IT999487B - Procedimento per la preparazione di acido fosforico purificato - Google Patents
Procedimento per la preparazione di acido fosforico purificatoInfo
- Publication number
- IT999487B IT999487B IT31656/73A IT3165673A IT999487B IT 999487 B IT999487 B IT 999487B IT 31656/73 A IT31656/73 A IT 31656/73A IT 3165673 A IT3165673 A IT 3165673A IT 999487 B IT999487 B IT 999487B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- preparation
- phosphoric acid
- purified phosphoric
- purified
- Prior art date
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
- 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
- C01B25/232—Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clinker process
-
- 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
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Medicines Containing Plant Substances (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47118342A JPS5228117B2 (it) | 1972-11-25 | 1972-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT999487B true IT999487B (it) | 1976-02-20 |
Family
ID=14734293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT31656/73A IT999487B (it) | 1972-11-25 | 1973-11-22 | Procedimento per la preparazione di acido fosforico purificato |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5228117B2 (it) |
| BE (1) | BE807728A (it) |
| CA (1) | CA1015529A (it) |
| DE (1) | DE2358780C3 (it) |
| ES (1) | ES420814A1 (it) |
| FR (1) | FR2207861B1 (it) |
| GB (1) | GB1452136A (it) |
| IN (1) | IN140714B (it) |
| IT (1) | IT999487B (it) |
| NL (1) | NL7316156A (it) |
| NO (1) | NO137543C (it) |
| SE (1) | SE390529B (it) |
| SU (1) | SU613710A3 (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS578873Y2 (it) * | 1976-07-28 | 1982-02-19 | ||
| FR3138474A1 (fr) | 2022-07-29 | 2024-02-02 | Psa Automobiles Sa | Systeme et procede de detection de colmatage d’un clapet antiretour de forte charge d’un moteur thermique, vehicule comprenant un tel systeme |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE328266B (it) * | 1967-05-17 | 1970-09-14 | Mizusawa Industrial Chem |
-
1972
- 1972-11-25 JP JP47118342A patent/JPS5228117B2/ja not_active Expired
-
1973
- 1973-11-22 IT IT31656/73A patent/IT999487B/it active
- 1973-11-23 BE BE138100A patent/BE807728A/xx unknown
- 1973-11-23 SE SE7315886A patent/SE390529B/xx unknown
- 1973-11-23 SU SU731981004A patent/SU613710A3/ru active
- 1973-11-23 NO NO4481/73A patent/NO137543C/no unknown
- 1973-11-23 GB GB5459273A patent/GB1452136A/en not_active Expired
- 1973-11-23 CA CA186,615A patent/CA1015529A/en not_active Expired
- 1973-11-24 IN IN2592/CAL/1973A patent/IN140714B/en unknown
- 1973-11-24 ES ES420814A patent/ES420814A1/es not_active Expired
- 1973-11-26 DE DE2358780A patent/DE2358780C3/de not_active Expired
- 1973-11-26 NL NL7316156A patent/NL7316156A/xx not_active Application Discontinuation
- 1973-11-26 FR FR7342034A patent/FR2207861B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1452136A (en) | 1976-10-13 |
| IN140714B (it) | 1976-12-11 |
| FR2207861A1 (it) | 1974-06-21 |
| BE807728A (fr) | 1974-03-15 |
| NO137543B (no) | 1977-12-05 |
| JPS5228117B2 (it) | 1977-07-25 |
| NL7316156A (it) | 1974-05-28 |
| NO137543C (no) | 1978-03-15 |
| AU6285173A (en) | 1975-05-29 |
| DE2358780A1 (de) | 1974-06-06 |
| DE2358780C3 (de) | 1980-03-13 |
| SE390529B (sv) | 1976-12-27 |
| JPS4976795A (it) | 1974-07-24 |
| CA1015529A (en) | 1977-08-16 |
| DE2358780B2 (de) | 1979-07-12 |
| SU613710A3 (ru) | 1978-06-30 |
| FR2207861B1 (it) | 1977-08-12 |
| ES420814A1 (es) | 1976-04-01 |
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