BR7803039A - Processo para preparacao de um acido fosforico de processo umido - Google Patents

Processo para preparacao de um acido fosforico de processo umido

Info

Publication number
BR7803039A
BR7803039A BR7803039A BR7803039A BR7803039A BR 7803039 A BR7803039 A BR 7803039A BR 7803039 A BR7803039 A BR 7803039A BR 7803039 A BR7803039 A BR 7803039A BR 7803039 A BR7803039 A BR 7803039A
Authority
BR
Brazil
Prior art keywords
preparation
phosphoric acid
humid
humid process
phosphoric
Prior art date
Application number
BR7803039A
Other languages
English (en)
Portuguese (pt)
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 BR7803039A publication Critical patent/BR7803039A/pt

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)
BR7803039A 1978-03-06 1978-05-15 Processo para preparacao de um acido fosforico de processo umido BR7803039A (pt)

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
BR7803039A true BR7803039A (pt) 1979-11-27

Family

ID=25382470

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7803039A BR7803039A (pt) 1978-03-06 1978-05-15 Processo para preparacao de um acido fosforico de processo umido

Country Status (8)

Country Link
JP (1) JPS54118396A (US20080293856A1-20081127-C00150.png)
AU (1) AU499517B2 (US20080293856A1-20081127-C00150.png)
BR (1) BR7803039A (US20080293856A1-20081127-C00150.png)
DE (1) DE2818728C3 (US20080293856A1-20081127-C00150.png)
IT (1) IT1109503B (US20080293856A1-20081127-C00150.png)
MX (1) MX148659A (US20080293856A1-20081127-C00150.png)
NL (1) NL7805162A (US20080293856A1-20081127-C00150.png)
ZA (1) ZA782579B (US20080293856A1-20081127-C00150.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0548018Y2 (US20080293856A1-20081127-C00150.png) * 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
CA637832A (en) * 1962-03-06 American Cyanamid Company Phosphoric acid preparation
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
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 (US20080293856A1-20081127-C00150.png) * 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
DE2818728A1 (de) 1979-09-13
JPS6149243B2 (US20080293856A1-20081127-C00150.png) 1986-10-28
MX148659A (es) 1983-05-26
IT1109503B (it) 1985-12-16
AU499517B2 (en) 1979-04-26
DE2818728C3 (de) 1988-02-11
ZA782579B (en) 1979-04-25
DE2818728B2 (de) 1980-01-24
JPS54118396A (en) 1979-09-13
IT7823108A0 (it) 1978-05-05

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