FR1253254A - Procédé de fabrication d'urée à faible teneur en biuret - Google Patents
Procédé de fabrication d'urée à faible teneur en biuretInfo
- Publication number
- FR1253254A FR1253254A FR812587A FR812587A FR1253254A FR 1253254 A FR1253254 A FR 1253254A FR 812587 A FR812587 A FR 812587A FR 812587 A FR812587 A FR 812587A FR 1253254 A FR1253254 A FR 1253254A
- Authority
- FR
- France
- Prior art keywords
- production process
- low biuret
- biuret urea
- urea
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 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
- 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
- C07C273/04—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 from carbon dioxide and ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR812587A FR1253254A (fr) | 1959-12-09 | 1959-12-09 | Procédé de fabrication d'urée à faible teneur en biuret |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR812587A FR1253254A (fr) | 1959-12-09 | 1959-12-09 | Procédé de fabrication d'urée à faible teneur en biuret |
| GB4310659A GB885692A (en) | 1959-12-18 | 1959-12-18 | Improvements in or relating to the production of urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1253254A true FR1253254A (fr) | 1961-02-10 |
Family
ID=26184728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR812587A Expired FR1253254A (fr) | 1959-12-09 | 1959-12-09 | Procédé de fabrication d'urée à faible teneur en biuret |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1253254A (fr) |
-
1959
- 1959-12-09 FR FR812587A patent/FR1253254A/fr not_active Expired
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