ZA841733B - Process for treating the waste water from the"wet"production of phosphoric aicd - Google Patents

Process for treating the waste water from the"wet"production of phosphoric aicd

Info

Publication number
ZA841733B
ZA841733B ZA841733A ZA841733A ZA841733B ZA 841733 B ZA841733 B ZA 841733B ZA 841733 A ZA841733 A ZA 841733A ZA 841733 A ZA841733 A ZA 841733A ZA 841733 B ZA841733 B ZA 841733B
Authority
ZA
South Africa
Prior art keywords
wet
treating
production
waste water
aicd
Prior art date
Application number
ZA841733A
Other languages
English (en)
Inventor
Hans-Werner Gosch
Joerg Kohlbecker
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 ZA841733B publication Critical patent/ZA841733B/xx

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)
ZA841733A 1983-04-20 1984-03-08 Process for treating the waste water from the"wet"production of phosphoric aicd ZA841733B (en)

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
ZA841733B true ZA841733B (en) 1984-10-31

Family

ID=6196837

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA841733A ZA841733B (en) 1983-04-20 1984-03-08 Process for treating the waste water from the"wet"production of phosphoric aicd

Country Status (6)

Country Link
JP (1) JPS59199095A (enrdf_load_stackoverflow)
AT (1) AT390602B (enrdf_load_stackoverflow)
DD (1) DD219470A5 (enrdf_load_stackoverflow)
DE (1) DE3314248A1 (enrdf_load_stackoverflow)
IN (1) IN160464B (enrdf_load_stackoverflow)
ZA (1) ZA841733B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AT390602B (de) 1990-06-11
ATA107584A (de) 1989-11-15
DE3314248C2 (enrdf_load_stackoverflow) 1991-06-13
IN160464B (enrdf_load_stackoverflow) 1987-07-11
JPS59199095A (ja) 1984-11-12
DE3314248A1 (de) 1984-10-25
DD219470A5 (de) 1985-03-06
JPH0453600B2 (enrdf_load_stackoverflow) 1992-08-27

Similar Documents

Publication Publication Date Title
EP0224905A3 (en) Process for treating waste water by wet oxidations
GB2133427B (en) Process for the manufacture of shaped fibrous products
GB2118926B (en) Process for dewatering sludges
GB2159142B (en) Process for the continuous production of boiler feed water
DE3369115D1 (en) Process for dewatering sludge
PT77184A (en) Process for the preparation of water absorving polymers
EP0133505A3 (en) Process for the treatment of diluted acids
GB2196955A (en) Process for treating waste water
DE3367901D1 (en) Process for inhibiting the deposition of clay in water
GB2015594A (en) Treating waste paper for the production of new paper
EP0100568B1 (en) Process for the treatment of waste water
HUT37432A (en) Process for the production of condensed dibenzo-diazepine-derivatives
ZA803756B (en) Process for the chemical removal of phosphorus compounds from waste water and process for the purification of waste water
GB2021425B (en) Treating waste water from nitrile production
GB2013646B (en) Process for the secondary treatment of waste water
PT77426A (en) Process for the production of 7-substituted-3-vinyl-3-cephem compounds
DE3276363D1 (en) Process for the manufacture of calcium carbide
HUT39766A (en) Process for dewatering of turf
HU178415B (en) Process for dewatering slam of waste waters
DE3372505D1 (en) Process for the production of pile-surfaced textile structures
PT77832B (en) Plant for the production of calcium carbide
FR2545081B1 (fr) Procede de purification d'hydrate d'hexafluoroacetone
FR2554551B1 (fr) Procede de production de vapeur d'eau pour des processus en consommant
DE2962861D1 (en) Process for the biological treatment of waste water
DE3362831D1 (en) Process for the purification of wet process phosphoric acid