LU84713A1 - Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha - Google Patents

Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha Download PDF

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Publication number
LU84713A1
LU84713A1 LU84713A LU84713A LU84713A1 LU 84713 A1 LU84713 A1 LU 84713A1 LU 84713 A LU84713 A LU 84713A LU 84713 A LU84713 A LU 84713A LU 84713 A1 LU84713 A1 LU 84713A1
Authority
LU
Luxembourg
Prior art keywords
hemihydrate
stage
calcium sulphate
calcium
dihydrate
Prior art date
Application number
LU84713A
Other languages
English (en)
French (fr)
Inventor
Armand Laurent Davister
Francis Arthur Thirion
Andre Robert Dubreuco
Original Assignee
Prayon Soc
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 Prayon Soc filed Critical Prayon Soc
Priority to LU84713A priority Critical patent/LU84713A1/fr
Priority to EP84900958A priority patent/EP0169842B1/fr
Priority to AT84900958T priority patent/ATE37017T1/de
Priority to US06/673,436 priority patent/US4588570A/en
Priority to PCT/BE1984/000008 priority patent/WO1984003690A1/fr
Priority to BR8407074A priority patent/BR8407074A/pt
Priority to AU26514/84A priority patent/AU569070B2/en
Priority to DE8484900958T priority patent/DE3473867D1/de
Priority to JP59501075A priority patent/JPS60500909A/ja
Priority to IT20123/84A priority patent/IT1173450B/it
Priority to IL71295A priority patent/IL71295A/xx
Priority to IN187/MAS/84A priority patent/IN160318B/en
Priority to ZA842107A priority patent/ZA842107B/xx
Priority to CA000450228A priority patent/CA1211919A/en
Priority to GR74192A priority patent/GR81479B/el
Priority to MA20292A priority patent/MA20070A1/fr
Priority to MX008340A priority patent/MX168186B/es
Priority to ES530972A priority patent/ES8507078A1/es
Priority to PH30441A priority patent/PH21586A/en
Publication of LU84713A1 publication Critical patent/LU84713A1/fr
Priority to DK558184A priority patent/DK558184A/da
Priority to FI851524A priority patent/FI78054C/fi
Priority to OA58575A priority patent/OA07998A/xx
Priority to SU853891173A priority patent/SU1653540A3/ru

Links

Classifications

    • 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
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/228—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen one form of calcium sulfate being formed and then converted to another form
    • 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
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C01B25/228—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen one form of calcium sulfate being formed and then converted to another form
    • C01B25/229—Hemihydrate-dihydrate process
    • C01B25/2295—Hemihydrate-dihydrate process the conversion being performed in one or more vessels different from those used for reaction after separation of phosphoric acid
    • 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)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Saccharide Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
LU84713A 1983-03-25 1983-03-25 Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha LU84713A1 (fr)

Priority Applications (23)

Application Number Priority Date Filing Date Title
LU84713A LU84713A1 (fr) 1983-03-25 1983-03-25 Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha
EP84900958A EP0169842B1 (fr) 1983-03-25 1984-03-13 Procede de preparation d'acide phosphorique et de sulfate de calcium
AT84900958T ATE37017T1 (de) 1983-03-25 1984-03-13 Verfahren zur herstellung von phosphorsaeure und calciumsulfat.
US06/673,436 US4588570A (en) 1983-03-25 1984-03-13 Method for the preparation of phosphoric acid and calcium sulphate
PCT/BE1984/000008 WO1984003690A1 (fr) 1983-03-25 1984-03-13 Procede de preparation d'acide phosphorique et de sulfate de calcium
BR8407074A BR8407074A (pt) 1983-03-25 1984-03-13 Processo de preparacao de acido fosforico e de sulfato de calcio
AU26514/84A AU569070B2 (en) 1983-03-25 1984-03-13 Method for the preparation of phosphoric acid and calcium sulphate
DE8484900958T DE3473867D1 (en) 1983-03-25 1984-03-13 Method for the preparation of phosphoric acid and calcium sulphate
JP59501075A JPS60500909A (ja) 1983-03-25 1984-03-13 リン酸及び硫酸カルシウムの製法
IT20123/84A IT1173450B (it) 1983-03-25 1984-03-19 Procedimento di preparazione di acido fosforico e di solfato di calcio
IL71295A IL71295A (en) 1983-03-25 1984-03-20 Method for preparing phosphoric acid and calcium sulfate
IN187/MAS/84A IN160318B (cs) 1983-03-25 1984-03-21
ZA842107A ZA842107B (en) 1983-03-25 1984-03-21 Method for preparing phosphoric acid and calcium sulfate
CA000450228A CA1211919A (en) 1983-03-25 1984-03-22 Method for preparing phosphoric acid and calcium sulfate
GR74192A GR81479B (cs) 1983-03-25 1984-03-23
MA20292A MA20070A1 (fr) 1983-03-25 1984-03-23 Procede de preparation d'acide phosphorique et de sulfate de calcium.
MX008340A MX168186B (es) 1983-03-25 1984-03-23 Procedimiento para la preparacion de acido fosforico y sulfato de calcio
ES530972A ES8507078A1 (es) 1983-03-25 1984-03-24 Procedimiento para la preparacion de acido fosforico y sulfato de calcio
PH30441A PH21586A (en) 1983-03-25 1984-03-26 Method for preparing phosphoric acid and calcium sulfate
DK558184A DK558184A (da) 1983-03-25 1984-11-23 Fremgangsmaade til fremstilling af phosphorsyre og calciumsulfat
FI851524A FI78054C (fi) 1983-03-25 1985-04-17 Foerfarande foer framstaellning av fosforsyra och kalciumsulfat.
OA58575A OA07998A (fr) 1983-03-25 1985-04-23 Procédé de préparation d'acide phosphorique et de sulfate de calcium.
SU853891173A SU1653540A3 (ru) 1983-03-25 1985-04-24 Способ получени фосфорной кислоты и сульфата кальци

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU84713A LU84713A1 (fr) 1983-03-25 1983-03-25 Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha
LU84713 1983-03-25

Publications (1)

Publication Number Publication Date
LU84713A1 true LU84713A1 (fr) 1984-11-14

Family

ID=19730065

Family Applications (1)

Application Number Title Priority Date Filing Date
LU84713A LU84713A1 (fr) 1983-03-25 1983-03-25 Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha

Country Status (23)

Country Link
US (1) US4588570A (cs)
EP (1) EP0169842B1 (cs)
JP (1) JPS60500909A (cs)
AT (1) ATE37017T1 (cs)
AU (1) AU569070B2 (cs)
BR (1) BR8407074A (cs)
CA (1) CA1211919A (cs)
DE (1) DE3473867D1 (cs)
DK (1) DK558184A (cs)
ES (1) ES8507078A1 (cs)
FI (1) FI78054C (cs)
GR (1) GR81479B (cs)
IL (1) IL71295A (cs)
IN (1) IN160318B (cs)
IT (1) IT1173450B (cs)
LU (1) LU84713A1 (cs)
MA (1) MA20070A1 (cs)
MX (1) MX168186B (cs)
OA (1) OA07998A (cs)
PH (1) PH21586A (cs)
SU (1) SU1653540A3 (cs)
WO (1) WO1984003690A1 (cs)
ZA (1) ZA842107B (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3583209D1 (de) * 1984-11-05 1991-07-18 Prayon Dev Sa Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat.
JPS63144107A (ja) * 1986-12-08 1988-06-16 Mitsui Toatsu Chem Inc 高濃度燐酸−半水石こうスラリ−の濾過方法
US5169444A (en) * 1986-02-20 1992-12-08 Gebruder Knauf Westdeutsche Gipswerke Kg Process for preparing calcium sulfate anhydrite
BE1019055A3 (fr) * 2009-12-02 2012-02-07 Prayon Technologies Procede de production d'acide phosphorique.
EP2714589B1 (fr) * 2011-06-01 2015-12-16 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
BR112015021526A2 (pt) * 2013-03-08 2017-07-18 Mosaic Co produção de ácido fosfórico por um processo de cristalização em dois estágios
RU2599525C1 (ru) * 2015-04-23 2016-10-10 Открытое акционерное общество "Научно-исследовательский институт по удобрениям и инсектофунгицидам имени профессора Я.В. Самойлова" (ОАО "НИУИФ") Способ получения экстракционной фосфорной кислоты
CN105776303A (zh) * 2016-01-30 2016-07-20 瓮福（集团）有限责任公司 一种α型半水石膏的生产方法
BE1023754B1 (fr) * 2016-06-23 2017-07-12 Prayon Technologies Procede de production de sulfate de calcium
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen
MX2020001482A (es) * 2017-08-11 2020-08-20 Prayon Tech Proceso de ataque con acido de una fuente de fosfato.
DE102020100241A1 (de) * 2020-01-08 2021-07-08 Thyssenkrupp Ag Verfahren zur Herstellung von Phosphorsäure und Klinkerprozess-geeigneter Kalziumsulfatqualität zur kommerziellen und industriellen Verwertung von Kalziumsulfat
BE1032252B1 (fr) 2023-12-20 2025-07-22 Prayon Procédé de production d'acide phosphorique
BE1032259B1 (fr) 2023-12-21 2025-07-23 Prayon Procédé de détermination de la faisabilité de production d'un produit à base de phosphore au départ d'une source phosphatée

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL29556C (cs) * 1930-02-13
GB1092055A (en) * 1964-03-06 1967-11-22 Roman Chelminski Process for the production of phosphoric acid
US3416887A (en) * 1964-08-05 1968-12-17 Central Glass Co Ltd Method of manufacturing wet process phosphoric acid
US3632307A (en) * 1969-04-09 1972-01-04 Albatros Super Fosfaatfabrieke Process for the preparation of phosphoric acid and gypsum from phosphate rock
JPS5035519B2 (cs) * 1971-12-27 1975-11-17
GB1520273A (en) * 1974-07-06 1978-08-02 Fisons Ltd Phosphoric acid and gypsum from phosphatic material
JPS5851884B2 (ja) * 1975-08-13 1983-11-18 日産化学工業株式会社 濾過性の良好な半水石膏を含有する高濃度燐酸の製造方法
FR2409230A1 (fr) * 1977-11-16 1979-06-15 Rhone Poulenc Ind Procede de fabrication d'acide phosphorique
NL7909057A (nl) * 1979-12-15 1981-07-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van fosforzuur en calciumsulfaathemihydraat.

Also Published As

Publication number Publication date
ES530972A0 (es) 1985-09-16
FI78054B (fi) 1989-02-28
ES8507078A1 (es) 1985-09-16
PH21586A (en) 1987-12-11
JPH0454615B2 (cs) 1992-08-31
MX168186B (es) 1993-05-10
IL71295A (en) 1987-10-20
ATE37017T1 (de) 1988-09-15
CA1211919A (en) 1986-09-30
MA20070A1 (fr) 1984-10-01
GR81479B (cs) 1984-12-11
DK558184D0 (da) 1984-11-23
IT8420123A0 (it) 1984-03-19
ZA842107B (en) 1984-10-31
SU1653540A3 (ru) 1991-05-30
EP0169842A1 (fr) 1986-02-05
WO1984003690A1 (fr) 1984-09-27
IL71295A0 (en) 1984-06-29
BR8407074A (pt) 1985-08-27
US4588570A (en) 1986-05-13
IT1173450B (it) 1987-06-24
EP0169842B1 (fr) 1988-09-07
JPS60500909A (ja) 1985-06-20
AU2651484A (en) 1984-10-09
IN160318B (cs) 1987-07-04
FI851524L (fi) 1985-04-17
AU569070B2 (en) 1988-01-21
DE3473867D1 (en) 1988-10-13
FI851524A0 (fi) 1985-04-17
DK558184A (da) 1984-11-23
FI78054C (fi) 1989-06-12
OA07998A (fr) 1987-01-31

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