ATA107584A - METHOD FOR TREATING THE WASTE WATER RESULTING FROM THE PRODUCTION OF PHOSPHORIC ACID BY WET DIGESTION OF RAW PHOSPHATE WITH SULFURIC ACID - Google Patents

METHOD FOR TREATING THE WASTE WATER RESULTING FROM THE PRODUCTION OF PHOSPHORIC ACID BY WET DIGESTION OF RAW PHOSPHATE WITH SULFURIC ACID

Info

Publication number
ATA107584A
ATA107584A AT0107584A AT107584A ATA107584A AT A107584 A ATA107584 A AT A107584A AT 0107584 A AT0107584 A AT 0107584A AT 107584 A AT107584 A AT 107584A AT A107584 A ATA107584 A AT A107584A
Authority
AT
Austria
Prior art keywords
treating
production
waste water
water resulting
sulfuric acid
Prior art date
Application number
AT0107584A
Other languages
German (de)
Other versions
AT390602B (en
Original Assignee
Krupp Koppers Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Krupp Koppers Gmbh filed Critical Krupp Koppers Gmbh
Publication of ATA107584A publication Critical patent/ATA107584A/en
Application granted granted Critical
Publication of AT390602B publication Critical patent/AT390602B/en

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)
AT0107584A 1983-04-20 1984-03-29 METHOD FOR TREATING THE WASTE WATER RESULTING FROM THE PRODUCTION OF PHOSPHORIC ACID BY WET DIGESTION OF RAW PHOSPHATE WITH SULFURIC ACID AT390602B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833314248 DE3314248A1 (en) 1983-04-20 1983-04-20 Process for treating the waste water produced in the production of wet phosphoric acid

Publications (2)

Publication Number Publication Date
ATA107584A true ATA107584A (en) 1989-11-15
AT390602B AT390602B (en) 1990-06-11

Family

ID=6196837

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0107584A AT390602B (en) 1983-04-20 1984-03-29 METHOD FOR TREATING THE WASTE WATER RESULTING FROM THE PRODUCTION OF PHOSPHORIC ACID BY WET DIGESTION OF RAW PHOSPHATE WITH SULFURIC ACID

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT396227B (en) * 1989-08-17 1993-07-26 Perlmooser Zementwerke Ag NEUTRALIZING AGENT WITH DEPOT EFFECT
JP2002035766A (en) * 2000-07-21 2002-02-05 Japan Organo Co Ltd Method for removing fluorine and phosphorus in wastewater

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160376B (en) * 1959-05-14 1963-12-27 Knapsack Ag Process for the treatment of waste water from phosphorus production
AT348947B (en) * 1977-03-02 1979-03-12 Voest Ag PROCEDURE FOR NEUTRALIZING ACID RINSING WATERS OR USED PICKLING ACIDS FROM METAL PICKLING
DD146446A1 (en) * 1979-10-04 1981-02-11 Hans Hoppe PROCESS FOR PHOSPHATE ELIMINATION FROM WASTEWATERS
DE2943870A1 (en) * 1979-10-30 1981-06-11 Universal Gesellschaft zur Errichtung von Umweltschutzanlagen mbH & Co, 2410 Mölln Sewage clarification - in two flock(s) precipitation stages by injecting calcium salt and iron salt in aeration up draught
US4301014A (en) * 1980-06-05 1981-11-17 Hooker Chemicals & Plastics Corp. Phosphorus pentasulfide waste water treatment
DE3038336A1 (en) * 1980-10-10 1982-05-27 Hoechst Ag, 6000 Frankfurt METHOD FOR PROCESSING WASTE WATER CONTAINING PHOSPHORUS

Also Published As

Publication number Publication date
DE3314248C2 (en) 1991-06-13
DD219470A5 (en) 1985-03-06
IN160464B (en) 1987-07-11
ZA841733B (en) 1984-10-31
AT390602B (en) 1990-06-11
JPS59199095A (en) 1984-11-12
DE3314248A1 (en) 1984-10-25
JPH0453600B2 (en) 1992-08-27

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee