NL7805162A - METHOD FOR TREATING PHOSPHORIC ACID PREPARED BY WET PROCESS - Google Patents

METHOD FOR TREATING PHOSPHORIC ACID PREPARED BY WET PROCESS

Info

Publication number
NL7805162A
NL7805162A NL7805162A NL7805162A NL7805162A NL 7805162 A NL7805162 A NL 7805162A NL 7805162 A NL7805162 A NL 7805162A NL 7805162 A NL7805162 A NL 7805162A NL 7805162 A NL7805162 A NL 7805162A
Authority
NL
Netherlands
Prior art keywords
phosphoric acid
wet process
acid prepared
treating phosphoric
treating
Prior art date
Application number
NL7805162A
Other languages
Dutch (nl)
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 NL7805162A publication Critical patent/NL7805162A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
NL7805162A 1978-03-06 1978-05-12 METHOD FOR TREATING PHOSPHORIC ACID PREPARED BY WET PROCESS NL7805162A (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
NL7805162A true NL7805162A (en) 1979-09-10

Family

ID=25382470

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7805162A NL7805162A (en) 1978-03-06 1978-05-12 METHOD FOR TREATING PHOSPHORIC ACID PREPARED BY WET PROCESS

Country Status (8)

Country Link
JP (1) JPS54118396A (en)
AU (1) AU499517B2 (en)
BR (1) BR7803039A (en)
DE (1) DE2818728C3 (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
CA776577A (en) * 1968-01-23 G. Brown Martin Production of phosphoric acid and gypsum
CA463505A (en) * 1950-03-07 R. Singer Marshall Manufacture of phosphoric acid
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
NL131991C (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
BR7803039A (en) 1979-11-27
IT1109503B (en) 1985-12-16
DE2818728B2 (en) 1980-01-24
MX148659A (en) 1983-05-26
ZA782579B (en) 1979-04-25
JPS6149243B2 (en) 1986-10-28
DE2818728C3 (en) 1988-02-11
DE2818728A1 (en) 1979-09-13
AU499517B2 (en) 1979-04-26
JPS54118396A (en) 1979-09-13

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Legal Events

Date Code Title Description
A1C A request for examination has been filed
BN A decision not to publish the application has become irrevocable