BG21603A3 - METHOD FOR REDUCING THE AMOUNT OF BIORETH IN UREA - Google Patents
METHOD FOR REDUCING THE AMOUNT OF BIORETH IN UREAInfo
- Publication number
- BG21603A3 BG21603A3 BG026705A BG2670574A BG21603A3 BG 21603 A3 BG21603 A3 BG 21603A3 BG 026705 A BG026705 A BG 026705A BG 2670574 A BG2670574 A BG 2670574A BG 21603 A3 BG21603 A3 BG 21603A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- bioreth
- urea
- reducing
- amount
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2327273A GB1404098A (en) | 1973-05-16 | 1973-05-16 | Process for reducing the biuret content in urea |
| IT2416173A IT987491B (en) | 1973-05-16 | 1973-05-16 | PROCEDURE TO REDUCE THE CONTENT OF BIURET IN THE UREA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG21603A3 true BG21603A3 (en) | 1976-07-20 |
Family
ID=26256424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG026705A BG21603A3 (en) | 1973-05-16 | 1974-05-16 | METHOD FOR REDUCING THE AMOUNT OF BIORETH IN UREA |
Country Status (18)
| Country | Link |
|---|---|
| AR (1) | AR213610A1 (en) |
| AT (1) | AT344723B (en) |
| BE (1) | BE815096A (en) |
| BG (1) | BG21603A3 (en) |
| BR (1) | BR7403961D0 (en) |
| CA (1) | CA1019344A (en) |
| CH (1) | CH617672A5 (en) |
| CS (1) | CS203001B2 (en) |
| DD (1) | DD113897A5 (en) |
| EG (1) | EG11437A (en) |
| FR (1) | FR2229690B1 (en) |
| GB (1) | GB1404098A (en) |
| IN (1) | IN142126B (en) |
| LU (1) | LU70102A1 (en) |
| NL (1) | NL7406618A (en) |
| SE (1) | SE420196B (en) |
| SU (1) | SU953978A3 (en) |
| ZA (1) | ZA743136B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345099A (en) * | 1981-08-10 | 1982-08-17 | Union Oil Company Of California | Method of selectively removing biuret from urea and compositions for use therein |
| DE102004005907B4 (en) | 2004-02-05 | 2006-01-05 | Uhde Gmbh | Plant for the production of biuretarmem urea-containing fertilizer granules |
| RO131559A2 (en) * | 2011-11-23 | 2016-12-30 | Farid Alekovich Batullin | Method for preparing crystalline carbamide of high purity |
| DE102019118702A1 (en) | 2019-07-10 | 2021-01-14 | Thyssenkrupp Ag | REDUCING BIURET GENERATION IN UREA PRODUCTION |
| CN115738359B (en) * | 2022-10-20 | 2025-09-16 | 江苏可兰素环保科技有限公司 | Extraction and purification process of urea particles |
-
1973
- 1973-05-16 GB GB2327273A patent/GB1404098A/en not_active Expired
-
1974
- 1974-05-13 AR AR253709A patent/AR213610A1/en active
- 1974-05-15 BR BR3961/74A patent/BR7403961D0/en unknown
- 1974-05-15 EG EG175/74A patent/EG11437A/en active
- 1974-05-16 SE SE7406519A patent/SE420196B/en not_active IP Right Cessation
- 1974-05-16 SU SU742026956A patent/SU953978A3/en active
- 1974-05-16 CA CA200,114A patent/CA1019344A/en not_active Expired
- 1974-05-16 BE BE144365A patent/BE815096A/en not_active IP Right Cessation
- 1974-05-16 NL NL7406618A patent/NL7406618A/xx active Search and Examination
- 1974-05-16 BG BG026705A patent/BG21603A3/en unknown
- 1974-05-16 AT AT406174A patent/AT344723B/en not_active IP Right Cessation
- 1974-05-16 LU LU70102A patent/LU70102A1/xx unknown
- 1974-05-16 DD DD178556A patent/DD113897A5/xx unknown
- 1974-05-16 CS CS743519A patent/CS203001B2/en unknown
- 1974-05-16 ZA ZA00743136A patent/ZA743136B/en unknown
- 1974-05-16 IN IN1069/CAL/1974A patent/IN142126B/en unknown
- 1974-05-16 CH CH674574A patent/CH617672A5/en not_active IP Right Cessation
- 1974-05-16 FR FR7417058A patent/FR2229690B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA743136B (en) | 1975-08-27 |
| BE815096A (en) | 1974-11-18 |
| ATA406174A (en) | 1977-12-15 |
| LU70102A1 (en) | 1976-04-13 |
| SE420196B (en) | 1981-09-21 |
| DD113897A5 (en) | 1975-07-05 |
| FR2229690B1 (en) | 1976-12-24 |
| CH617672A5 (en) | 1980-06-13 |
| AT344723B (en) | 1978-08-10 |
| GB1404098A (en) | 1975-08-28 |
| SU953978A3 (en) | 1982-08-23 |
| CS203001B2 (en) | 1981-02-27 |
| FR2229690A1 (en) | 1974-12-13 |
| IN142126B (en) | 1977-06-04 |
| EG11437A (en) | 1977-08-15 |
| CA1019344A (en) | 1977-10-18 |
| AU6904674A (en) | 1975-11-20 |
| DE2423890A1 (en) | 1974-12-12 |
| AR213610A1 (en) | 1979-02-28 |
| NL7406618A (en) | 1974-11-19 |
| DE2423890B2 (en) | 1976-04-15 |
| BR7403961D0 (en) | 1974-12-24 |
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