IT7849488A0 - PURIFICATION AND FLUORATION PROCEDURE OF AN IMPURE PHOSPHORIC ACID TO OBTAIN A FOOD QUALITY PHOSPHORIC ACID - Google Patents
PURIFICATION AND FLUORATION PROCEDURE OF AN IMPURE PHOSPHORIC ACID TO OBTAIN A FOOD QUALITY PHOSPHORIC ACIDInfo
- Publication number
- IT7849488A0 IT7849488A0 IT7849488A IT4948878A IT7849488A0 IT 7849488 A0 IT7849488 A0 IT 7849488A0 IT 7849488 A IT7849488 A IT 7849488A IT 4948878 A IT4948878 A IT 4948878A IT 7849488 A0 IT7849488 A0 IT 7849488A0
- Authority
- IT
- Italy
- Prior art keywords
- phosphoric acid
- fluoration
- purification
- procedure
- food quality
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 2
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 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
- C01B25/234—Purification; Stabilisation; Concentration
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7715623A FR2391954A2 (en) | 1977-05-23 | 1977-05-23 | WET PHOSPHORIC ACID PURIFICATION PROCESS |
FR7800771A FR2421845A2 (en) | 1978-01-12 | 1978-01-12 | PROCESS FOR PURIFYING A WET PHOSPHORIC ACID |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7849488A0 true IT7849488A0 (en) | 1978-05-22 |
IT1105409B IT1105409B (en) | 1985-11-04 |
Family
ID=26220035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49488/78A IT1105409B (en) | 1977-05-23 | 1978-05-22 | PURIFICATION AND FLUORATION PROCEDURE OF AN IMPURE PHOSPHORIC ACID TO OBTAIN A FOOD-QUALITY PHOSPHORIC ACID |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5413497A (en) |
BR (1) | BR7803244A (en) |
CA (1) | CA1109635A (en) |
DE (1) | DE2822303B2 (en) |
ES (1) | ES470068A1 (en) |
GB (1) | GB1601428A (en) |
IT (1) | IT1105409B (en) |
NL (1) | NL7805497A (en) |
PH (1) | PH13509A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3325121A1 (en) * | 1983-07-12 | 1985-01-24 | Hoechst Ag, 6230 Frankfurt | METHOD AND DEVICE FOR REMOVING FLUOR AND ORGANIC COMPOUNDS FROM PRE-PREPARED WET METAL PHOSPHORIC ACID |
JPS60121733A (en) * | 1984-07-31 | 1985-06-29 | Shinkawa Ltd | Inner lead bonder |
CN111874884B (en) * | 2020-07-23 | 2023-08-04 | 湖北祥云(集团)化工股份有限公司 | Defluorination method and system for wet-process phosphoric acid |
CN116374971A (en) * | 2023-03-07 | 2023-07-04 | 湖北鄂中生态农业科技有限公司 | Method for purifying phosphoric acid |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037158A (en) * | 1973-08-10 | 1975-04-07 |
-
1978
- 1978-05-19 CA CA303,785A patent/CA1109635A/en not_active Expired
- 1978-05-22 GB GB21075/78A patent/GB1601428A/en not_active Expired
- 1978-05-22 BR BR7803244A patent/BR7803244A/en unknown
- 1978-05-22 DE DE2822303A patent/DE2822303B2/en not_active Ceased
- 1978-05-22 ES ES470068A patent/ES470068A1/en not_active Expired
- 1978-05-22 IT IT49488/78A patent/IT1105409B/en active
- 1978-05-22 NL NL7805497A patent/NL7805497A/en not_active Application Discontinuation
- 1978-05-22 JP JP6088878A patent/JPS5413497A/en active Pending
- 1978-05-23 PH PH21180A patent/PH13509A/en unknown
Also Published As
Publication number | Publication date |
---|---|
PH13509A (en) | 1980-06-03 |
DE2822303A1 (en) | 1978-11-30 |
JPS5413497A (en) | 1979-01-31 |
CA1109635A (en) | 1981-09-29 |
GB1601428A (en) | 1981-10-28 |
DE2822303B2 (en) | 1980-07-03 |
BR7803244A (en) | 1978-12-19 |
IT1105409B (en) | 1985-11-04 |
ES470068A1 (en) | 1979-09-16 |
NL7805497A (en) | 1978-11-27 |
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