BE563176A - - Google Patents
Info
- Publication number
- BE563176A BE563176A BE563176DA BE563176A BE 563176 A BE563176 A BE 563176A BE 563176D A BE563176D A BE 563176DA BE 563176 A BE563176 A BE 563176A
- Authority
- BE
- Belgium
- Prior art keywords
- urea
- sep
- liquid
- inert
- solution
- Prior art date
Links
- 239000004202 carbamide Substances 0.000 claims description 50
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 49
- 239000007788 liquid Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 12
- 238000001704 evaporation Methods 0.000 claims description 11
- 230000008020 evaporation Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000002480 mineral oil Substances 0.000 claims description 4
- 235000010446 mineral oil Nutrition 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 150000003672 ureas Chemical class 0.000 claims 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 7
- 239000000725 suspension Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE563176A true BE563176A (enrdf_load_stackoverflow) |
Family
ID=184514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE563176D BE563176A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE563176A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1255099B (de) * | 1959-06-02 | 1967-11-30 | Allied Chem | Verfahren zum Entwaessern einer Harnstoffschmelze |
-
0
- BE BE563176D patent/BE563176A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1255099B (de) * | 1959-06-02 | 1967-11-30 | Allied Chem | Verfahren zum Entwaessern einer Harnstoffschmelze |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2523567A1 (fr) | Procede de fabrication de sulfate de potassium | |
| BE563176A (enrdf_load_stackoverflow) | ||
| WO2018167414A1 (fr) | Procédé de synthèse en continu de cristaux de zéolithe | |
| SU414783A3 (ru) | Способ разделения смесей кислот жирного ряда | |
| FR2557876A1 (fr) | Synthese a haute pression de melamine anhydre | |
| JPH04306296A (ja) | 液体脂肪酸及び固体脂肪酸の製造方法 | |
| WO1999042545A1 (fr) | Procede de production de micro-cristaux de graisses vegetales et animales | |
| SU568359A3 (ru) | Способ разделени смесей жировых веществ на компоненты с различными точками плавлени | |
| FR2458509A1 (fr) | Procede de production de chlorure d'hydrogene et d'ammoniac | |
| US3956351A (en) | Process for separating fatty mixtures | |
| US3549676A (en) | Separation of mixtures of liquid and solid fatty acid compounds | |
| CH422784A (fr) | Procédé de préparation d'alcools par oxydation d'hydrocarbures | |
| BE378389A (enrdf_load_stackoverflow) | ||
| CN118389190A (zh) | 一种脂肪酸型柴油抗磨剂的生产系统及生产方法 | |
| US20060112872A1 (en) | Method for crystallising a melamine melt | |
| CN116837380A (zh) | 一种铝铜复合管的制备方法 | |
| JPS6337157B2 (enrdf_load_stackoverflow) | ||
| BE480152A (enrdf_load_stackoverflow) | ||
| JPH0948994A (ja) | 脂肪酸の製造方法 | |
| FR2467835A1 (fr) | Procede de separation et d'epuration de l'anthracene de l'huile d'anthracene | |
| BE513763A (enrdf_load_stackoverflow) | ||
| BE438918A (enrdf_load_stackoverflow) | ||
| BE561391A (enrdf_load_stackoverflow) | ||
| FR2477426A1 (fr) | Procede de cristallisation d'une solution par extraction de calories, utilisation dudit procede pour la purification de solutions aqueuses de soude et dispositif de mise en oeuvre correspondant | |
| BE652141A (enrdf_load_stackoverflow) |