BE872015A - Procede de fabrication d'acide phosphorique - Google Patents

Procede de fabrication d'acide phosphorique

Info

Publication number
BE872015A
BE872015A BE191735A BE191735A BE872015A BE 872015 A BE872015 A BE 872015A BE 191735 A BE191735 A BE 191735A BE 191735 A BE191735 A BE 191735A BE 872015 A BE872015 A BE 872015A
Authority
BE
Belgium
Prior art keywords
manufacturing process
phosphoric acid
acid manufacturing
phosphoric
manufacturing
Prior art date
Application number
BE191735A
Other languages
English (en)
French (fr)
Original Assignee
Rhone Poulenc Ind
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 Rhone Poulenc Ind filed Critical Rhone Poulenc Ind
Publication of BE872015A publication Critical patent/BE872015A/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BE191735A 1977-11-16 1978-11-14 Procede de fabrication d'acide phosphorique BE872015A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7734395A FR2409230A1 (fr) 1977-11-16 1977-11-16 Procede de fabrication d'acide phosphorique

Publications (1)

Publication Number Publication Date
BE872015A true BE872015A (fr) 1979-05-14

Family

ID=9197661

Family Applications (1)

Application Number Title Priority Date Filing Date
BE191735A BE872015A (fr) 1977-11-16 1978-11-14 Procede de fabrication d'acide phosphorique

Country Status (11)

Country Link
US (1) US4524057A (pt)
AU (1) AU518965B2 (pt)
BE (1) BE872015A (pt)
BR (1) BR7807491A (pt)
CA (1) CA1103423A (pt)
FR (1) FR2409230A1 (pt)
IL (1) IL55956A (pt)
OA (1) OA06104A (pt)
SU (1) SU1223838A3 (pt)
YU (1) YU264078A (pt)
ZA (1) ZA786430B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4424196A (en) * 1982-06-29 1984-01-03 United States Gypsum Company Phosphohemihydrate process for purification of gypsum
LU84713A1 (fr) * 1983-03-25 1984-11-14 Prayon Soc Procede et preparation d'acide phosphorique et de sulfate de calcium hemihydrate alpha
DE3583209D1 (de) * 1984-11-05 1991-07-18 Prayon Dev Sa Kontinuierliches verfahren zur herstellung von phosphorsaeure und von calciumsulfat.
JPS63144107A (ja) * 1986-12-08 1988-06-16 Mitsui Toatsu Chem Inc 高濃度燐酸−半水石こうスラリ−の濾過方法
US20030224075A1 (en) * 2002-02-21 2003-12-04 Jue-Chen Liu Soy composition for balancing combination skin
BE1023754B1 (fr) * 2016-06-23 2017-07-12 Prayon Technologies Procede de production de sulfate de calcium
CA3072408A1 (fr) * 2017-08-11 2019-02-14 Prayon Technologies Procede d'attaque acide d'une source phosphatee
CN113148968B (zh) * 2021-05-24 2022-12-30 云南云天化股份有限公司 一种湿法磷加工生产α-半水石膏的方法

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
IL55956A0 (en) 1979-01-31
FR2409230A1 (fr) 1979-06-15
FR2409230B1 (pt) 1981-05-29
US4524057A (en) 1985-06-18
CA1103423A (fr) 1981-06-23
AU518965B2 (en) 1981-10-29
AU4160978A (en) 1979-05-24
BR7807491A (pt) 1979-07-24
OA06104A (fr) 1981-06-30
IL55956A (en) 1981-09-13
ZA786430B (en) 1979-10-31
YU264078A (en) 1982-06-30
SU1223838A3 (ru) 1986-04-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RHONE-POULENC INDUSTRIES

Effective date: 19881130