ES2026853T3 - Procedimiento para la preparacion de acido fosforico crudo. - Google Patents
Procedimiento para la preparacion de acido fosforico crudo.Info
- Publication number
- ES2026853T3 ES2026853T3 ES198787101255T ES87101255T ES2026853T3 ES 2026853 T3 ES2026853 T3 ES 2026853T3 ES 198787101255 T ES198787101255 T ES 198787101255T ES 87101255 T ES87101255 T ES 87101255T ES 2026853 T3 ES2026853 T3 ES 2026853T3
- Authority
- ES
- Spain
- Prior art keywords
- phosphoric acid
- procedure
- preparation
- washing
- fogs
- 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 - Lifetime
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 2
- 229910052585 phosphate mineral Inorganic materials 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
- 239000003643 water by type Substances 0.000 abstract 1
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
- C01B25/2208—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with an acid or a mixture of acids other than sulfuric acid
-
- 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
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Saccharide Compounds (AREA)
- Fuel Cell (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863604920 DE3604920A1 (de) | 1986-02-17 | 1986-02-17 | Verfahren zur herstellung von rohphosphorsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2026853T3 true ES2026853T3 (es) | 1992-05-16 |
Family
ID=6294237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES198787101255T Expired - Lifetime ES2026853T3 (es) | 1986-02-17 | 1987-01-29 | Procedimiento para la preparacion de acido fosforico crudo. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4780294A (OSRAM) |
| EP (1) | EP0233523B1 (OSRAM) |
| JP (1) | JPS62191408A (OSRAM) |
| DE (2) | DE3604920A1 (OSRAM) |
| ES (1) | ES2026853T3 (OSRAM) |
| IL (1) | IL81585A (OSRAM) |
| IN (1) | IN169199B (OSRAM) |
| MA (1) | MA20867A1 (OSRAM) |
| NO (1) | NO170923B (OSRAM) |
| TN (1) | TNSN87020A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000040507A1 (fr) * | 1998-12-28 | 2000-07-13 | Toyo Boseki Kabushiki Kaisha | Procede de purification de l'acide phosphorique et acide polyphosphorique de grande purete |
| WO2023083958A1 (en) * | 2021-11-12 | 2023-05-19 | Takhim For Technology And Business Services | Process for the production of a purified phosphoric acid solution and/or dicalcium phosphate salts |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2003051A (en) * | 1933-07-05 | 1935-05-28 | Victor Chemical Works | Purification of strong phosphoric acid |
| US3511604A (en) * | 1967-04-07 | 1970-05-12 | Continental Oil Co | Corrosion inhibition during phosphate rock acidulation |
| SE418845B (sv) * | 1979-05-10 | 1981-06-29 | Boliden Ab | Forfarande for rening av vatprocessfosforsyra |
| JPS59184291A (ja) * | 1983-04-04 | 1984-10-19 | Mitsubishi Heavy Ind Ltd | 高温還元性ガスの精製方法 |
-
1986
- 1986-02-17 DE DE19863604920 patent/DE3604920A1/de not_active Withdrawn
-
1987
- 1987-01-21 IN IN40/MAS/87A patent/IN169199B/en unknown
- 1987-01-29 DE DE8787101255T patent/DE3773404D1/de not_active Expired - Fee Related
- 1987-01-29 EP EP87101255A patent/EP0233523B1/de not_active Expired - Lifetime
- 1987-01-29 ES ES198787101255T patent/ES2026853T3/es not_active Expired - Lifetime
- 1987-01-30 MA MA21101A patent/MA20867A1/fr unknown
- 1987-02-03 US US07/010,333 patent/US4780294A/en not_active Expired - Fee Related
- 1987-02-11 TN TNTNSN87020A patent/TNSN87020A1/fr unknown
- 1987-02-16 IL IL81585A patent/IL81585A/xx unknown
- 1987-02-16 NO NO870600A patent/NO170923B/no unknown
- 1987-02-17 JP JP62032571A patent/JPS62191408A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62191408A (ja) | 1987-08-21 |
| DE3773404D1 (de) | 1991-11-07 |
| TNSN87020A1 (fr) | 1990-01-01 |
| IL81585A0 (en) | 1987-09-16 |
| US4780294A (en) | 1988-10-25 |
| EP0233523A3 (en) | 1989-02-08 |
| NO170923B (no) | 1992-09-21 |
| EP0233523B1 (de) | 1991-10-02 |
| MA20867A1 (fr) | 1987-10-01 |
| IN169199B (OSRAM) | 1991-09-14 |
| NO870600D0 (no) | 1987-02-16 |
| IL81585A (en) | 1990-06-10 |
| NO870600L (no) | 1987-08-18 |
| EP0233523A2 (de) | 1987-08-26 |
| DE3604920A1 (de) | 1987-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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