KR102722152B1 - 산을 사용한 포스페이트 공급원의 에칭 방법 - Google Patents

산을 사용한 포스페이트 공급원의 에칭 방법 Download PDF

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Publication number
KR102722152B1
KR102722152B1 KR1020207006747A KR20207006747A KR102722152B1 KR 102722152 B1 KR102722152 B1 KR 102722152B1 KR 1020207006747 A KR1020207006747 A KR 1020207006747A KR 20207006747 A KR20207006747 A KR 20207006747A KR 102722152 B1 KR102722152 B1 KR 102722152B1
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phosphate
treatment
liquid phase
calcium
content
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KR20200040266A (ko
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알렉산드레 와브레일레
리비오 레더러
레온 니나네
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프라이온 테크놀로지스
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    • 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
    • C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
    • 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
    • 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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • 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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/322—Preparation by neutralisation of orthophosphoric acid
    • 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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/324—Preparation from a reaction solution obtained by acidifying with an acid other than orthophosphoric acid
    • 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
    • C01B25/26—Phosphates
    • C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
    • C01B25/327—After-treatment

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fertilizers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • ing And Chemical Polishing (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
KR1020207006747A 2017-08-11 2018-08-10 산을 사용한 포스페이트 공급원의 에칭 방법 Active KR102722152B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BEBE2017/5554 2017-08-11
BE201705554 2017-08-11
PCT/EP2018/071818 WO2019030403A1 (fr) 2017-08-11 2018-08-10 Procede d'attaque acide d'une source phosphatee

Publications (2)

Publication Number Publication Date
KR20200040266A KR20200040266A (ko) 2020-04-17
KR102722152B1 true KR102722152B1 (ko) 2024-10-25

Family

ID=59856313

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207006747A Active KR102722152B1 (ko) 2017-08-11 2018-08-10 산을 사용한 포스페이트 공급원의 에칭 방법

Country Status (25)

Country Link
US (1) US11407640B2 (https=)
EP (1) EP3665124B1 (https=)
JP (1) JP7417516B2 (https=)
KR (1) KR102722152B1 (https=)
CN (1) CN110997560B (https=)
AR (1) AR112732A1 (https=)
AU (1) AU2018312948B2 (https=)
BE (1) BE1025894B1 (https=)
CA (1) CA3072408A1 (https=)
DK (1) DK3665124T3 (https=)
EA (1) EA202090239A1 (https=)
ES (1) ES2901100T3 (https=)
IL (1) IL272456B2 (https=)
JO (1) JOP20200027A1 (https=)
LT (1) LT3665124T (https=)
MA (1) MA49829B1 (https=)
MX (1) MX2020001482A (https=)
PE (1) PE20201139A1 (https=)
PL (1) PL3665124T3 (https=)
PY (1) PY1867367A (https=)
RS (1) RS62693B1 (https=)
SA (1) SA520411232B1 (https=)
UY (1) UY37841A (https=)
WO (1) WO2019030403A1 (https=)
ZA (1) ZA202000723B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3153419C (en) * 2022-03-25 2026-04-21 Saudi Arabian Mining Company (Ma'aden) Integrated process to upgrade low-grade calcareous phosphate ore with low co2 emissions and low phosphogypsum waste
WO2025008341A1 (en) * 2023-07-04 2025-01-09 Prayon Process for producing a phosphate containing product from a phosphate source by digestion with sulphuric acid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005087661A1 (en) * 2004-03-16 2005-09-22 Abburi Visweswara Rao A cyclic process for the continuous production of dicalcium phosphate

Family Cites Families (30)

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Publication number Priority date Publication date Assignee Title
GB793801A (en) * 1954-04-22 1958-04-23 John Newton Carothers Process for the recovery of values from phosphate rock
GB938468A (en) 1958-07-23 1963-10-02 Dorr Oliver Inc Phosphate leaching
US3161466A (en) 1961-01-26 1964-12-15 Earl A Fallin Production and purification of phosphatic materials
US3453076A (en) * 1966-05-09 1969-07-01 Lummus Co Phosphoric acid process
US3919395A (en) * 1970-11-18 1975-11-11 United States Gypsum Co Process for extraction of phosphorus compounds
JPS5175697A (ja) * 1974-12-27 1976-06-30 Onoda Chem Ind Co Ltd Rinkosekinobunkaihoho
KR810000069B1 (ko) * 1975-11-24 1981-02-12 쌔디이어스 에스 스넬 인산염광물 함유 물질로부터 인산염을 회수하는 방법
DE140028C (https=) * 1976-07-07 Occidental Petroleum Corp
FR2409230A1 (fr) * 1977-11-16 1979-06-15 Rhone Poulenc Ind Procede de fabrication d'acide phosphorique
US4154799A (en) * 1978-03-27 1979-05-15 United States Gypsum Company Dicalcium phosphate manufacture
US4248846A (en) * 1979-07-03 1981-02-03 W. R. Grace & Co. Production of stabilized wet process phosphoric acid
US4393032A (en) * 1982-01-12 1983-07-12 Pennzoil Company Production of phosphoric acid and additional products from phosphate ore
US4479923A (en) * 1982-01-12 1984-10-30 Pennzoil Company Production of phosphoric acid and additional products from phosphate ore
LU84713A1 (fr) * 1983-03-25 1984-11-14 Prayon Soc Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha
JPS59207818A (ja) * 1983-05-09 1984-11-26 Toyo Sutoufuaa Chem:Kk 高純度無水第二リン酸カルシウムの製造方法
EP0181029B1 (fr) * 1984-11-05 1991-06-12 Prayon Développement Société anonyme Procédé continu de préparation d'acide phosphorique et de sulfate de calcium
ATE229475T1 (de) * 1998-09-23 2002-12-15 Waal Willem P D De Herstellung von dicalciumphosphat oder monocalciumphosphat aus calciumphosphat
ZA989823B (en) * 1998-10-28 1999-07-28 Dirk Guustaaf Mantel Treatment of phospho gypsum
ZA200002638B (en) * 2000-05-26 2001-01-31 Jan Christoffel De Waal The production of dicalcium phosphate or monocalcium phosphate.
BE1015013A3 (fr) * 2002-06-28 2004-08-03 Ecophos Procede de production d'acide phosphorique et/ou d'un sel de celui-ci et produits ainsi obtenus.
BE1016065A3 (fr) 2004-06-01 2006-02-07 Prayon Technologies Procede de production d'acide phosphorique.
US7374740B2 (en) * 2005-03-31 2008-05-20 Cargill, Incorporated Process for producing high purity phosphates
CN1978313A (zh) * 2005-12-06 2007-06-13 四川大学 一种弱酸浸取重过磷酸钙制备精细磷酸钙盐的方法
BE1019055A3 (fr) 2009-12-02 2012-02-07 Prayon Technologies Procede de production d'acide phosphorique.
BR112013030374B1 (pt) 2011-06-01 2019-12-31 Prayon Tech método para a produção de ácido fosfórico
SE537780C3 (https=) * 2013-05-02 2015-12-08
TN2016000226A1 (en) 2013-12-02 2017-10-06 Ecophos S A Source of phosphate for agriculture and the food industry.
DE102014006278B3 (de) * 2014-05-02 2015-02-26 Remondis Aqua Gmbh & Co. Kg Verfahren zur Reinigung von Roh-Phosphorsäure (z.B. MGA-Säure) durch Zugabe von Aschen aus Abfall-Verbrennungsanlagen umfassend die Gewinnung von reiner Phosphorsäure, Kalziumsulfat, wasserlöslichen Kalziumhydrogenphosphaten und Metallsalz-Lösung
BE1023754B1 (fr) * 2016-06-23 2017-07-12 Prayon Technologies Procede de production de sulfate de calcium
CN106348266B (zh) * 2016-08-25 2019-02-12 贵州川恒化工股份有限公司 半水工艺制备磷酸联产石膏粉的方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005087661A1 (en) * 2004-03-16 2005-09-22 Abburi Visweswara Rao A cyclic process for the continuous production of dicalcium phosphate

Also Published As

Publication number Publication date
UY37841A (es) 2019-03-29
CA3072408A1 (fr) 2019-02-14
ES2901100T3 (es) 2022-03-21
PE20201139A1 (es) 2020-10-26
AU2018312948B2 (en) 2023-12-14
AR112732A1 (es) 2019-12-04
BE1025894A1 (fr) 2019-08-01
EP3665124B1 (fr) 2021-09-29
DK3665124T3 (da) 2022-01-03
EA202090239A1 (ru) 2020-05-12
CN110997560B (zh) 2023-10-03
CN110997560A (zh) 2020-04-10
US11407640B2 (en) 2022-08-09
SA520411232B1 (ar) 2023-02-15
PY1867367A (es) 2020-02-11
KR20200040266A (ko) 2020-04-17
MA49829B1 (fr) 2021-12-31
US20200165133A1 (en) 2020-05-28
JP2020530431A (ja) 2020-10-22
IL272456B1 (en) 2024-02-01
JOP20200027A1 (ar) 2020-02-06
IL272456A (en) 2020-03-31
MX2020001482A (es) 2020-08-20
EP3665124A1 (fr) 2020-06-17
BE1025894B1 (fr) 2020-02-21
ZA202000723B (en) 2021-08-25
BR112020002477A2 (pt) 2020-07-28
MA49829A (fr) 2021-05-12
RS62693B1 (sr) 2022-01-31
AU2018312948A1 (en) 2020-02-27
LT3665124T (lt) 2021-12-27
IL272456B2 (en) 2024-06-01
WO2019030403A1 (fr) 2019-02-14
JP7417516B2 (ja) 2024-01-18
PL3665124T3 (pl) 2022-01-31

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