BE378882A - - Google Patents
Info
- Publication number
- BE378882A BE378882A BE378882DA BE378882A BE 378882 A BE378882 A BE 378882A BE 378882D A BE378882D A BE 378882DA BE 378882 A BE378882 A BE 378882A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- calcium sulphate
- solutions
- concentration
- calcium
- Prior art date
Links
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 73
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 47
- 235000011132 calcium sulphate Nutrition 0.000 claims description 36
- 239000000243 solution Substances 0.000 claims description 28
- 239000001175 calcium sulphate Substances 0.000 claims description 25
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 150000008064 anhydrides Chemical class 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 150000007513 acids Chemical class 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 239000011575 calcium Substances 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 3
- 150000004683 dihydrates Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052925 anhydrite Inorganic materials 0.000 claims description 2
- 230000036571 hydration Effects 0.000 claims description 2
- 238000006703 hydration reaction Methods 0.000 claims description 2
- 241001077660 Molo Species 0.000 claims 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 229910052938 sodium sulfate Inorganic materials 0.000 claims 1
- 235000011152 sodium sulphate Nutrition 0.000 claims 1
- 239000000706 filtrate Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE378882A true BE378882A (enExample) |
Family
ID=48892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE378882D BE378882A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE378882A (enExample) |
-
0
- BE BE378882D patent/BE378882A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2570367A1 (fr) | Procede pour la production d'hemihydrate de gypse sous forme a | |
| CH631682A5 (fr) | Procede de fabrication d'un silico-aluminate de sodium cristallin de la variete 4a. | |
| BE378882A (enExample) | ||
| CA1103423A (fr) | Procede de fabrication d'acide phosphorique | |
| CN109422402B (zh) | 催化剂生产废水的处理方法 | |
| CN115304474A (zh) | 一种苹果酸浓缩淡酸的处理方法 | |
| CN109422313B (zh) | 催化剂生产废水的处理方法 | |
| SU1142443A1 (ru) | Способ получени диоксида селена | |
| CN117776441A (zh) | 一种高含盐废水资源化处理方法 | |
| BE541136A (enExample) | ||
| BE407356A (enExample) | ||
| SU1165632A1 (ru) | Способ извлечени аммиака и пиридиновых оснований из коксового газа | |
| CN108726766B (zh) | 一种催化剂生产废水的处理方法 | |
| CN120247075A (zh) | 生活垃圾焚烧飞灰浸出液中可溶性氯盐的分离方法 | |
| CH196339A (fr) | Procédé de fabrication de sulfate basique d'aluminium très pur. | |
| BE544118A (enExample) | ||
| BE378893A (enExample) | ||
| CN110563006A (zh) | 一种对位酯生产中亚硫酸氢钠处理方法 | |
| BE807063A (fr) | Procede de traitement des melasses de sucrerie | |
| BE426262A (enExample) | ||
| BE360067A (enExample) | ||
| BE465367A (enExample) | ||
| BE540132A (enExample) | ||
| FR2465971A1 (fr) | Procede perfectionne de maintien en temperature de reacteurs | |
| BE332035A (enExample) |