NL7114963A - - Google Patents
Info
- Publication number
- NL7114963A NL7114963A NL7114963A NL7114963A NL7114963A NL 7114963 A NL7114963 A NL 7114963A NL 7114963 A NL7114963 A NL 7114963A NL 7114963 A NL7114963 A NL 7114963A NL 7114963 A NL7114963 A NL 7114963A
- Authority
- NL
- Netherlands
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8580770A | 1970-10-30 | 1970-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7114963A true NL7114963A (xx) | 1972-05-03 |
Family
ID=22194081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7114963A NL7114963A (xx) | 1970-10-30 | 1971-10-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3694153A (xx) |
| JP (1) | JPS5743524B1 (xx) |
| BE (1) | BE774658A (xx) |
| DE (1) | DE2152377A1 (xx) |
| GB (1) | GB1361800A (xx) |
| NL (1) | NL7114963A (xx) |
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 |
| EP2666763B1 (en) * | 2012-05-24 | 2014-12-31 | Purac Biochem B.V. | Carboxylic acid recovery from magnesium carboxylate mixture |
-
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 JP JP46085177A patent/JPS5743524B1/ja active Pending
- 1971-10-28 BE BE774658A patent/BE774658A/xx unknown
- 1971-10-29 NL NL7114963A patent/NL7114963A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3694153A (en) | 1972-09-26 |
| BE774658A (fr) | 1972-02-14 |
| GB1361800A (en) | 1974-07-30 |
| DE2152377A1 (de) | 1972-05-04 |
| JPS5743524B1 (xx) | 1982-09-16 |