BR7700498A - Processo para remocao de ions sulfato de acido fosforico extraido,e acido fosforico assim preparado - Google Patents
Processo para remocao de ions sulfato de acido fosforico extraido,e acido fosforico assim preparadoInfo
- Publication number
- BR7700498A BR7700498A BR7700498A BR7700498A BR7700498A BR 7700498 A BR7700498 A BR 7700498A BR 7700498 A BR7700498 A BR 7700498A BR 7700498 A BR7700498 A BR 7700498A BR 7700498 A BR7700498 A BR 7700498A
- Authority
- BR
- Brazil
- Prior art keywords
- phosphoric acid
- sulphate
- prepared
- extracted
- removing ions
- Prior art date
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Removal Of Specific Substances (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1394376A JPS5297389A (en) | 1976-02-13 | 1976-02-13 | Removal of sulfate ion in extracted phosphoric acid |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7700498A true BR7700498A (pt) | 1977-10-18 |
Family
ID=11847279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7700498A BR7700498A (pt) | 1976-02-13 | 1977-01-27 | Processo para remocao de ions sulfato de acido fosforico extraido,e acido fosforico assim preparado |
Country Status (9)
Country | Link |
---|---|
US (1) | US4041134A (pt) |
JP (1) | JPS5297389A (pt) |
BR (1) | BR7700498A (pt) |
DE (1) | DE2704073C3 (pt) |
FR (1) | FR2340904A1 (pt) |
GB (1) | GB1516480A (pt) |
IL (1) | IL51164A (pt) |
IT (1) | IT1075651B (pt) |
MX (1) | MX144901A (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2437377A1 (fr) * | 1978-09-29 | 1980-04-25 | Rhone Poulenc Ind | Procede d'obtention d'un acide phosphorique desulfate pour usage alimentaire |
FR2447348A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de purification d'un acide phosphorique impur |
JP3836634B2 (ja) * | 1999-07-15 | 2006-10-25 | 富士写真フイルム株式会社 | 希土類賦活アルカリ土類金属弗化ハロゲン化物系輝尽性蛍光体前駆体結晶の製造装置 |
BE1029993B1 (fr) * | 2021-12-27 | 2023-09-25 | Prayon | Méthode de purification d’au moins une solution aqueuse d’acide phosphorique |
CN116216672A (zh) * | 2022-12-16 | 2023-06-06 | 贵州芭田生态工程有限公司 | 一种制备磷酸过程中脱除硫酸根的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE419175A (pt) * | 1935-12-28 | |||
US2929777A (en) * | 1958-12-11 | 1960-03-22 | Int Minerals & Chem Corp | Clarification of acidic phosphatic solutions |
US3367738A (en) * | 1963-09-23 | 1968-02-06 | Tennessee Corp | Process for purifying wet process phosphoric acid with ethyl ether |
FR1435877A (fr) * | 1965-01-18 | 1966-04-22 | Pechiney Saint Gobain | Procédé de purification d'acide phosphorique |
JPS4321173Y1 (pt) * | 1966-11-19 | 1968-09-05 | ||
US3554694A (en) * | 1969-06-02 | 1971-01-12 | Cities Service Co | Process for producing fluosilicates |
DE2047261C3 (de) * | 1970-09-25 | 1975-07-17 | Chemische Fabrik Budenheim, Rudolf A. Oetker, 6501 Budenheim | Verfahren zur Entfernung von Eisen aus Phosphorsäure |
DE2218382C3 (de) * | 1972-04-15 | 1975-08-21 | Gebrueder Giulini Gmbh, 6700 Ludwigshafen | Verfahren zur Herstellung von reinem Calciumsulfat beim Phosphorsäurenaßaufschluß |
-
1976
- 1976-02-13 JP JP1394376A patent/JPS5297389A/ja active Granted
- 1976-06-11 US US05/695,309 patent/US4041134A/en not_active Expired - Lifetime
- 1976-12-27 IL IL51164A patent/IL51164A/xx unknown
- 1976-12-31 GB GB54481/76A patent/GB1516480A/en not_active Expired
-
1977
- 1977-01-07 MX MX167627A patent/MX144901A/es unknown
- 1977-01-26 FR FR7702108A patent/FR2340904A1/fr active Granted
- 1977-01-27 BR BR7700498A patent/BR7700498A/pt unknown
- 1977-02-01 DE DE2704073A patent/DE2704073C3/de not_active Expired
- 1977-02-11 IT IT20194/77A patent/IT1075651B/it active
Also Published As
Publication number | Publication date |
---|---|
US4041134A (en) | 1977-08-09 |
JPS5297389A (en) | 1977-08-16 |
MX144901A (es) | 1981-12-02 |
IT1075651B (it) | 1985-04-22 |
FR2340904A1 (fr) | 1977-09-09 |
JPS5426237B2 (pt) | 1979-09-03 |
FR2340904B1 (pt) | 1981-06-19 |
DE2704073C3 (de) | 1979-05-31 |
IL51164A0 (en) | 1977-02-28 |
IL51164A (en) | 1979-10-31 |
DE2704073A1 (de) | 1977-08-18 |
GB1516480A (en) | 1978-07-05 |
DE2704073B2 (de) | 1978-10-05 |
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