NL7904234A - Werkwijze voor het bereiden van calciumsulfaathemihy- draat. - Google Patents

Werkwijze voor het bereiden van calciumsulfaathemihy- draat. Download PDF

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Publication number
NL7904234A
NL7904234A NL7904234A NL7904234A NL7904234A NL 7904234 A NL7904234 A NL 7904234A NL 7904234 A NL7904234 A NL 7904234A NL 7904234 A NL7904234 A NL 7904234A NL 7904234 A NL7904234 A NL 7904234A
Authority
NL
Netherlands
Prior art keywords
nitric acid
liquid
recrystallization
hemihydrate
calcium
Prior art date
Application number
NL7904234A
Other languages
English (en)
Dutch (nl)
Original Assignee
Unie Van Kunstmestfab Bv
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 Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Priority to NL7904234A priority Critical patent/NL7904234A/nl
Priority to EP80200492A priority patent/EP0021474A1/de
Priority to JP7130680A priority patent/JPS5632325A/ja
Priority to ES491971A priority patent/ES491971A0/es
Priority to IN662/CAL/80A priority patent/IN152562B/en
Publication of NL7904234A publication Critical patent/NL7904234A/nl

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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
    • C01F11/466—Conversion of one form of calcium sulfate to another

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)
  • Fertilizers (AREA)
NL7904234A 1979-05-30 1979-05-30 Werkwijze voor het bereiden van calciumsulfaathemihy- draat. NL7904234A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7904234A NL7904234A (nl) 1979-05-30 1979-05-30 Werkwijze voor het bereiden van calciumsulfaathemihy- draat.
EP80200492A EP0021474A1 (de) 1979-05-30 1980-05-23 Verfahren zur Herstellung von Kalziumsulfat-Halbhydrat und so erhaltenes Halbhydrat
JP7130680A JPS5632325A (en) 1979-05-30 1980-05-28 Manufacture of calcium sulfate hemihydrate
ES491971A ES491971A0 (es) 1979-05-30 1980-05-29 Procedimiento para preparar sulfato calcico semihidratado
IN662/CAL/80A IN152562B (de) 1979-05-30 1980-06-04

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7904234A NL7904234A (nl) 1979-05-30 1979-05-30 Werkwijze voor het bereiden van calciumsulfaathemihy- draat.
NL7904234 1979-05-30

Publications (1)

Publication Number Publication Date
NL7904234A true NL7904234A (nl) 1980-12-02

Family

ID=19833268

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7904234A NL7904234A (nl) 1979-05-30 1979-05-30 Werkwijze voor het bereiden van calciumsulfaathemihy- draat.

Country Status (5)

Country Link
EP (1) EP0021474A1 (de)
JP (1) JPS5632325A (de)
ES (1) ES491971A0 (de)
IN (1) IN152562B (de)
NL (1) NL7904234A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59802498D1 (de) * 1997-05-10 2002-01-31 Sicowa Verfahrenstech Verfahren zum Herstellen von Calciumsulfat-Alphahalbhydrat
FI123287B (fi) * 2009-04-20 2013-01-31 Kemira Oyj Paperituote
CN107879363A (zh) * 2017-11-06 2018-04-06 湖北三宁化工股份有限公司 一种硝酸分解磷尾矿制取硫酸钙晶须副产氢氧化镁和硝酸铵镁的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD118219A3 (de) * 1971-02-09 1976-02-20
DE2310460C3 (de) * 1973-03-02 1982-02-25 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Verfahren zur Herstellung von α-Halbhydratgips

Also Published As

Publication number Publication date
JPS5632325A (en) 1981-04-01
ES8102060A1 (es) 1980-12-16
IN152562B (de) 1984-02-11
ES491971A0 (es) 1980-12-16
EP0021474A1 (de) 1981-01-07

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