AU499517B2 - Treating wet-process phosphoric acid - Google Patents
Treating wet-process phosphoric acidInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0548018Y2 (en) * | 1989-01-20 | 1993-12-20 |
Family Cites Families (15)
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 |
-
1978
- 1978-04-27 AU AU35531/78A patent/AU499517B2/en not_active Expired
- 1978-04-28 DE DE2818728A patent/DE2818728C3/en not_active Expired
- 1978-05-05 IT IT23108/78A patent/IT1109503B/en active
- 1978-05-05 ZA ZA00782579A patent/ZA782579B/en unknown
- 1978-05-10 MX MX173415A patent/MX148659A/en unknown
- 1978-05-12 NL NL7805162A patent/NL7805162A/en active Search and Examination
- 1978-05-12 JP JP5569478A patent/JPS54118396A/en active Granted
- 1978-05-15 BR BR7803039A patent/BR7803039A/en unknown
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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