ATE21882T1 - Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein. - Google Patents

Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein.

Info

Publication number
ATE21882T1
ATE21882T1 AT83300957T AT83300957T ATE21882T1 AT E21882 T1 ATE21882 T1 AT E21882T1 AT 83300957 T AT83300957 T AT 83300957T AT 83300957 T AT83300957 T AT 83300957T AT E21882 T1 ATE21882 T1 AT E21882T1
Authority
AT
Austria
Prior art keywords
gypsum
phosphoric acid
phosphate
acid
rock phosphate
Prior art date
Application number
AT83300957T
Other languages
English (en)
Inventor
Manohar Vaidya
Gururaj Yalgurdraj Purohit
Radheshyam Vyas
Path
Original Assignee
Dharamsi Morarji Chem Co
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 GB8205334A external-priority patent/GB2094282B/en
Application filed by Dharamsi Morarji Chem Co filed Critical Dharamsi Morarji Chem Co
Application granted granted Critical
Publication of ATE21882T1 publication Critical patent/ATE21882T1/de

Links

Classifications

    • 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
    • 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
    • C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
AT83300957T 1982-02-23 1983-02-23 Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein. ATE21882T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8205334A GB2094282B (en) 1981-02-27 1982-02-23 Phosphoric acid manufacture

Publications (1)

Publication Number Publication Date
ATE21882T1 true ATE21882T1 (de) 1986-09-15

Family

ID=10528552

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83300957T ATE21882T1 (de) 1982-02-23 1983-02-23 Verfahren zur herstellung von phosphorsaeure und gips in marktgaengiger form aus phosphatgestein.

Country Status (3)

Country Link
EP (1) EP0087323B1 (de)
AT (1) ATE21882T1 (de)
DE (1) DE3365775D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2548653B1 (fr) * 1983-07-05 1986-11-07 Rhone Poulenc Chim Base Procede de fabrication d'acide phosphorique
US5531975A (en) * 1990-12-31 1996-07-02 Phosphate Engineering And Construction Co., Inc. Process for the production of phosphoric acid and calcium fluoride
US5180569A (en) * 1990-12-31 1993-01-19 Phosphate Engineering And Construction Company Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid
BE1013634A3 (fr) * 2000-08-03 2002-05-07 Ecophos Procede de production d'acide phosphorique.
JP4890974B2 (ja) 2006-06-29 2012-03-07 キヤノン株式会社 画像処理装置、及び画像処理方法
KR102025867B1 (ko) 2017-07-13 2019-09-27 씨제이제일제당 주식회사 인산을 발효액 또는 발효 폐액으로부터 회수 및 재사용하는 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR633828A (fr) * 1926-12-31 1928-02-04 Procédé pour traiter le phosphate brut et d'autres matières contenant du phosphate de calcium insoluble
US2636806A (en) * 1950-05-19 1953-04-28 Tennessee Corp Acidulation of phosphate rock

Also Published As

Publication number Publication date
EP0087323A1 (de) 1983-08-31
DE3365775D1 (en) 1986-10-09
EP0087323B1 (de) 1986-09-03

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee