AU499517B2 - Treating wet-process phosphoric acid - Google Patents

Treating wet-process phosphoric acid

Info

Publication number
AU499517B2
AU499517B2 AU35531/78A AU3553178A AU499517B2 AU 499517 B2 AU499517 B2 AU 499517B2 AU 35531/78 A AU35531/78 A AU 35531/78A AU 3553178 A AU3553178 A AU 3553178A AU 499517 B2 AU499517 B2 AU 499517B2
Authority
AU
Australia
Prior art keywords
phosphoric acid
process phosphoric
treating wet
wet
treating
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
AU35531/78A
Other versions
AU3553178A (en
Inventor
R. N Hill
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.)
WR Grace and Co
Original Assignee
WR Grace and 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 WR Grace and Co filed Critical WR Grace and Co
Application granted granted Critical
Publication of AU3553178A publication Critical patent/AU3553178A/en
Publication of AU499517B2 publication Critical patent/AU499517B2/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
    • C01B25/234—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)
AU35531/78A 1978-03-06 1978-04-27 Treating wet-process phosphoric acid Expired AU499517B2 (en)

Applications Claiming Priority (2)

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
USUS883381 1978-03-06

Publications (2)

Publication Number Publication Date
AU3553178A AU3553178A (en) 1979-04-26
AU499517B2 true AU499517B2 (en) 1979-04-26

Family

ID=25382470

Family Applications (1)

Application Number Title Priority Date Filing Date
AU35531/78A Expired AU499517B2 (en) 1978-03-06 1978-04-27 Treating wet-process phosphoric acid

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
NL7805162A (en) 1979-09-10
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
JPS54118396A (en) 1979-09-13

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