DE3365775D1 - A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate - Google Patents

A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate

Info

Publication number
DE3365775D1
DE3365775D1 DE8383300957T DE3365775T DE3365775D1 DE 3365775 D1 DE3365775 D1 DE 3365775D1 DE 8383300957 T DE8383300957 T DE 8383300957T DE 3365775 T DE3365775 T DE 3365775T DE 3365775 D1 DE3365775 D1 DE 3365775D1
Authority
DE
Germany
Prior art keywords
gypsum
phosphoric acid
rock phosphate
phosphate
acid
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
Application number
DE8383300957T
Other languages
English (en)
Inventor
Manohar Takshasheela Co Vaidya
Gururaj Yalgurdraj Purohit
Radheshyam Vyas
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.)
DHARAMSI MORARJI CHEMICAL COMP
Original Assignee
DHARAMSI MORARJI CHEMICAL COMP
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 CHEMICAL COMP filed Critical DHARAMSI MORARJI CHEMICAL COMP
Application granted granted Critical
Publication of DE3365775D1 publication Critical patent/DE3365775D1/de
Expired legal-status Critical Current

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)
DE8383300957T 1982-02-23 1983-02-23 A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate Expired DE3365775D1 (en)

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
DE3365775D1 true DE3365775D1 (en) 1986-10-09

Family

ID=10528552

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383300957T Expired DE3365775D1 (en) 1982-02-23 1983-02-23 A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate

Country Status (3)

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

Families Citing this family (7)

* 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
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
US5531975A (en) * 1990-12-31 1996-07-02 Phosphate Engineering And Construction Co., Inc. Process for the production of phosphoric acid and calcium fluoride
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
KR20230138803A (ko) 2022-03-24 2023-10-05 씨제이제일제당 (주) 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
EP0087323B1 (de) 1986-09-03
ATE21882T1 (de) 1986-09-15
EP0087323A1 (de) 1983-08-31

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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