BE624061A - - Google Patents
Info
- Publication number
- BE624061A BE624061A BE624061DA BE624061A BE 624061 A BE624061 A BE 624061A BE 624061D A BE624061D A BE 624061DA BE 624061 A BE624061 A BE 624061A
- Authority
- BE
- Belgium
- Prior art keywords
- biuret
- urea
- water
- mother liquor
- solution
- Prior art date
Links
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 claims description 36
- 239000004202 carbamide Substances 0.000 claims description 35
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000012452 mother liquor Substances 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 11
- 238000002425 crystallisation Methods 0.000 claims description 9
- 230000008025 crystallization Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 4
- 239000012895 dilution Substances 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 150000003672 ureas Chemical class 0.000 description 3
- 238000007865 diluting Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE624061A true BE624061A (d) |
Family
ID=195927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE624061D BE624061A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE624061A (d) |
-
0
- BE BE624061D patent/BE624061A/fr unknown
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