ZA782579B - Process of treating wet-process phosphoric acid - Google Patents

Process of treating wet-process phosphoric acid

Info

Publication number
ZA782579B
ZA782579B ZA00782579A ZA782579A ZA782579B ZA 782579 B ZA782579 B ZA 782579B ZA 00782579 A ZA00782579 A ZA 00782579A ZA 782579 A ZA782579 A ZA 782579A ZA 782579 B ZA782579 B ZA 782579B
Authority
ZA
South Africa
Prior art keywords
phosphoric acid
treating wet
wet
treating
process phosphoric
Prior art date
Application number
ZA00782579A
Inventor
R Hill
Original Assignee
Grace W R & 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 US05/883,381 external-priority patent/US4164550A/en
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of ZA782579B publication Critical patent/ZA782579B/en

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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
ZA00782579A 1978-03-06 1978-05-05 Process of treating wet-process phosphoric acid ZA782579B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/883,381 US4164550A (en) 1976-05-06 1978-03-06 Production of stabilized wet process phosphoric acid

Publications (1)

Publication Number Publication Date
ZA782579B true ZA782579B (en) 1979-04-25

Family

ID=25382470

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00782579A ZA782579B (en) 1978-03-06 1978-05-05 Process of treating wet-process phosphoric acid

Country Status (8)

Country Link
JP (1) JPS54118396A (en)
AU (1) AU499517B2 (en)
BR (1) BR7803039A (en)
DE (1) DE2818728B2 (en)
IT (1) IT1109503B (en)
MX (1) MX148659A (en)
NL (1) NL7805162A (en)
ZA (1) ZA782579B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0548018Y2 (en) * 1989-01-20 1993-12-20

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA463505A (en) * 1950-03-07 R. Singer Marshall Manufacture of phosphoric acid
CA776577A (en) * 1968-01-23 G. Brown Martin Production of phosphoric acid and gypsum
CA637832A (en) * 1962-03-06 American Cyanamid Company Phosphoric acid preparation
US2883266A (en) * 1956-06-29 1959-04-21 Swift & Co Production of sodium silico fluoride and fluorine-free phosphoric acid
US2987376A (en) * 1956-12-27 1961-06-06 Int Minerals & Chem Corp Method for defluorination of phosphoric acid
US3151941A (en) * 1960-05-02 1964-10-06 Smith Douglass Company Inc Defluorination of peosphoric acid
US3141734A (en) * 1960-10-25 1964-07-21 Int Minerals & Chem Corp Method of clarifying acidic phosphatic solutions
US3160495A (en) * 1961-03-28 1964-12-08 Minerals & Chem Philipp Corp Wet process phosphoric acid and liquid fertilizer compositions containing the same
US3193351A (en) * 1961-07-05 1965-07-06 Nat Distillers Chem Corp Removal of fluorine from wet process prosphoric acid
BE638821A (en) * 1962-11-09
GB1113922A (en) * 1964-08-19 1968-05-15 Fisons Ltd Clarifying phosphoric acid
NL151045B (en) * 1964-11-30 1976-10-15 Windmill Holland Bv METHOD FOR THE REMOVAL OF FLUOR FROM PHOSPHORIC ACID.
US3528771A (en) * 1967-10-10 1970-09-15 Int Minerals & Chem Corp Phosphoric acid clarification
CA1042180A (en) * 1973-12-13 1978-11-14 Sergio O. Pierres Stabilization of wet process phosphoric acid
DE2719701C3 (en) * 1976-05-06 1986-10-02 W.R. Grace & Co., New York, N.Y. Process for converting wet phosphoric acid into a concentrated phosphoric acid which does not tend to precipitate

Also Published As

Publication number Publication date
IT7823108A0 (en) 1978-05-05
IT1109503B (en) 1985-12-16
AU499517B2 (en) 1979-04-26
BR7803039A (en) 1979-11-27
DE2818728A1 (en) 1979-09-13
JPS54118396A (en) 1979-09-13
MX148659A (en) 1983-05-26
NL7805162A (en) 1979-09-10
DE2818728B2 (en) 1980-01-24
DE2818728C3 (en) 1988-02-11
JPS6149243B2 (en) 1986-10-28

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