GB1250191A - - Google Patents
Info
- Publication number
- GB1250191A GB1250191A GB1250191DA GB1250191A GB 1250191 A GB1250191 A GB 1250191A GB 1250191D A GB1250191D A GB 1250191DA GB 1250191 A GB1250191 A GB 1250191A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gypsum
- caso
- filtration
- phosphoric acid
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Adhesives Or Adhesive Processes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3198268 | 1968-07-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1250191A true GB1250191A (da) | 1971-10-20 |
Family
ID=10331279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1250191D Expired GB1250191A (da) | 1968-07-04 | 1968-07-04 |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5417597B1 (da) |
AT (1) | AT301486B (da) |
BE (1) | BE735078A (da) |
BR (1) | BR6910443D0 (da) |
DE (1) | DE1933692B2 (da) |
ES (1) | ES369090A2 (da) |
FR (1) | FR2012292A6 (da) |
GB (1) | GB1250191A (da) |
NL (1) | NL6910092A (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309395A (en) * | 1980-04-21 | 1982-01-05 | Hauge Douglas O | Phosphoric acid production |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4029743A (en) * | 1975-12-24 | 1977-06-14 | Hauge Douglas O | Phosphoric acid manufacture |
US4424196A (en) * | 1982-06-29 | 1984-01-03 | United States Gypsum Company | Phosphohemihydrate process for purification of gypsum |
US4853201A (en) * | 1988-07-11 | 1989-08-01 | Occidental Chemical Corporation | Recovery of P2 O5 values from phosphoric acid hemihydrate crystals |
DE19817245A1 (de) * | 1998-04-18 | 1999-10-28 | Loh Kg Rittal Werk | Schaltschrank |
DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
-
1968
- 1968-07-04 GB GB1250191D patent/GB1250191A/en not_active Expired
-
1969
- 1969-06-24 BE BE735078D patent/BE735078A/xx not_active IP Right Cessation
- 1969-07-01 NL NL6910092A patent/NL6910092A/xx unknown
- 1969-07-01 AT AT627669A patent/AT301486B/de not_active IP Right Cessation
- 1969-07-03 ES ES369090A patent/ES369090A2/es not_active Expired
- 1969-07-03 DE DE19691933692 patent/DE1933692B2/de not_active Withdrawn
- 1969-07-03 FR FR6922500A patent/FR2012292A6/fr not_active Expired
- 1969-07-04 JP JP5253869A patent/JPS5417597B1/ja active Pending
- 1969-07-04 BR BR21044369A patent/BR6910443D0/pt unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309395A (en) * | 1980-04-21 | 1982-01-05 | Hauge Douglas O | Phosphoric acid production |
Also Published As
Publication number | Publication date |
---|---|
NL6910092A (da) | 1970-01-06 |
AT301486B (de) | 1972-09-11 |
JPS5417597B1 (da) | 1979-06-30 |
ES369090A2 (es) | 1976-11-16 |
DE1933692A1 (de) | 1970-01-15 |
BE735078A (da) | 1969-12-24 |
FR2012292A6 (da) | 1970-03-20 |
BR6910443D0 (pt) | 1973-05-31 |
DE1933692B2 (de) | 1977-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |