BE511658A - - Google Patents
Info
- Publication number
- BE511658A BE511658A BE511658DA BE511658A BE 511658 A BE511658 A BE 511658A BE 511658D A BE511658D A BE 511658DA BE 511658 A BE511658 A BE 511658A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- washing
- cooling
- sludge
- circuit
- Prior art date
Links
- 239000002253 acid Substances 0.000 claims description 38
- 238000005406 washing Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 238000005352 clarification Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 150000008064 anhydrides Chemical class 0.000 claims description 5
- 229910052785 arsenic Inorganic materials 0.000 claims description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 3
- 239000000428 dust Substances 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 239000007791 liquid phase Substances 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 239000007790 solid phase Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000000725 suspension Substances 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
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/56—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511658A true BE511658A (enExample) |
Family
ID=150352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511658D BE511658A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE511658A (enExample) |
-
0
- BE BE511658D patent/BE511658A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Miyawaki et al. | Tubular ice system for scale-up of progressive freeze-concentration | |
| US2764488A (en) | Method and apparatus for freezing solvents out of solutions | |
| JP2002529047A (ja) | 融点の異なる金属及び／又は金属合金の分離方法及び装置 | |
| WO1998043716A2 (en) | Sulfuric acid purification process | |
| Liu et al. | Prevention of initial supercooling in progressive freeze-concentration | |
| EP1086043A1 (en) | Waste acid recovery | |
| JP3635847B2 (ja) | 純氷製氷装置 | |
| FR2488523A1 (fr) | Procede d'elimination par lavage, notamment en plusieurs etages, des composants acides, tels que le co2, le hcn et en particulier le h2s, qui entrent dans la formation des gaz, notamment des gaz de cokerie, a l'aide d'un lavage ammoniacal en circuit ferme | |
| US1380185A (en) | Process of nitrating benzol | |
| FR2490968A1 (fr) | Procede pour la cristallisation de corps difficilement solubles et appareil de cristallisation | |
| FR2623801A1 (fr) | Procede de purification de l'hexamethylenediamine | |
| JPH01306529A (ja) | 金属の連続精製法 | |
| BE711122A (enExample) | ||
| CN222139039U (zh) | 一种植物油冬化装置 | |
| JP4208975B2 (ja) | 溶液の濃縮及び氷結晶の洗浄方法とその装置 | |
| CN118268337A (zh) | 一种钾钠分盐用钾盐母液高效分离装置 | |
| BE425137A (enExample) | ||
| BE496913A (enExample) | ||
| FR2581995A1 (fr) | Procede et installation de cristallisation de gluconodeltalactone | |
| BE489831A (enExample) | ||
| BE673433A (enExample) | ||
| BE344855A (enExample) | ||
| CN118579745A (zh) | 协同萃取生产高纯磷酸二氢锰的方法 | |
| FR2504403A1 (fr) | Procede de cristallisation de solutions a faible concentration | |
| FR2736932A1 (fr) | Procede et dispositif de cristallisation en continu d'une composition contenant du sucre en dernier jet de cristallisation |