BE774658A - Extraction liquide-liquide pour la purification de l'acide phosphoriqu - Google Patents
Extraction liquide-liquide pour la purification de l'acide phosphoriquInfo
- Publication number
- BE774658A BE774658A BE774658A BE774658A BE774658A BE 774658 A BE774658 A BE 774658A BE 774658 A BE774658 A BE 774658A BE 774658 A BE774658 A BE 774658A BE 774658 A BE774658 A BE 774658A
- Authority
- BE
- Belgium
- Prior art keywords
- liquid
- phosphoric acid
- acid purification
- extraction
- liquid extraction
- 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
- C01B25/237—Selective elimination of 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
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
- C01B25/238—Cationic impurities, e.g. arsenic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8580770A | 1970-10-30 | 1970-10-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE774658A true BE774658A (fr) | 1972-02-14 |
Family
ID=22194081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE774658A BE774658A (fr) | 1970-10-30 | 1971-10-28 | Extraction liquide-liquide pour la purification de l'acide phosphoriqu |
Country Status (6)
Country | Link |
---|---|
US (1) | US3694153A (fr) |
JP (1) | JPS5743524B1 (fr) |
BE (1) | BE774658A (fr) |
DE (1) | DE2152377A1 (fr) |
GB (1) | GB1361800A (fr) |
NL (1) | NL7114963A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108963A (en) * | 1974-06-25 | 1978-08-22 | Produits Chimiques Ugine Kuhlmann | Process for purifying phosphoric acid |
US4082836A (en) * | 1975-07-02 | 1978-04-04 | Occidental Petroleum Corporation | Process for the purification of phosphoric acid by extraction |
US4284614A (en) * | 1976-04-13 | 1981-08-18 | Occidental Petroleum Corp. | Process for production of high purity phosphoric acid from high alumina phosphate pebble rock |
US4053564A (en) * | 1976-05-20 | 1977-10-11 | Occidental Petroleum Company | Extraction process for purification of phosphoric acid |
JPS5380389A (en) * | 1976-12-27 | 1978-07-15 | Toyo Soda Mfg Co Ltd | Extractive purification method for wet-process phosphoric acid |
US4256716A (en) * | 1979-03-01 | 1981-03-17 | Occidental Research Corporation | Process for treating loaded extractant from purification of phosphoric acid by extraction |
US4275038A (en) * | 1979-03-01 | 1981-06-23 | Occidental Research Corporation | Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients |
US4311681A (en) * | 1980-05-19 | 1982-01-19 | Fmc Corporation | Method of regenerating phosphoric acid extraction solvent |
US4521392A (en) * | 1980-12-05 | 1985-06-04 | Occidental Chemical Agricultural Products, Inc. | Process for blending phosphoric acids of differing impurity content |
US4376756A (en) * | 1980-12-05 | 1983-03-15 | Occidental Chemical Company | Process for blending phosphoric acids of differing impurity content |
US4457899A (en) * | 1981-11-23 | 1984-07-03 | Mobil Oil Corporation | Process for removal of residual organic matter from purified phosphoric acid |
US9187327B2 (en) * | 2011-01-04 | 2015-11-17 | Nalco Company | Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid |
HUE024575T2 (hu) * | 2012-05-24 | 2016-02-29 | Purac Biochem Bv | Karbonsav kinyerése magnézium-karboxilát elegybõl |
-
1970
- 1970-10-30 US US85807A patent/US3694153A/en not_active Expired - Lifetime
-
1971
- 1971-10-07 GB GB4677071A patent/GB1361800A/en not_active Expired
- 1971-10-21 DE DE19712152377 patent/DE2152377A1/de active Pending
- 1971-10-28 BE BE774658A patent/BE774658A/fr unknown
- 1971-10-28 JP JP46085177A patent/JPS5743524B1/ja active Pending
- 1971-10-29 NL NL7114963A patent/NL7114963A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7114963A (fr) | 1972-05-03 |
GB1361800A (en) | 1974-07-30 |
US3694153A (en) | 1972-09-26 |
JPS5743524B1 (fr) | 1982-09-16 |
DE2152377A1 (de) | 1972-05-04 |
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