JPH0417886B2 - - Google Patents
Info
- Publication number
- JPH0417886B2 JPH0417886B2 JP13877684A JP13877684A JPH0417886B2 JP H0417886 B2 JPH0417886 B2 JP H0417886B2 JP 13877684 A JP13877684 A JP 13877684A JP 13877684 A JP13877684 A JP 13877684A JP H0417886 B2 JPH0417886 B2 JP H0417886B2
- Authority
- JP
- Japan
- Prior art keywords
- phosphoric acid
- concentrating
- aqueous solution
- heater
- concentration
- 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
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 58
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 23
- 239000007864 aqueous solution Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 238000007738 vacuum evaporation Methods 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 235000011007 phosphoric acid Nutrition 0.000 description 26
- 239000012141 concentrate Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13877684A JPS6117408A (ja) | 1984-07-04 | 1984-07-04 | リン酸水溶液の濃縮法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13877684A JPS6117408A (ja) | 1984-07-04 | 1984-07-04 | リン酸水溶液の濃縮法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6117408A JPS6117408A (ja) | 1986-01-25 |
| JPH0417886B2 true JPH0417886B2 (enrdf_load_stackoverflow) | 1992-03-26 |
Family
ID=15229925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13877684A Granted JPS6117408A (ja) | 1984-07-04 | 1984-07-04 | リン酸水溶液の濃縮法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117408A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201213266D0 (en) * | 2012-07-26 | 2012-09-05 | Univ Gent | Membranes, azeotropic & catalytic components |
-
1984
- 1984-07-04 JP JP13877684A patent/JPS6117408A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6117408A (ja) | 1986-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |