NO115995B - - Google Patents
Info
- Publication number
- NO115995B NO115995B NO16153766A NO16153766A NO115995B NO 115995 B NO115995 B NO 115995B NO 16153766 A NO16153766 A NO 16153766A NO 16153766 A NO16153766 A NO 16153766A NO 115995 B NO115995 B NO 115995B
- Authority
- NO
- Norway
- Prior art keywords
- porridge
- sulfuric acid
- vessel
- gypsum
- phosphate
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 104
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 80
- 235000021395 porridge Nutrition 0.000 claims description 59
- 239000010440 gypsum Substances 0.000 claims description 53
- 229910052602 gypsum Inorganic materials 0.000 claims description 53
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 40
- 229910019142 PO4 Inorganic materials 0.000 claims description 37
- 239000010452 phosphate Substances 0.000 claims description 37
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 37
- 239000013078 crystal Substances 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 32
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 30
- 239000006185 dispersion Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 22
- 239000002002 slurry Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 235000011132 calcium sulphate Nutrition 0.000 claims description 11
- 239000002244 precipitate Substances 0.000 claims description 11
- 239000001175 calcium sulphate Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims 2
- 235000011007 phosphoric acid Nutrition 0.000 description 39
- 229960004838 phosphoric acid Drugs 0.000 description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000001914 filtration Methods 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 229910052925 anhydrite Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000011575 calcium Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000011505 plaster Substances 0.000 description 4
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000011507 gypsum plaster Substances 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 229910000372 mercury(II) sulfate Inorganic materials 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR4160A FR1462190A (fr) | 1965-02-02 | 1965-02-02 | Procédé de production d'acide phosphorique par voie humide |
| FR30372A FR88921E (fr) | 1965-02-02 | 1965-09-03 | Procédé de production d'acide phosphorique par voie humide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO115995B true NO115995B (fi) | 1969-01-13 |
Family
ID=26235595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO16153766A NO115995B (fi) | 1965-02-02 | 1966-02-02 |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE675507A (fi) |
| DE (1) | DE1567802C3 (fi) |
| DK (1) | DK119454B (fi) |
| FI (1) | FI46616C (fi) |
| FR (1) | FR88921E (fi) |
| GB (1) | GB1123924A (fi) |
| IL (1) | IL25003A (fi) |
| LU (1) | LU50331A1 (fi) |
| NL (1) | NL149763B (fi) |
| NO (1) | NO115995B (fi) |
| SE (1) | SE324145B (fi) |
-
1965
- 1965-09-03 FR FR30372A patent/FR88921E/fr not_active Expired
-
1966
- 1966-01-18 IL IL2500366A patent/IL25003A/xx unknown
- 1966-01-21 DE DE1966S0101566 patent/DE1567802C3/de not_active Expired
- 1966-01-24 BE BE675507D patent/BE675507A/xx not_active IP Right Cessation
- 1966-01-24 GB GB319066A patent/GB1123924A/en not_active Expired
- 1966-01-26 LU LU50331A patent/LU50331A1/xx unknown
- 1966-01-26 NL NL6600968A patent/NL149763B/xx not_active IP Right Cessation
- 1966-02-01 FI FI25066A patent/FI46616C/fi active
- 1966-02-01 DK DK50966A patent/DK119454B/da unknown
- 1966-02-01 SE SE125866A patent/SE324145B/xx unknown
- 1966-02-02 NO NO16153766A patent/NO115995B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1567802A1 (de) | 1970-08-27 |
| DE1567802B2 (de) | 1977-08-18 |
| SE324145B (fi) | 1970-05-25 |
| NL6600968A (fi) | 1966-08-03 |
| FI46616B (fi) | 1973-01-31 |
| DE1567802C3 (de) | 1978-04-13 |
| BE675507A (fi) | 1966-07-25 |
| DK119454B (da) | 1971-01-11 |
| FI46616C (fi) | 1973-05-08 |
| NL149763B (nl) | 1976-06-15 |
| LU50331A1 (fi) | 1967-07-26 |
| GB1123924A (en) | 1968-08-14 |
| IL25003A (en) | 1969-11-12 |
| FR88921E (fr) | 1967-04-14 |
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