DE3583209D1 - Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat. - Google Patents

Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat.

Info

Publication number
DE3583209D1
DE3583209D1 DE8585201733T DE3583209T DE3583209D1 DE 3583209 D1 DE3583209 D1 DE 3583209D1 DE 8585201733 T DE8585201733 T DE 8585201733T DE 3583209 T DE3583209 T DE 3583209T DE 3583209 D1 DE3583209 D1 DE 3583209D1
Authority
DE
Germany
Prior art keywords
phosphoric acid
calcium sulfate
continuous process
producing phosphoric
producing
Prior art date
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 - Lifetime
Application number
DE8585201733T
Other languages
English (en)
Inventor
Armand Laurent Davister
Francis Arthur Thirion
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.)
Prayon Development SA
Original Assignee
Prayon Development SA
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
Priority claimed from LU85628A external-priority patent/LU85628A1/fr
Priority claimed from LU85906A external-priority patent/LU85906A1/fr
Application filed by Prayon Development SA filed Critical Prayon Development SA
Application granted granted Critical
Publication of DE3583209D1 publication Critical patent/DE3583209D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C01B25/229—Hemihydrate-dihydrate process
    • 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
    • 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
    • C01B25/223—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 only one form of calcium sulfate being formed
    • C01B25/225—Dihydrate process
    • 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
    • C01B25/223—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 only one form of calcium sulfate being formed
    • C01B25/226—Hemihydrate process
    • 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
    • C01B25/2285—Dihydrate-anhydrite or hemihydrate-anhydrite process
    • 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
    • C01B25/231—Dihydrate-hemihydrate process
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
DE8585201733T 1984-11-05 1985-10-24 Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat. Expired - Lifetime DE3583209D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU85628A LU85628A1 (fr) 1984-11-05 1984-11-05 Procede continu de preparation d'acide phosphorique et de sulfate de calcium
LU85906A LU85906A1 (fr) 1985-05-21 1985-05-21 Procede de preparation d'acide phosphorique et de sulfate de calcium

Publications (1)

Publication Number Publication Date
DE3583209D1 true DE3583209D1 (de) 1991-07-18

Family

ID=26640309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585201733T Expired - Lifetime DE3583209D1 (de) 1984-11-05 1985-10-24 Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat.

Country Status (19)

Country Link
US (1) US4777027A (de)
EP (1) EP0181029B1 (de)
JP (1) JPH0617215B2 (de)
CN (1) CN1007237B (de)
AU (1) AU579414B2 (de)
BR (1) BR8505501A (de)
CA (1) CA1264408A (de)
DE (1) DE3583209D1 (de)
DZ (1) DZ854A1 (de)
ES (1) ES8801889A1 (de)
FI (1) FI83209C (de)
GR (1) GR852672B (de)
IL (1) IL76914A (de)
IN (1) IN166398B (de)
MA (1) MA20561A1 (de)
MX (1) MX168102B (de)
OA (1) OA08544A (de)
PH (1) PH23909A (de)
SU (1) SU1614756A3 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4011716A1 (de) * 1990-04-11 1991-10-17 Hoechst Ag Verfahren zur herstellung von alkaliphosphatloesungen
US6235257B1 (en) * 1991-03-14 2001-05-22 Gordon F. Palm Process waters in phosphate manufacturing
US5262963A (en) * 1991-06-28 1993-11-16 Imc Fertilizer, Inc. Automatic control system for phosphoric acid plant
US5188812A (en) * 1991-11-13 1993-02-23 Imc Fertilizer, Inc. Automatic control system for a phosacid attack tank and filter
US5395603A (en) * 1993-04-21 1995-03-07 Imc Fertilizer, Inc. Automatic control system for a chemical process, especially a wet process phosphoric acid plant
CN1340457A (zh) * 2000-09-01 2002-03-20 山东鲁北企业集团总公司 一种磷酸生产工艺
BRPI0400875A (pt) * 2004-03-08 2004-11-30 Copebras Ltda Processo e aparelho para produção de ácido fosfórico
BE1016065A3 (fr) 2004-06-01 2006-02-07 Prayon Technologies Procede de production d'acide phosphorique.
FR2873119B1 (fr) * 2004-07-13 2008-02-01 Vichem Soc Par Actions Simplif Procede perfectionne de fabrication d'acide phosphorique
BE1019055A3 (fr) * 2009-12-02 2012-02-07 Prayon Technologies Procede de production d'acide phosphorique.
US9371230B2 (en) * 2011-06-01 2016-06-21 Prayton Technologies Dihydrate-hemihydrate process for producing phosphoric acid
CN105008273A (zh) * 2013-03-08 2015-10-28 美盛有限公司 通过两阶段结晶工艺进行的磷酸生产
CN105217590B (zh) * 2015-09-18 2017-05-10 金正大诺泰尔化学有限公司 一种生产湿法磷酸副产α半水石膏和高纯度高白度α半水石膏的方法
CN105253867B (zh) 2015-09-18 2017-10-17 金正大生态工程集团股份有限公司 一种湿法磷酸副产α半水石膏的生产方法
EA202090239A1 (ru) * 2017-08-11 2020-05-12 Прэйон Текнолоджиз Способ кислотного разложения источника фосфата
CN107840316B (zh) * 2017-10-30 2019-07-19 安徽六国化工股份有限公司 一种二步法二水湿法磷酸生产工艺
CN107840317B (zh) * 2017-10-30 2019-12-03 安徽六国化工股份有限公司 一种一步法二水-半水湿法磷酸生产工艺
FR3073218B1 (fr) * 2017-11-09 2022-04-01 Coatex Sas Preparation d'acide phosphorique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632307A (en) * 1969-04-09 1972-01-04 Albatros Super Fosfaatfabrieke Process for the preparation of phosphoric acid and gypsum from phosphate rock
LU78457A1 (fr) * 1977-11-04 1979-06-13 Prayon Soc Procede de fabrication d'acide phosphorique
FR2409230A1 (fr) * 1977-11-16 1979-06-15 Rhone Poulenc Ind Procede de fabrication d'acide phosphorique
US4277448A (en) * 1977-12-29 1981-07-07 Occidental Petroleum Corporation Phosphoric acid process with high circulation rates
US4276270A (en) * 1978-01-06 1981-06-30 Occidental Research Corporation Start-up procedure in producing phosphoric acid by the hemihydrate process
US4452770A (en) * 1981-12-14 1984-06-05 United States Gypsum Company Phosphoanhydrite process
LU84713A1 (fr) * 1983-03-25 1984-11-14 Prayon Soc Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha

Also Published As

Publication number Publication date
JPH0617215B2 (ja) 1994-03-09
JPS61168510A (ja) 1986-07-30
ES549112A0 (es) 1988-03-16
IL76914A (en) 1988-07-31
AU4915385A (en) 1986-05-15
CN85109003A (zh) 1986-05-10
GR852672B (de) 1986-03-05
CA1264408A (en) 1990-01-16
FI83209C (fi) 1991-06-10
IN166398B (de) 1990-04-28
FI854256L (fi) 1986-05-06
EP0181029A2 (de) 1986-05-14
DZ854A1 (fr) 2004-09-13
MA20561A1 (fr) 1986-07-01
US4777027A (en) 1988-10-11
EP0181029A3 (en) 1987-06-16
CN1007237B (zh) 1990-03-21
FI854256A0 (fi) 1985-10-30
IL76914A0 (en) 1986-04-29
OA08544A (fr) 1988-09-30
EP0181029B1 (de) 1991-06-12
BR8505501A (pt) 1986-08-05
ES8801889A1 (es) 1988-03-16
FI83209B (fi) 1991-02-28
SU1614756A3 (ru) 1990-12-15
PH23909A (en) 1989-12-18
MX168102B (es) 1993-05-04
AU579414B2 (en) 1988-11-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee