NL7505135A - Werkwijze ter bereiding van gestabiliseerd, afbindbaar calciumsulfaat door omzetting van calciumverbindingen met zwavelzuur. - Google Patents

Werkwijze ter bereiding van gestabiliseerd, afbindbaar calciumsulfaat door omzetting van calciumverbindingen met zwavelzuur.

Info

Publication number
NL7505135A
NL7505135A NL7505135A NL7505135A NL7505135A NL 7505135 A NL7505135 A NL 7505135A NL 7505135 A NL7505135 A NL 7505135A NL 7505135 A NL7505135 A NL 7505135A NL 7505135 A NL7505135 A NL 7505135A
Authority
NL
Netherlands
Prior art keywords
calcium
bondable
conversion
sulfuric acid
preparing stabilized
Prior art date
Application number
NL7505135A
Other languages
English (en)
Original Assignee
Knauf Westdeutsche Gips
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 Knauf Westdeutsche Gips filed Critical Knauf Westdeutsche Gips
Publication of NL7505135A publication Critical patent/NL7505135A/nl

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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B11/00—Calcium sulfate cements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NL7505135A 1974-06-05 1975-05-01 Werkwijze ter bereiding van gestabiliseerd, afbindbaar calciumsulfaat door omzetting van calciumverbindingen met zwavelzuur. NL7505135A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742427122 DE2427122B2 (de) 1974-06-05 1974-06-05 Verfahren zur stabilisierung des bei der herstellung nasser phosphorsaeure anfallenden alpha-calciumsulfat-halbhydrat

Publications (1)

Publication Number Publication Date
NL7505135A true NL7505135A (nl) 1975-12-09

Family

ID=5917375

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7505135A NL7505135A (nl) 1974-06-05 1975-05-01 Werkwijze ter bereiding van gestabiliseerd, afbindbaar calciumsulfaat door omzetting van calciumverbindingen met zwavelzuur.

Country Status (15)

Country Link
US (1) US4039616A (nl)
JP (1) JPS5148796A (nl)
AT (1) ATA242475A (nl)
BE (1) BE828578A (nl)
BR (1) BR7503510A (nl)
CA (1) CA1045340A (nl)
DD (1) DD116813A5 (nl)
DE (1) DE2427122B2 (nl)
DK (1) DK142375A (nl)
FR (1) FR2273766A1 (nl)
GB (1) GB1491090A (nl)
NL (1) NL7505135A (nl)
NO (1) NO142902C (nl)
SE (1) SE401168B (nl)
ZA (1) ZA752865B (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413338A1 (fr) * 1977-12-09 1979-07-27 Ugine Kuhlmann Gypses pour preparation de liants d'anhydrite
DE3575909D1 (de) * 1984-07-24 1990-03-15 Delet Baustoff aus phospho-hemihydrat, verfahren zu seiner herstellung und seine verwendung.
PL184613B1 (pl) * 1997-02-26 2002-11-29 Inst Chemii Nieorganicznej Sposób otrzymywania kwasu fosforowego
WO2001049484A1 (en) 2000-01-05 2001-07-12 Saint-Gobain Technical Fabrics Of America, Inc. Smooth reinforced cementitious boards and methods of making same
EP1501982A1 (en) * 2002-05-03 2005-02-02 Imerys Minerals Limited Paper coating pigments

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512927A (en) * 1965-07-26 1970-05-19 Anson G Betts Chemically treating phosphorite and obtaining separate products of fluorine and of phosphorus
US3671189A (en) * 1966-06-16 1972-06-20 Anson G Betts Treatment of phosphate rock with acids
US3552918A (en) * 1966-11-08 1971-01-05 Dorr Oliver Inc Process for the production of phosphoric acid
US3795728A (en) * 1971-03-02 1974-03-05 Knauf Westdeutsche Gips Process for manufacturing phosphoric acid and substantially alkalisilico-fluoride-free gypsum
GB1451608A (en) * 1972-11-08 1976-10-06 Fisons Ltd Process for reducing calcium sulphate scale formation

Also Published As

Publication number Publication date
JPS5148796A (nl) 1976-04-27
AU8151975A (en) 1976-12-02
FR2273766A1 (fr) 1976-01-02
DK142375A (da) 1975-12-06
DD116813A5 (nl) 1975-12-12
NO142902B (no) 1980-08-04
NO142902C (no) 1980-11-12
DE2427122A1 (de) 1975-12-11
US4039616A (en) 1977-08-02
GB1491090A (en) 1977-11-09
BE828578A (fr) 1975-08-18
SE401168B (sv) 1978-04-24
NO751100L (nl) 1975-12-08
SE7503839L (sv) 1975-12-08
FR2273766B1 (nl) 1979-04-13
DE2427122B2 (de) 1976-12-30
CA1045340A (en) 1979-01-02
BR7503510A (pt) 1976-05-25
ATA242475A (de) 1981-03-15
ZA752865B (en) 1976-04-28

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Legal Events

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BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed