AU7325398A - Process for the production of gypsum from sulphuric acid containing waste st reams - Google Patents

Process for the production of gypsum from sulphuric acid containing waste st reams

Info

Publication number
AU7325398A
AU7325398A AU73253/98A AU7325398A AU7325398A AU 7325398 A AU7325398 A AU 7325398A AU 73253/98 A AU73253/98 A AU 73253/98A AU 7325398 A AU7325398 A AU 7325398A AU 7325398 A AU7325398 A AU 7325398A
Authority
AU
Australia
Prior art keywords
reams
gypsum
production
sulphuric acid
acid containing
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.)
Abandoned
Application number
AU73253/98A
Inventor
Robert Hose
Franc Omahen
Gavan J Stray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU7325398A publication Critical patent/AU7325398A/en
Abandoned legal-status Critical Current

Links

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
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
AU73253/98A 1997-05-12 1998-05-12 Process for the production of gypsum from sulphuric acid containing waste st reams Abandoned AU7325398A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SG9701492 1997-05-12
SG9701492-2 1997-05-12
PCT/AU1998/000347 WO1998051616A1 (en) 1997-05-12 1998-05-12 Process for the production of gypsum from sulphuric acid containing waste streams

Publications (1)

Publication Number Publication Date
AU7325398A true AU7325398A (en) 1998-12-08

Family

ID=20429645

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73253/98A Abandoned AU7325398A (en) 1997-05-12 1998-05-12 Process for the production of gypsum from sulphuric acid containing waste st reams

Country Status (3)

Country Link
AU (1) AU7325398A (en)
TW (1) TW440552B (en)
WO (1) WO1998051616A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2192088A1 (en) 2008-11-25 2010-06-02 Ferro Duo GmbH Method of producing calcium hydroxide
JP6638345B2 (en) * 2015-03-17 2020-01-29 住友大阪セメント株式会社 Method for producing gypsum and method for producing cement composition
JP6970917B2 (en) 2017-12-27 2021-11-24 三菱マテリアル株式会社 Wastewater treatment method
JP6986226B2 (en) * 2017-12-27 2021-12-22 三菱マテリアル株式会社 Wastewater treatment method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135801A1 (en) * 1981-09-10 1983-03-24 Hoechst Ag, 6000 Frankfurt METHOD FOR TREATING EXTRACTION RESIDUES OF PHOSPHORIC ACID CLEANING
CA2047432C (en) * 1990-07-20 2001-11-20 Johannes P. Maree Treatment of water
CA2084327A1 (en) * 1992-12-02 1994-06-03 Nural Kuyucak Lime neutralization process for treating acidic waters

Also Published As

Publication number Publication date
TW440552B (en) 2001-06-16
WO1998051616A1 (en) 1998-11-19

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase