DK131423C - - Google Patents
Info
- Publication number
- DK131423C DK131423C DK172968A DK172968A DK131423C DK 131423 C DK131423 C DK 131423C DK 172968 A DK172968 A DK 172968A DK 172968 A DK172968 A DK 172968A DK 131423 C DK131423 C DK 131423C
- Authority
- DK
- Denmark
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63204167A | 1967-04-19 | 1967-04-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK131423B DK131423B (da) | 1975-07-14 |
DK131423C true DK131423C (de) | 1975-12-01 |
Family
ID=24533830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK172968AA DK131423B (da) | 1967-04-19 | 1968-04-18 | Fremgangsmåde til kontinuerlig filtrering af opslæmninger, der stammer fra syrning af phosphorit til fremstilling af phosphorsyre og gips ved semihydrat/dihydrat-metoden. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3511602A (de) |
BE (1) | BE713979A (de) |
CH (1) | CH521286A (de) |
DE (1) | DE1767258A1 (de) |
DK (1) | DK131423B (de) |
FR (1) | FR1569969A (de) |
GB (1) | GB1180548A (de) |
NL (1) | NL6805603A (de) |
SE (1) | SE347245B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IE34022B1 (en) * | 1968-09-20 | 1975-01-08 | Goulding Ltd W & H M | The production of fertilisers |
US4853201A (en) * | 1988-07-11 | 1989-08-01 | Occidental Chemical Corporation | Recovery of P2 O5 values from phosphoric acid hemihydrate crystals |
DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE19045E (en) * | 1934-01-16 | Method of treating phosphate rock | ||
US2799557A (en) * | 1952-10-11 | 1957-07-16 | Chemical Construction Corp | Production of feed grade dicalcium phosphate |
US2885264A (en) * | 1955-06-10 | 1959-05-05 | Chemical Construction Corp | Hemihydrate process for phosphoric acid manufacture |
-
1967
- 1967-04-19 US US632041A patent/US3511602A/en not_active Expired - Lifetime
-
1968
- 1968-04-18 SE SE05195/68A patent/SE347245B/xx unknown
- 1968-04-18 DE DE19681767258 patent/DE1767258A1/de active Pending
- 1968-04-18 DK DK172968AA patent/DK131423B/da unknown
- 1968-04-19 BE BE713979D patent/BE713979A/xx unknown
- 1968-04-19 GB GB08731/68A patent/GB1180548A/en not_active Expired
- 1968-04-19 FR FR1569969D patent/FR1569969A/fr not_active Expired
- 1968-04-19 NL NL6805603A patent/NL6805603A/xx unknown
- 1968-04-19 CH CH579868A patent/CH521286A/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE713979A (de) | 1968-09-16 |
US3511602A (en) | 1970-05-12 |
GB1180548A (en) | 1970-02-04 |
FR1569969A (de) | 1969-06-06 |
CH521286A (de) | 1972-04-15 |
DK131423B (da) | 1975-07-14 |
DE1767258A1 (de) | 1971-09-02 |
NL6805603A (de) | 1968-10-21 |
SE347245B (de) | 1972-07-31 |