IN160464B - - Google Patents
Info
- Publication number
- IN160464B IN160464B IN219/DEL/84A IN219DE1984A IN160464B IN 160464 B IN160464 B IN 160464B IN 219DE1984 A IN219DE1984 A IN 219DE1984A IN 160464 B IN160464 B IN 160464B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
-
- 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)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Specific Substances (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833314248 DE3314248A1 (de) | 1983-04-20 | 1983-04-20 | Verfahren zur behandlung des bei der nassphosphorsaeureherstellung anfallenden abwassers |
Publications (1)
Publication Number | Publication Date |
---|---|
IN160464B true IN160464B (en)) | 1987-07-11 |
Family
ID=6196837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN219/DEL/84A IN160464B (en)) | 1983-04-20 | 1984-03-08 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS59199095A (en)) |
AT (1) | AT390602B (en)) |
DD (1) | DD219470A5 (en)) |
DE (1) | DE3314248A1 (en)) |
IN (1) | IN160464B (en)) |
ZA (1) | ZA841733B (en)) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT396227B (de) * | 1989-08-17 | 1993-07-26 | Perlmooser Zementwerke Ag | Neutralisierungsmittel mit depotwirkung |
JP2002035766A (ja) * | 2000-07-21 | 2002-02-05 | Japan Organo Co Ltd | 排水中のフッ素、リンの除去方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1160376B (de) * | 1959-05-14 | 1963-12-27 | Knapsack Ag | Verfahren zur Aufbereitung von bei der Phosphorproduktion anfallenden Abwaessern |
AT348947B (de) * | 1977-03-02 | 1979-03-12 | Voest Ag | Verfahren zur neutralisation von saeurehaeltigen spuelwaessern oder verbrauchten beizsaeuren von metallbeizereien |
DD146446A1 (de) * | 1979-10-04 | 1981-02-11 | Hans Hoppe | Verfahren zur phosphat-eliminierung aus abwaessern |
DE2943870A1 (de) * | 1979-10-30 | 1981-06-11 | Universal Gesellschaft zur Errichtung von Umweltschutzanlagen mbH & Co, 2410 Mölln | Verfahren und vorrichtung zum behandeln von abwaessern, insbesondere zur phosphat-faellung und zur nachreinigung von abwaessern in becken oder teichen |
US4301014A (en) * | 1980-06-05 | 1981-11-17 | Hooker Chemicals & Plastics Corp. | Phosphorus pentasulfide waste water treatment |
DE3038336A1 (de) * | 1980-10-10 | 1982-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur aufarbeitung von phosphorhaltigem abwasser |
-
1983
- 1983-04-20 DE DE19833314248 patent/DE3314248A1/de active Granted
-
1984
- 1984-03-08 IN IN219/DEL/84A patent/IN160464B/en unknown
- 1984-03-08 ZA ZA841733A patent/ZA841733B/xx unknown
- 1984-03-29 AT AT0107584A patent/AT390602B/de not_active IP Right Cessation
- 1984-04-16 DD DD84262016A patent/DD219470A5/de not_active IP Right Cessation
- 1984-04-18 JP JP59076749A patent/JPS59199095A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
AT390602B (de) | 1990-06-11 |
DE3314248A1 (de) | 1984-10-25 |
DD219470A5 (de) | 1985-03-06 |
ZA841733B (en) | 1984-10-31 |
ATA107584A (de) | 1989-11-15 |
JPS59199095A (ja) | 1984-11-12 |
DE3314248C2 (en)) | 1991-06-13 |
JPH0453600B2 (en)) | 1992-08-27 |