NL295743A - - Google Patents
Info
- Publication number
- NL295743A NL295743A NL295743DA NL295743A NL 295743 A NL295743 A NL 295743A NL 295743D A NL295743D A NL 295743DA NL 295743 A NL295743 A NL 295743A
- 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
- C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR905016A FR1336816A (fr) | 1962-07-25 | 1962-07-25 | Clarification de solutions d'acide phosphorique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL295743A true NL295743A (xx) |
Family
ID=8783887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL295743D NL295743A (xx) | 1962-07-25 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT245534B (xx) |
| DE (1) | DE1467110B2 (xx) |
| ES (1) | ES290283A1 (xx) |
| FR (1) | FR1336816A (xx) |
| GB (1) | GB1020015A (xx) |
| NL (1) | NL295743A (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651122B2 (xx) * | 1973-05-10 | 1981-12-03 | ||
| JPS5018388A (xx) * | 1973-06-21 | 1975-02-26 | ||
| DE2522220C3 (de) * | 1975-05-20 | 1982-05-13 | Giulini Chemie Gmbh, 6700 Ludwigshafen | Verfahren zur Beseitigung der organischen Verunreinigungen in wässrigen Phosphorsäurelösungen |
| LU80676A1 (fr) * | 1978-12-19 | 1980-07-21 | Metallurgie Hoboken | Procede pour enlever des agents salissants de l'acide phosphorique |
| FR2447347A1 (fr) * | 1979-01-24 | 1980-08-22 | Rhone Poulenc Ind | Procede de traitement d'un acide phosphorique impur |
| US4291005A (en) * | 1979-04-23 | 1981-09-22 | American Cyanamid Company | Settling out suspended solids in phosphoric acid product solutions |
| US4248846A (en) * | 1979-07-03 | 1981-02-03 | W. R. Grace & Co. | Production of stabilized wet process phosphoric acid |
| JPS58125607A (ja) * | 1982-01-18 | 1983-07-26 | Toyo Soda Mfg Co Ltd | 湿式リン酸から有機物を除く方法 |
| DE3444975A1 (de) * | 1984-12-10 | 1986-06-12 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entarsenierung von phosphorsauren loesungen |
| DE3631290A1 (de) * | 1986-09-13 | 1988-03-24 | Budenheim Rud A Oetker Chemie | Verfahren zur behandlung von nassverfahrensphosphorsaeure |
| US4808391A (en) * | 1987-05-01 | 1989-02-28 | Farmland Industries, Inc. | Oxidation-reduction process for enhancing the color of and stabilizing wet process 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 |
| CN102649657B (zh) * | 2012-05-18 | 2013-07-10 | 成都市新都化工股份有限公司 | 一种大量元素全水溶肥生产方法 |
-
0
- NL NL295743D patent/NL295743A/xx unknown
-
1962
- 1962-07-25 FR FR905016A patent/FR1336816A/fr not_active Expired
-
1963
- 1963-07-16 GB GB2815863A patent/GB1020015A/en not_active Expired
- 1963-07-24 AT AT591963A patent/AT245534B/de active
- 1963-07-24 DE DE19631467110 patent/DE1467110B2/de not_active Withdrawn
- 1963-07-24 ES ES0290283A patent/ES290283A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1467110A1 (de) | 1969-08-28 |
| DE1467110B2 (de) | 1970-11-12 |
| GB1020015A (en) | 1966-02-16 |
| AT245534B (de) | 1966-03-10 |
| FR1336816A (fr) | 1963-09-06 |
| ES290283A1 (es) | 1964-02-16 |