FR1531371A - Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité - Google Patents

Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité

Info

Publication number: FR1531371A
Authority: FR; France
Prior art keywords: manufacturing process; phosphoric acid; high quality; calcium sulfate; quality phosphoric
Prior art date: 1966-08-19
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.): Expired

Application number

FR81386A

Other languages

English (en)

Inventor

Heinz Wockel

Guenther Herzog

Werner Riesel

Walther Hohm

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.)

VER PHOSPHATDUENGERWERKE

Original Assignee

VER PHOSPHATDUENGERWERKE

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.)

1966-08-19

Filing date

1966-10-24

Publication date

1968-07-05

1966-08-19 Priority to DE19661592287 priority Critical patent/DE1592287A1/de

1966-10-24 Application filed by VER PHOSPHATDUENGERWERKE filed Critical VER PHOSPHATDUENGERWERKE

1966-10-24 Priority to FR81386A priority patent/FR1531371A/fr

1966-10-25 Priority to GB4779866A priority patent/GB1164836A/en

1966-11-10 Priority to NL6615884A priority patent/NL6615884A/xx

1966-12-15 Priority to BE691263D priority patent/BE691263A/fr

1967-07-07 Priority to LU54052A priority patent/LU54052A1/xx

1968-07-05 Application granted granted Critical

1968-07-05 Publication of FR1531371A publication Critical patent/FR1531371A/fr

Status Expired legal-status Critical Current

Classifications

- 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
- C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- 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)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

FR81386A 1966-03-02 1966-10-24 Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité Expired FR1531371A (fr)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
DE19661592287 DE1592287A1 (de)	1966-08-19	1966-08-19	Verfahren zur Herstellung von Phosphorsaeure
FR81386A FR1531371A (fr)	1966-08-19	1966-10-24	Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité
GB4779866A GB1164836A (en)	1966-08-19	1966-10-25	A Process for the Production of Phosphoric Acid
NL6615884A NL6615884A (fr)	1966-08-19	1966-11-10
BE691263D BE691263A (fr)	1966-03-02	1966-12-15
LU54052A LU54052A1 (fr)	1966-08-19	1967-07-07

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DEV0031748		1966-08-19
FR81386A FR1531371A (fr)	1966-08-19	1966-10-24	Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité
GB4779866A GB1164836A (en)	1966-08-19	1966-10-25	A Process for the Production of Phosphoric Acid
LU54052A LU54052A1 (fr)	1966-08-19	1967-07-07

Publications (1)

Publication Number	Publication Date
FR1531371A true FR1531371A (fr)	1968-07-05

Family

ID=27437684

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR81386A Expired FR1531371A (fr)	1966-03-02	1966-10-24	Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité

Country Status (5)

Country	Link
DE (1)	DE1592287A1 (fr)
FR (1)	FR1531371A (fr)
GB (1)	GB1164836A (fr)
LU (1)	LU54052A1 (fr)
NL (1)	NL6615884A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE1019055A3 (fr) *	2009-12-02	2012-02-07	Prayon Technologies	Procede de production d'acide phosphorique.
CA2837495C (fr)	2011-06-01	2018-01-09	Prayon Technologies	Procede de production d'acide phosphorique du type dihydrate/hemihydrate
EP2771280B1 (fr)	2011-10-24	2018-02-21	Hydrometal SA	Procede de traitement de roches phosphatees

1966
- 1966-08-19 DE DE19661592287 patent/DE1592287A1/de active Pending
- 1966-10-24 FR FR81386A patent/FR1531371A/fr not_active Expired
- 1966-10-25 GB GB4779866A patent/GB1164836A/en not_active Expired
- 1966-11-10 NL NL6615884A patent/NL6615884A/xx unknown
1967
- 1967-07-07 LU LU54052A patent/LU54052A1/xx unknown

Also Published As

Publication number	Publication date
DE1592287A1 (de)	1971-04-15
GB1164836A (en)	1969-09-24
LU54052A1 (fr)	1967-11-06
NL6615884A (fr)	1968-02-20

Similar Documents

Publication	Publication Date	Title
FR1506968A (fr)	1967-12-22	Procédé de fabrication d'acide phosphorique
FR1468050A (fr)	1967-02-03	Procédé de production de l'acide phosphorique
FR1543753A (fr)	1968-10-25	Procédé de production d'acide phosphorique
FR1485940A (fr)	1967-06-23	Procédé pour la fabrication d'acide phosphorique et de sulfate de calcium hémihydrate par voie humide
FR1515691A (fr)	1968-03-01	Procédé de production d'acide sulfurique
FR1504215A (fr)	1967-12-01	Procédé de fabrication d'un ester d'acide amidothionophosphorique
BE756759A (fr)	1971-03-29	Procede de fabrication d'acide phosphorique de voie humide et de sulfate de calcium de qualite amelioree
FR1531371A (fr)	1968-07-05	Procédé de fabrication d'acide phosphorique et de sulfate de calcium de haute qualité
FR1486254A (fr)	1967-06-23	Procédé de fabrication d'esters d'acide dithiolphosphorique
CH476637A (fr)	1969-08-15	Procédé de fabrication d'acide phosphorique
FR1534672A (fr)	1968-08-02	Procédé de fabrication de l'acide phosphorique
FR1428225A (fr)	1966-02-11	Procédé de fabrication d'esters d'acide carbamique
FR1532723A (fr)	1968-07-12	Procédé de fabrication d'un alpha-amino acide
FR1487428A (fr)	1967-07-07	Procédé de fabrication d'acide phosphorique
FR1480663A (fr)	1967-05-12	Procédé de production d'acide phosphorique
FR1403952A (fr)	1965-06-25	Procédé de fabrication d'esters coumaranyliques de l'acide nu-méthyl-carbamique
FR1452615A (fr)	1966-04-15	Procédé de fabrication d'esters d'acide carbamique
FR1396649A (fr)	1965-04-23	Procédé de fabrication d'esters de l'acide transchrysanthémique
FR1526517A (fr)	1968-05-24	Procédé de fabrication de l'acide 1-amino-7-hydroxynaphtalène-4-sulfonique
FR1413926A (fr)	1965-10-15	Procédé de fabrication de l'acide monochloracétique
FR1541594A (fr)	1968-10-04	Procédé de fabrication d'esters de l'acide pyrryl-(2)-acétique
FR1527567A (fr)	1968-05-31	Procédé de fabrication d'esters indanyliques de l'acide n-méthylcarbamique
FR1479735A (fr)	1967-05-05	Procédé de fabrication de l'acide oxalique
FR1523916A (fr)	1968-05-03	Procédé de fabrication d'esters d'acide chromanyl-n-méthylcarbamique
FR1541707A (fr)	1968-10-11	Procédé amélioré de fabrication de l'acide nitrique