class 0.000 abstract 1
- 239000001166 ammonium sulphate Substances 0.000 abstract 1
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- 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
-
- 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 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) | 1973-06-29 | 1974-06-27 | |
JP49074900A JPS5049865A (enrdf_load_stackoverflow) | 1973-06-29 | 1974-06-28 | |
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 |
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 |
IT7424535A IT1030587B (it) | 1973-06-29 | 1974-06-28 | Procedimento di trattamento delle acque residue contenenti acido so forico e.o solfato d ammonio |
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 true FR2263200A2 (en) | 1975-10-03 |
FR2263200B2 FR2263200B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
-
1974
- 1974-03-06 FR FR7408095A patent/FR2263200A2/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2263200B2 (enrdf_load_stackoverflow) | 1978-07-07 |
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