IT1005698B - CONTINUOUS PROCEDURE FOR THE PREPA RATION OF GYPSUMHYDRATE FROM WASTE SULFURIC ACID - Google Patents

CONTINUOUS PROCEDURE FOR THE PREPA RATION OF GYPSUMHYDRATE FROM WASTE SULFURIC ACID

Info

Publication number
IT1005698B
IT1005698B IT1265974A IT1265974A IT1005698B IT 1005698 B IT1005698 B IT 1005698B IT 1265974 A IT1265974 A IT 1265974A IT 1265974 A IT1265974 A IT 1265974A IT 1005698 B IT1005698 B IT 1005698B
Authority
IT
Italy
Prior art keywords
gypsumhydrate
sulfuric acid
waste sulfuric
continuous procedure
prepa ration
Prior art date
Application number
IT1265974A
Other languages
Italian (it)
Inventor
M Saburo
K Yukio
K Horoshi
Original Assignee
Ishihara Sanoyo Kaisha Ltd
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 Ishihara Sanoyo Kaisha Ltd filed Critical Ishihara Sanoyo Kaisha Ltd
Application granted granted Critical
Publication of IT1005698B publication Critical patent/IT1005698B/en

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
IT1265974A 1973-03-23 1974-03-25 CONTINUOUS PROCEDURE FOR THE PREPA RATION OF GYPSUMHYDRATE FROM WASTE SULFURIC ACID IT1005698B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3259973A JPS5146679B2 (en) 1973-03-23 1973-03-23

Publications (1)

Publication Number Publication Date
IT1005698B true IT1005698B (en) 1976-09-30

Family

ID=12363312

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1265974A IT1005698B (en) 1973-03-23 1974-03-25 CONTINUOUS PROCEDURE FOR THE PREPA RATION OF GYPSUMHYDRATE FROM WASTE SULFURIC ACID

Country Status (5)

Country Link
JP (1) JPS5146679B2 (en)
AU (1) AU475152B2 (en)
DE (1) DE2414182C3 (en)
GB (1) GB1420558A (en)
IT (1) IT1005698B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1545789A (en) * 1975-06-04 1979-05-16 Ici Ltd Manufacture of calcium carbonate magnesium bicarbonate magnesium carbonate and calcium sulphate
JPS5265970A (en) * 1975-11-27 1977-05-31 Chiyoda Chem Eng & Constr Co Ltd Process for treating waste water containing sulfate ions
JPS53101993U (en) * 1977-01-24 1978-08-17
US4183908A (en) * 1977-06-24 1980-01-15 Southern California Edison Company Crystalline calcium sulfate dihydrate and process for making same
DE2909572A1 (en) * 1979-03-12 1980-09-25 Hoechst Ag METHOD FOR CONVERTING EXTRACTION RESIDUES FROM PHOSPHORIC ACID CLEANING IN SOLID DEPOSITE PRODUCTS
GB9213998D0 (en) * 1992-07-01 1992-08-12 Tioxide Group Services Ltd Process for preparing calcium sulphate
CN103086624B (en) * 2013-01-22 2015-05-27 武汉理工大学 Method for preparing alpha-semi-hydrated gypsum from titanium gypsum
CN103073043B (en) * 2013-02-06 2014-12-03 武汉理工大学 Method for increasing growth of titanium dioxide gypsum particle crystals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1467292A1 (en) * 1963-08-24 1969-01-23 Yawata Chem Ind Co Ltd Process for the continuous production of gypsum and iron oxide

Also Published As

Publication number Publication date
DE2414182A1 (en) 1974-10-03
JPS5146679B2 (en) 1976-12-10
AU475152B2 (en) 1976-08-12
DE2414182C3 (en) 1982-03-25
GB1420558A (en) 1976-01-07
AU6692874A (en) 1975-09-25
JPS49121796A (en) 1974-11-21
DE2414182B2 (en) 1981-04-23

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