FR2298511A1 - Nouveau procede de fabrication industrielle d'un carbonate de calcium extra-pur - Google Patents

Nouveau procede de fabrication industrielle d'un carbonate de calcium extra-pur

Info

Publication number: FR2298511A1
Authority: FR; France
Prior art keywords: calcium carbonate; quicklime; highly pure; decompsn; prepn
Prior art date: 1975-01-21
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.): Granted

Application number

FR7503181A

Other languages

English (en)

French (fr)

Other versions

FR2298511B1 (2

Inventor

Henri Rene Langelin

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.)

SCORA WATRIGANT

Original Assignee

SCORA WATRIGANT

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.)

1975-01-21

Filing date

1975-01-21

Publication date

1976-08-20

1975-01-21 Application filed by SCORA WATRIGANT filed Critical SCORA WATRIGANT

1975-01-21 Priority to FR7503181A priority Critical patent/FR2298511A1/fr

1976-08-20 Publication of FR2298511A1 publication Critical patent/FR2298511A1/fr

1977-07-22 Application granted granted Critical

1977-07-22 Publication of FR2298511B1 publication Critical patent/FR2298511B1/fr

Status Granted legal-status Critical Current

Links

VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title abstract 8
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 title abstract 4
229910000019 calcium carbonate Inorganic materials 0.000 title abstract 3
239000000292 calcium oxide Substances 0.000 title abstract 2
235000012255 calcium oxide Nutrition 0.000 title abstract 2
SEOMTQNOPDIZEI-UHFFFAOYSA-O diethylazanium;nitrate Chemical compound [O-][N+]([O-])=O.CC[NH2+]CC SEOMTQNOPDIZEI-UHFFFAOYSA-O 0.000 title abstract 2
HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 abstract 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
230000005587 bubbling Effects 0.000 abstract 1
229910052791 calcium Inorganic materials 0.000 abstract 1
239000011575 calcium Substances 0.000 abstract 1
239000001569 carbon dioxide Substances 0.000 abstract 1
229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
239000000571 coke Substances 0.000 abstract 1
239000002537 cosmetic Substances 0.000 abstract 1
239000000446 fuel Substances 0.000 abstract 1
229910052749 magnesium Inorganic materials 0.000 abstract 1
239000011777 magnesium Substances 0.000 abstract 1
229910017604 nitric acid Inorganic materials 0.000 abstract 1
238000004064 recycling Methods 0.000 abstract 1

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
- C01F11/18—Carbonates
- C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
- 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
- C01F5/00—Compounds of magnesium
- C01F5/14—Magnesium hydroxide
- 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)
Geology (AREA)
Inorganic Chemistry (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

FR7503181A 1975-01-21 1975-01-21 Nouveau procede de fabrication industrielle d'un carbonate de calcium extra-pur Granted FR2298511A1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR7503181A FR2298511A1 (fr)	1975-01-21	1975-01-21	Nouveau procede de fabrication industrielle d'un carbonate de calcium extra-pur

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7503181A FR2298511A1 (fr)	1975-01-21	1975-01-21	Nouveau procede de fabrication industrielle d'un carbonate de calcium extra-pur

Publications (2)

Publication Number	Publication Date
FR2298511A1 true FR2298511A1 (fr)	1976-08-20
FR2298511B1 FR2298511B1 (2)	1977-07-22

Family

ID=9150614

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7503181A Granted FR2298511A1 (fr)	1975-01-21	1975-01-21	Nouveau procede de fabrication industrielle d'un carbonate de calcium extra-pur

Country Status (1)

Country	Link
FR (1)	FR2298511A1 (2)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0197327A3 (de) *	1985-03-23	1987-12-02	Hoechst Aktiengesellschaft	Verfahren zur Herstellung von feinteiligem Calciumcarbonat grosser Reinheit und hohem Weissgrad
EP0197326A3 (de) *	1985-03-23	1987-12-09	Hoechst Aktiengesellschaft	Verfahren zur Herstellung von Calciumhydrogenphosphat

1975
- 1975-01-21 FR FR7503181A patent/FR2298511A1/fr active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0197327A3 (de) *	1985-03-23	1987-12-02	Hoechst Aktiengesellschaft	Verfahren zur Herstellung von feinteiligem Calciumcarbonat grosser Reinheit und hohem Weissgrad
EP0197326A3 (de) *	1985-03-23	1987-12-09	Hoechst Aktiengesellschaft	Verfahren zur Herstellung von Calciumhydrogenphosphat

Also Published As

Publication number	Publication date
FR2298511B1 (2)	1977-07-22

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Legal Events

Date	Code	Title	Description
1981-11-20	ST	Notification of lapse