FI44226B - - Google Patents
Info
- Publication number
- FI44226B FI44226B FI0285/66A FI28566A FI44226B FI 44226 B FI44226 B FI 44226B FI 0285/66 A FI0285/66 A FI 0285/66A FI 28566 A FI28566 A FI 28566A FI 44226 B FI44226 B FI 44226B
- Authority
- FI
- Finland
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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB6101/65A GB1135951A (en) | 1965-02-12 | 1965-02-12 | Phosphoric acid |
| GB3167465 | 1965-07-24 | ||
| GB5087165 | 1965-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI44226B true FI44226B (fi) | 1971-06-30 |
Family
ID=27254767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI0285/66A FI44226B (fi) | 1965-02-12 | 1966-02-04 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3418077A (fi) |
| BE (1) | BE676166A (fi) |
| DE (1) | DE1567516C3 (fi) |
| DK (1) | DK117289B (fi) |
| ES (1) | ES322743A1 (fi) |
| FI (1) | FI44226B (fi) |
| FR (1) | FR1468050A (fi) |
| GB (1) | GB1135951A (fi) |
| NL (1) | NL6601527A (fi) |
| SE (1) | SE316750C (fi) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140748A (en) * | 1976-07-07 | 1979-02-20 | Occidental Petroleum Corporation | Hemihydrate type phosphoric acid process with crystal modifier |
| US3632307A (en) * | 1969-04-09 | 1972-01-04 | Albatros Super Fosfaatfabrieke | Process for the preparation of phosphoric acid and gypsum from phosphate rock |
| GB1557663A (en) * | 1975-08-01 | 1979-12-12 | Albright & Wilson | Process for preparing phosphore acid |
| US4029743A (en) * | 1975-12-24 | 1977-06-14 | Hauge Douglas O | Phosphoric acid manufacture |
| US4196172A (en) * | 1976-07-07 | 1980-04-01 | Occidental Petroleum Corporation | Hemihydrate type phosphoric acid process |
| DE146443C (fi) * | 1976-07-07 | Occidental Petroleum Corp | ||
| US4258008A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | System for phosphoric acid production with decreased foaming |
| US4258007A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | Feed system for phosphoric acid production with decreased foaming |
| US4277448A (en) * | 1977-12-29 | 1981-07-07 | Occidental Petroleum Corporation | Phosphoric acid process with high circulation rates |
| US4220630A (en) * | 1978-01-04 | 1980-09-02 | Occidental Petroleum Corporation | Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability |
| US4276270A (en) * | 1978-01-06 | 1981-06-30 | Occidental Research Corporation | Start-up procedure in producing phosphoric acid by the hemihydrate process |
| US4260584A (en) * | 1978-05-26 | 1981-04-07 | Occidental Petroleum Corporation | Apparatus useful for wet process phosphoric acid production |
| US4363786A (en) * | 1978-05-26 | 1982-12-14 | Occidental Chemical Corp. | Apparatus for reacting a particulate solid and a liquid |
| FR2468548A1 (fr) * | 1979-10-31 | 1981-05-08 | Rhone Poulenc Ind | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
| US4282192A (en) * | 1980-02-27 | 1981-08-04 | Olin Corporation | Process for producing a calcium sulfate product containing low amounts of radium |
| US4328193A (en) * | 1980-02-27 | 1982-05-04 | Olin Corporation | Process for removing radium from monocalcium phosphate solutions by centrifugation |
| US4309395A (en) * | 1980-04-21 | 1982-01-05 | Hauge Douglas O | Phosphoric acid production |
| JPS63144107A (ja) * | 1986-12-08 | 1988-06-16 | Mitsui Toatsu Chem Inc | 高濃度燐酸−半水石こうスラリ−の濾過方法 |
| DE3585627D1 (de) * | 1985-12-23 | 1992-04-16 | Prayon Rupel S A Soc Chimique | Verfahren zur behandlung von alpha-calciumsulfat-halbhydrat und nach dem vefahren erhaltenes produkt. |
| US20090294372A1 (en) * | 2008-05-30 | 2009-12-03 | Gill Jasbir S | Inhibition of water formed scale in acid conditions |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2897053A (en) * | 1954-02-26 | 1959-07-28 | Struthers Wells Corp | Wet process for phosphoric acid manufacture |
| US3017247A (en) * | 1957-02-11 | 1962-01-16 | Phillips Petroleum Co | Manufacture of phosphoric acid |
| FR1343574A (fr) * | 1962-08-30 | 1963-11-22 | Fisons Ltd | Procédé et appareillage pour la fabrication de l'acide phosphorique |
| US3326635A (en) * | 1963-03-25 | 1967-06-20 | Tennessee Valley Authority | Phosphoric acid manufacture |
-
1965
- 1965-02-12 GB GB6101/65A patent/GB1135951A/en not_active Expired - Lifetime
-
1966
- 1966-02-02 US US524490A patent/US3418077A/en not_active Expired - Lifetime
- 1966-02-02 DE DE1567516A patent/DE1567516C3/de not_active Expired - Lifetime
- 1966-02-04 FI FI0285/66A patent/FI44226B/fi active
- 1966-02-07 BE BE676166D patent/BE676166A/xx not_active IP Right Cessation
- 1966-02-07 NL NL6601527A patent/NL6601527A/xx unknown
- 1966-02-07 DK DK61366AA patent/DK117289B/da unknown
- 1966-02-08 ES ES0322743A patent/ES322743A1/es not_active Expired
- 1966-02-11 FR FR49266A patent/FR1468050A/fr not_active Expired
- 1966-02-14 SE SE187666A patent/SE316750C/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6601527A (fi) | 1966-08-15 |
| DE1567516C3 (de) | 1978-08-24 |
| DE1567516A1 (de) | 1970-04-16 |
| SE316750C (sv) | 1974-11-18 |
| GB1135951A (en) | 1968-12-11 |
| DK117289B (da) | 1970-04-13 |
| US3418077A (en) | 1968-12-24 |
| DE1567516B2 (de) | 1976-08-26 |
| ES322743A1 (es) | 1966-11-16 |
| BE676166A (fi) | 1966-08-08 |
| FR1468050A (fr) | 1967-02-03 |
| SE316750B (sv) | 1969-11-03 |