JPS6149243B2 - - Google Patents

Info

Publication number
JPS6149243B2
JPS6149243B2 JP53055694A JP5569478A JPS6149243B2 JP S6149243 B2 JPS6149243 B2 JP S6149243B2 JP 53055694 A JP53055694 A JP 53055694A JP 5569478 A JP5569478 A JP 5569478A JP S6149243 B2 JPS6149243 B2 JP S6149243B2
Authority
JP
Japan
Prior art keywords
acid
weight
content
phosphoric acid
preconcentrated
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
JP53055694A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54118396A (en
Inventor
Enu Hiru Richaado
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
Publication of JPS54118396A publication Critical patent/JPS54118396A/ja
Publication of JPS6149243B2 publication Critical patent/JPS6149243B2/ja
Granted 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)
JP5569478A 1978-03-06 1978-05-12 Treatment of wet type phosphoric acid Granted JPS54118396A (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 (2)

Publication Number Publication Date
JPS54118396A JPS54118396A (en) 1979-09-13
JPS6149243B2 true JPS6149243B2 (it) 1986-10-28

Family

ID=25382470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5569478A Granted JPS54118396A (en) 1978-03-06 1978-05-12 Treatment of wet type phosphoric acid

Country Status (8)

Country Link
JP (1) JPS54118396A (it)
AU (1) AU499517B2 (it)
BR (1) BR7803039A (it)
DE (1) DE2818728C3 (it)
IT (1) IT1109503B (it)
MX (1) MX148659A (it)
NL (1) NL7805162A (it)
ZA (1) ZA782579B (it)

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 (it) * 1962-11-09
GB1113922A (en) * 1964-08-19 1968-05-15 Fisons Ltd Clarifying phosphoric acid
NL151045B (nl) * 1964-11-30 1976-10-15 Windmill Holland Bv Werkwijze voor het verwijderen van fluor uit fosforzuur.
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 (de) * 1976-05-06 1986-10-02 W.R. Grace & Co., New York, N.Y. Verfahren zur Überführung von Naßphosphorsäure in eine nicht zu Ausfällungen neigende konzentrierte Phosphorsäure

Also Published As

Publication number Publication date
NL7805162A (nl) 1979-09-10
DE2818728B2 (de) 1980-01-24
DE2818728A1 (de) 1979-09-13
IT1109503B (it) 1985-12-16
BR7803039A (pt) 1979-11-27
ZA782579B (en) 1979-04-25
AU499517B2 (en) 1979-04-26
MX148659A (es) 1983-05-26
JPS54118396A (en) 1979-09-13
IT7823108A0 (it) 1978-05-05
DE2818728C3 (de) 1988-02-11

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