GB1250191A - - Google Patents

Info

Publication number
GB1250191A
GB1250191A GB1250191DA GB1250191A GB 1250191 A GB1250191 A GB 1250191A GB 1250191D A GB1250191D A GB 1250191DA GB 1250191 A GB1250191 A GB 1250191A
Authority
GB
United Kingdom
Prior art keywords
gypsum
caso
filtration
phosphoric acid
aqueous solution
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
Other languages
English (en)
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 filed Critical
Publication of GB1250191A publication Critical patent/GB1250191A/en
Expired legal-status Critical Current

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)
  • Adhesives Or Adhesive Processes (AREA)
GB1250191D 1968-07-04 1968-07-04 Expired GB1250191A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3198268 1968-07-04

Publications (1)

Publication Number Publication Date
GB1250191A true GB1250191A (de) 1971-10-20

Family

ID=10331279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250191D Expired GB1250191A (de) 1968-07-04 1968-07-04

Country Status (9)

Country Link
JP (1) JPS5417597B1 (de)
AT (1) AT301486B (de)
BE (1) BE735078A (de)
BR (1) BR6910443D0 (de)
DE (1) DE1933692B2 (de)
ES (1) ES369090A2 (de)
FR (1) FR2012292A6 (de)
GB (1) GB1250191A (de)
NL (1) NL6910092A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309395A (en) * 1980-04-21 1982-01-05 Hauge Douglas O Phosphoric acid production

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029743A (en) * 1975-12-24 1977-06-14 Hauge Douglas O Phosphoric acid manufacture
US4424196A (en) * 1982-06-29 1984-01-03 United States Gypsum Company Phosphohemihydrate process for purification of gypsum
US4853201A (en) * 1988-07-11 1989-08-01 Occidental Chemical Corporation Recovery of P2 O5 values from phosphoric acid hemihydrate crystals
DE19817245A1 (de) * 1998-04-18 1999-10-28 Loh Kg Rittal Werk Schaltschrank
DE102016212242B4 (de) 2016-07-05 2019-02-07 Technische Universität Bergakademie Freiberg Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309395A (en) * 1980-04-21 1982-01-05 Hauge Douglas O Phosphoric acid production

Also Published As

Publication number Publication date
DE1933692B2 (de) 1977-06-16
NL6910092A (de) 1970-01-06
JPS5417597B1 (de) 1979-06-30
AT301486B (de) 1972-09-11
DE1933692A1 (de) 1970-01-15
ES369090A2 (es) 1976-11-16
BR6910443D0 (pt) 1973-05-31
FR2012292A6 (de) 1970-03-20
BE735078A (de) 1969-12-24

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee