DE2818728C3 - - Google Patents

Info

Publication number
DE2818728C3
DE2818728C3 DE2818728A DE2818728A DE2818728C3 DE 2818728 C3 DE2818728 C3 DE 2818728C3 DE 2818728 A DE2818728 A DE 2818728A DE 2818728 A DE2818728 A DE 2818728A DE 2818728 C3 DE2818728 C3 DE 2818728C3
Authority
DE
Germany
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
DE2818728A
Other languages
German (de)
Other versions
DE2818728A1 (de
DE2818728B2 (de
Inventor
Richard Newton Lakeland Fla. Us 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
Publication of DE2818728A1 publication Critical patent/DE2818728A1/de
Publication of DE2818728B2 publication Critical patent/DE2818728B2/de
Application granted granted Critical
Publication of DE2818728C3 publication Critical patent/DE2818728C3/de
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)
DE2818728A 1978-03-06 1978-04-28 Verfahren zur Überführung von Naßphosphorsäuve in eine nicht zu Ausfällungen neigende konzentrierte Phosphorsäure Granted DE2818728B2 (de)

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 (3)

Publication Number Publication Date
DE2818728A1 DE2818728A1 (de) 1979-09-13
DE2818728B2 DE2818728B2 (de) 1980-01-24
DE2818728C3 true DE2818728C3 (ja) 1988-02-11

Family

ID=25382470

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2818728A Granted DE2818728B2 (de) 1978-03-06 1978-04-28 Verfahren zur Überführung von Naßphosphorsäuve in eine nicht zu Ausfällungen neigende konzentrierte Phosphorsäure

Country Status (8)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0548018Y2 (ja) * 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
NL300215A (ja) * 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
DE2818728A1 (de) 1979-09-13
IT7823108A0 (it) 1978-05-05
BR7803039A (pt) 1979-11-27
DE2818728B2 (de) 1980-01-24
NL7805162A (nl) 1979-09-10
JPS54118396A (en) 1979-09-13
ZA782579B (en) 1979-04-25
JPS6149243B2 (ja) 1986-10-28
AU499517B2 (en) 1979-04-26
MX148659A (es) 1983-05-26
IT1109503B (it) 1985-12-16

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