BE781083A - Procede de fabrication et de filtration d'acide phosphorique tres concentre et de sulfate de calcium - Google Patents
Procede de fabrication et de filtration d'acide phosphorique tres concentre et de sulfate de calciumInfo
- Publication number
- BE781083A BE781083A BE781083A BE781083A BE781083A BE 781083 A BE781083 A BE 781083A BE 781083 A BE781083 A BE 781083A BE 781083 A BE781083 A BE 781083A BE 781083 A BE781083 A BE 781083A
- Authority
- BE
- Belgium
- Prior art keywords
- filtration
- manufacturing
- phosphoric acid
- highly concentrated
- calcium sulphate
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 235000011132 calcium sulphate Nutrition 0.000 title 1
- 239000001175 calcium sulphate Substances 0.000 title 1
- 238000001914 filtration Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7110132A FR2130848A5 (it) | 1971-03-23 | 1971-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE781083A true BE781083A (fr) | 1972-09-22 |
Family
ID=9073983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE781083A BE781083A (fr) | 1971-03-23 | 1972-03-22 | Procede de fabrication et de filtration d'acide phosphorique tres concentre et de sulfate de calcium |
Country Status (12)
| Country | Link |
|---|---|
| BE (1) | BE781083A (it) |
| BR (1) | BR7201640D0 (it) |
| CA (1) | CA981417A (it) |
| ES (1) | ES401081A1 (it) |
| FR (1) | FR2130848A5 (it) |
| GB (1) | GB1381345A (it) |
| IE (1) | IE36182B1 (it) |
| IT (1) | IT953939B (it) |
| NL (1) | NL172640C (it) |
| NO (1) | NO133030C (it) |
| SE (1) | SE364495B (it) |
| YU (1) | YU73672A (it) |
-
1971
- 1971-03-23 FR FR7110132A patent/FR2130848A5/fr not_active Expired
-
1972
- 1972-03-03 IT IT6768772A patent/IT953939B/it active
- 1972-03-09 NL NL7203142A patent/NL172640C/xx not_active IP Right Cessation
- 1972-03-20 SE SE357472A patent/SE364495B/xx unknown
- 1972-03-21 BR BR164072A patent/BR7201640D0/pt unknown
- 1972-03-21 YU YU73672A patent/YU73672A/xx unknown
- 1972-03-22 GB GB1341972A patent/GB1381345A/en not_active Expired
- 1972-03-22 BE BE781083A patent/BE781083A/xx not_active IP Right Cessation
- 1972-03-22 CA CA137,825A patent/CA981417A/en not_active Expired
- 1972-03-22 NO NO95972A patent/NO133030C/no unknown
- 1972-03-22 ES ES401081A patent/ES401081A1/es not_active Expired
-
1973
- 1973-03-20 IE IE35073A patent/IE36182B1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT953939B (it) | 1973-08-10 |
| NL172640C (nl) | 1983-10-03 |
| NL172640B (nl) | 1983-05-02 |
| SE364495B (it) | 1974-02-25 |
| NL7203142A (it) | 1972-09-26 |
| ES401081A1 (es) | 1975-02-16 |
| DE2213710A1 (de) | 1972-09-28 |
| DE2213710B2 (de) | 1975-07-24 |
| YU73672A (en) | 1982-02-28 |
| IE36182B1 (en) | 1976-09-01 |
| BR7201640D0 (pt) | 1973-05-24 |
| CA981417A (en) | 1976-01-13 |
| NO133030B (it) | 1975-11-17 |
| GB1381345A (en) | 1975-01-22 |
| NO133030C (it) | 1976-02-25 |
| FR2130848A5 (it) | 1972-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: RHONE PROGIL Effective date: 19890331 |