ES2026853T3 - Procedimiento para la preparacion de acido fosforico crudo. - Google Patents

Procedimiento para la preparacion de acido fosforico crudo.

Info

Publication number
ES2026853T3
ES2026853T3 ES198787101255T ES87101255T ES2026853T3 ES 2026853 T3 ES2026853 T3 ES 2026853T3 ES 198787101255 T ES198787101255 T ES 198787101255T ES 87101255 T ES87101255 T ES 87101255T ES 2026853 T3 ES2026853 T3 ES 2026853T3
Authority
ES
Spain
Prior art keywords
phosphoric acid
procedure
preparation
washing
fogs
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
ES198787101255T
Other languages
English (en)
Spanish (es)
Inventor
Gunther Dr. Schimmel
Friedrich Dr. Kolkmann
Reinhard Dr. Gradl
Herbert Dr. Ressel
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2026853T3 publication Critical patent/ES2026853T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/2208Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00Phosphorus; Compounds thereof
    • C01B25/16Oxyacids of phosphorus; Salts thereof
    • C01B25/18Phosphoric acid
    • C01B25/22Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222Preparation 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
    • C01B25/223Preparation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Saccharide Compounds (AREA)
  • Fuel Cell (AREA)
  • Fertilizers (AREA)
ES198787101255T 1986-02-17 1987-01-29 Procedimiento para la preparacion de acido fosforico crudo. Expired - Lifetime ES2026853T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863604920 DE3604920A1 (de) 1986-02-17 1986-02-17 Verfahren zur herstellung von rohphosphorsaeure

Publications (1)

Publication Number Publication Date
ES2026853T3 true ES2026853T3 (es) 1992-05-16

Family

ID=6294237

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787101255T Expired - Lifetime ES2026853T3 (es) 1986-02-17 1987-01-29 Procedimiento para la preparacion de acido fosforico crudo.

Country Status (10)

Country Link
US (1) US4780294A (h)
EP (1) EP0233523B1 (h)
JP (1) JPS62191408A (h)
DE (2) DE3604920A1 (h)
ES (1) ES2026853T3 (h)
IL (1) IL81585A (h)
IN (1) IN169199B (h)
MA (1) MA20867A1 (h)
NO (1) NO170923B (h)
TN (1) TNSN87020A1 (h)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000040507A1 (fr) * 1998-12-28 2000-07-13 Toyo Boseki Kabushiki Kaisha Procede de purification de l'acide phosphorique et acide polyphosphorique de grande purete
WO2023083958A1 (en) * 2021-11-12 2023-05-19 Takhim For Technology And Business Services Process for the production of a purified phosphoric acid solution and/or dicalcium phosphate salts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2003051A (en) * 1933-07-05 1935-05-28 Victor Chemical Works Purification of strong phosphoric acid
US3511604A (en) * 1967-04-07 1970-05-12 Continental Oil Co Corrosion inhibition during phosphate rock acidulation
SE418845B (sv) * 1979-05-10 1981-06-29 Boliden Ab Forfarande for rening av vatprocessfosforsyra
JPS59184291A (ja) * 1983-04-04 1984-10-19 Mitsubishi Heavy Ind Ltd 高温還元性ガスの精製方法

Also Published As

Publication number Publication date
US4780294A (en) 1988-10-25
DE3773404D1 (de) 1991-11-07
JPS62191408A (ja) 1987-08-21
NO870600L (no) 1987-08-18
IN169199B (h) 1991-09-14
MA20867A1 (fr) 1987-10-01
TNSN87020A1 (fr) 1990-01-01
NO170923B (no) 1992-09-21
EP0233523A3 (en) 1989-02-08
EP0233523B1 (de) 1991-10-02
IL81585A (en) 1990-06-10
NO870600D0 (no) 1987-02-16
DE3604920A1 (de) 1987-08-20
EP0233523A2 (de) 1987-08-26
IL81585A0 (en) 1987-09-16

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