BE581747A - - Google Patents
Info
- Publication number
- BE581747A BE581747A BE581747DA BE581747A BE 581747 A BE581747 A BE 581747A BE 581747D A BE581747D A BE 581747DA BE 581747 A BE581747 A BE 581747A
- Authority
- BE
- Belgium
- Prior art keywords
- emi
- compartments
- phosphate
- compartment
- sulfuric acid
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 239000012066 reaction slurry Substances 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 30
- 229910019142 PO4 Inorganic materials 0.000 description 27
- 239000010452 phosphate Substances 0.000 description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 27
- 235000021317 phosphate Nutrition 0.000 description 27
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 239000002002 slurry Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002253 acid Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000010440 gypsum Substances 0.000 description 7
- 229910052602 gypsum Inorganic materials 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 230000007928 solubilization Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 239000001506 calcium phosphate Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 229910000150 monocalcium phosphate Inorganic materials 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 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)
- Physical Or Chemical Processes And Apparatus (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1212825T | 1958-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE581747A true BE581747A (it) |
Family
ID=9676255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE581747D BE581747A (it) | 1958-08-25 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE581747A (it) |
| FR (1) | FR1212825A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL271446A (it) * | 1960-11-18 | |||
| NL274891A (it) * | 1961-02-17 | |||
| FR2468548A1 (fr) * | 1979-10-31 | 1981-05-08 | Rhone Poulenc Ind | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
| FR2873119B1 (fr) * | 2004-07-13 | 2008-02-01 | Vichem Soc Par Actions Simplif | Procede perfectionne de fabrication d'acide phosphorique |
-
0
- BE BE581747D patent/BE581747A/fr unknown
-
1958
- 1958-08-25 FR FR1212825D patent/FR1212825A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1212825A (fr) | 1960-03-25 |
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