PH15673A - Decolorization/purification of crude wet-process phosphoric acid - Google Patents
Decolorization/purification of crude wet-process phosphoric acidInfo
- Publication number
- PH15673A PH15673A PH24856A PH24856A PH15673A PH 15673 A PH15673 A PH 15673A PH 24856 A PH24856 A PH 24856A PH 24856 A PH24856 A PH 24856A PH 15673 A PH15673 A PH 15673A
- Authority
- PH
- Philippines
- Prior art keywords
- decolorization
- purification
- phosphoric acid
- process phosphoric
- crude wet
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
-
- 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
-
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/462—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being alcohol or a mixture of alcohols
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7928530A FR2470090B1 (fr) | 1979-11-20 | 1979-11-20 | Procede de purification d'un acide phosphorique de voie humide |
Publications (1)
Publication Number | Publication Date |
---|---|
PH15673A true PH15673A (en) | 1983-03-11 |
Family
ID=9231871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH24856A PH15673A (en) | 1979-11-20 | 1980-11-13 | Decolorization/purification of crude wet-process phosphoric acid |
Country Status (16)
Country | Link |
---|---|
US (1) | US4330516A (xx) |
EP (1) | EP0030487B1 (xx) |
JP (1) | JPS6049122B2 (xx) |
AU (1) | AU534948B2 (xx) |
BR (1) | BR8007518A (xx) |
CA (1) | CA1141144A (xx) |
DE (1) | DE3070337D1 (xx) |
FR (1) | FR2470090B1 (xx) |
IL (1) | IL61498A (xx) |
MA (1) | MA19001A1 (xx) |
MX (1) | MX7232E (xx) |
OA (1) | OA06707A (xx) |
PH (1) | PH15673A (xx) |
SU (1) | SU1526579A3 (xx) |
YU (2) | YU43125B (xx) |
ZA (1) | ZA807182B (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1198575A (en) * | 1981-11-23 | 1985-12-31 | Richard G. Grotyohann | Process for removal of residual organic matter and color from purified phosphoric acid |
FR2520342A1 (fr) * | 1982-01-25 | 1983-07-29 | Rhone Poulenc Chim Base | Procede de purification d'acide phosphorique de voie humide |
US4503022A (en) * | 1982-08-23 | 1985-03-05 | International Minerals & Chemical Corp. | Process for oxidation of wet process phosphoric acid |
DE3325862A1 (de) * | 1983-07-18 | 1985-01-31 | Hoechst Ag, 6230 Frankfurt | Verfahren und vorrichtung zur entfernung von organischen verunreinigungen aus nassverfahrensphosphorsaeure |
US4590051A (en) * | 1984-10-31 | 1986-05-20 | Fmc Corporation | Sodium tripolyphosphate manufacture |
US4643883A (en) * | 1986-01-22 | 1987-02-17 | International Minerals & Chemical Corp. | Method of decolorizing wet process phosphoric acid |
JP2535882B2 (ja) * | 1987-03-09 | 1996-09-18 | 東ソー株式会社 | 精製リン酸中の溶解有機物の除去法 |
DE3806822A1 (de) * | 1988-03-03 | 1989-09-14 | Hoechst Ag | Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure |
EP0366189A3 (en) * | 1988-10-24 | 1992-01-02 | Norwich Eaton Pharmaceuticals, Inc. | Novel antimicrobial lactam-quinolones |
DE102005057913A1 (de) * | 2005-12-02 | 2007-06-06 | Vopelius Chemie Ag | Verfahren zur Entfernung von Verunreinigungen und/oder zur Entfärbung von gebrauchter Phosphorsäure |
CN109941979A (zh) * | 2019-04-30 | 2019-06-28 | 舒爱桦 | 一种高效肥料磷酸制食品级磷酸的工艺 |
CN114436228A (zh) * | 2022-01-29 | 2022-05-06 | 贵州芭田生态工程有限公司 | 一种将脱硝和除杂的磷酸进行脱色制备高纯度磷酸的工艺 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1387492A (fr) * | 1964-02-18 | 1965-01-29 | Monsanto Co | Procédé de purification d'acide phosphorique |
FR1531487A (fr) * | 1967-05-11 | 1968-07-05 | Pechiney Saint Gobain | Procédé continu perfectionné de purification de l'acide phosphorique par les solvants |
IL40253A (en) * | 1972-08-30 | 1975-04-25 | Imi Inst For Res & Dev | Removal of dissolved organic matter from acidic aqueous solution |
JPS5651122B2 (xx) * | 1973-05-10 | 1981-12-03 | ||
DE2522220C3 (de) * | 1975-05-20 | 1982-05-13 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Beseitigung der organischen Verunreinigungen in wässrigen Phosphorsäurelösungen |
JPS5297394A (en) * | 1976-02-13 | 1977-08-16 | Toyo Soda Mfg Co Ltd | Removal of organic matter in phosphoric acid |
JPS5380389A (en) * | 1976-12-27 | 1978-07-15 | Toyo Soda Mfg Co Ltd | Extractive purification method for wet-process phosphoric acid |
JPS5493695A (en) * | 1978-01-06 | 1979-07-24 | Central Glass Co Ltd | Removing method for organic matter in phosphoric acid |
JPS54119397A (en) * | 1978-03-10 | 1979-09-17 | Central Glass Co Ltd | Removing method for organic matter in phosphoric acid |
US4256570A (en) * | 1979-03-19 | 1981-03-17 | International Minerals & Chemical Corporation | Purification of phosphoric acid |
-
1979
- 1979-11-20 FR FR7928530A patent/FR2470090B1/fr not_active Expired
-
1980
- 1980-11-03 US US06/203,490 patent/US4330516A/en not_active Expired - Lifetime
- 1980-11-12 DE DE8080401608T patent/DE3070337D1/de not_active Expired
- 1980-11-12 EP EP80401608A patent/EP0030487B1/fr not_active Expired
- 1980-11-13 PH PH24856A patent/PH15673A/en unknown
- 1980-11-17 IL IL61498A patent/IL61498A/xx unknown
- 1980-11-18 YU YU2938/80A patent/YU43125B/xx unknown
- 1980-11-18 BR BR8007518A patent/BR8007518A/pt unknown
- 1980-11-18 MX MX809166U patent/MX7232E/es unknown
- 1980-11-19 SU SU803006999A patent/SU1526579A3/ru active
- 1980-11-19 CA CA000365043A patent/CA1141144A/fr not_active Expired
- 1980-11-19 AU AU64500/80A patent/AU534948B2/en not_active Ceased
- 1980-11-19 MA MA19203A patent/MA19001A1/fr unknown
- 1980-11-19 ZA ZA00807182A patent/ZA807182B/xx unknown
- 1980-11-20 JP JP55162733A patent/JPS6049122B2/ja not_active Expired
- 1980-11-20 OA OA57255A patent/OA06707A/xx unknown
-
1983
- 1983-01-31 YU YU205/83A patent/YU43296B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA807182B (en) | 1981-11-25 |
SU1526579A3 (ru) | 1989-11-30 |
BR8007518A (pt) | 1981-06-02 |
OA06707A (fr) | 1982-05-31 |
EP0030487B1 (fr) | 1985-03-20 |
MX7232E (es) | 1988-01-25 |
CA1141144A (fr) | 1983-02-15 |
FR2470090A1 (fr) | 1981-05-29 |
AU6450080A (en) | 1981-05-28 |
FR2470090B1 (fr) | 1986-04-04 |
YU293880A (en) | 1983-04-30 |
YU20583A (en) | 1986-02-28 |
US4330516A (en) | 1982-05-18 |
IL61498A0 (en) | 1980-12-31 |
JPS5678408A (en) | 1981-06-27 |
JPS6049122B2 (ja) | 1985-10-31 |
DE3070337D1 (en) | 1985-04-25 |
AU534948B2 (en) | 1984-02-23 |
EP0030487A1 (fr) | 1981-06-17 |
YU43296B (en) | 1989-06-30 |
YU43125B (en) | 1989-04-30 |
MA19001A1 (fr) | 1981-07-01 |
IL61498A (en) | 1984-07-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PH15673A (en) | Decolorization/purification of crude wet-process phosphoric acid | |
JPS55126517A (en) | Purification of phosphoric acid | |
DE3370786D1 (en) | Process for the purification of wet-process phosphoric acid | |
JPS55100208A (en) | Purification of crude phosphoric acid | |
EG12812A (en) | Purification of wet-processed phosphoric acid | |
JPS5520772A (en) | Manufacture of phosphoric acid triester | |
GB2039869B (en) | Treatment of impure phosphoric acid | |
IL49928A (en) | Purification of crude phosphoric acid | |
ZA83442B (en) | Purification of phosphoric acid | |
JPS55154999A (en) | Novel purification of ursodeoxycholic acid | |
AU518507B2 (en) | Purification of wet process phosphoric acid | |
ZA808086B (en) | Purification of wet process phosphoric acid | |
DE3361243D1 (en) | Process for the purification of wet-process phosphoric acid | |
IL51165A (en) | Purification of extracted phosphoric acid | |
PH14537A (en) | Process for the purification of an impure phosphoric acid | |
YU194678A (en) | Process for the purification of phosphoric acid | |
JPS55100207A (en) | Preparation of phosphoric acid | |
JPS5632498A (en) | Purification of chenodeoxycholic acid | |
AU497424B2 (en) | Purification of phosphoric acid | |
CS194118B1 (en) | Process for the purification of extraction phosphoric acid | |
JPS53146296A (en) | Improved method of purifying phosphoric acid | |
JPS5716894A (en) | Manufacture of phosphoric acid derivatives of aminothiomethylcarbamates | |
JPS53117692A (en) | Method of purifying wet phosphoric acid | |
JPS55143933A (en) | Purification of crude terephthalic acid |