GB953291A - Process for rendering urea non-caking - Google Patents
Process for rendering urea non-cakingInfo
- Publication number
- GB953291A GB953291A GB41600/62A GB4160062A GB953291A GB 953291 A GB953291 A GB 953291A GB 41600/62 A GB41600/62 A GB 41600/62A GB 4160062 A GB4160062 A GB 4160062A GB 953291 A GB953291 A GB 953291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crystals
- urea
- heating
- cooling
- caking
- 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 abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 238000009877 rendering Methods 0.000 title 1
- 239000013078 crystal Substances 0.000 abstract 9
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000001816 cooling Methods 0.000 abstract 2
- 238000013019 agitation Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15482961A | 1961-11-24 | 1961-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB953291A true GB953291A (en) | 1964-03-25 |
Family
ID=22552974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB41600/62A Expired GB953291A (en) | 1961-11-24 | 1962-11-02 | Process for rendering urea non-caking |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1235288B (enrdf_load_stackoverflow) |
| FR (1) | FR1339400A (enrdf_load_stackoverflow) |
| GB (1) | GB953291A (enrdf_load_stackoverflow) |
| NL (1) | NL285729A (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT194867B (de) * | 1955-04-01 | 1958-01-25 | Inventa Ag | Verfahren zur Herstellung eines rieselfähigen, tropenfesten Harnstoffes |
| DE1168416B (de) * | 1962-10-08 | 1964-04-23 | Stamicarbon | Verfahren zur Herstellung biuretarmer Harnstoffprills |
-
0
- NL NL285729D patent/NL285729A/xx unknown
-
1962
- 1962-11-02 GB GB41600/62A patent/GB953291A/en not_active Expired
- 1962-11-07 DE DEG36337A patent/DE1235288B/de active Pending
- 1962-11-23 FR FR916366A patent/FR1339400A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1339400A (enrdf_load_stackoverflow) | 1963-10-04 |
| DE1235288B (de) | 1967-03-02 |
| NL285729A (enrdf_load_stackoverflow) |
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