DK201470284A - Method for producing high purity crystalline carbamide - Google Patents
Method for producing high purity crystalline carbamideInfo
- Publication number
- DK201470284A DK201470284A DKPA201470284A DKPA201470284A DK201470284A DK 201470284 A DK201470284 A DK 201470284A DK PA201470284 A DKPA201470284 A DK PA201470284A DK PA201470284 A DKPA201470284 A DK PA201470284A DK 201470284 A DK201470284 A DK 201470284A
- Authority
- DK
- Denmark
- Prior art keywords
- carbamide
- purity crystalline
- producing high
- high purity
- crystalline carbamide
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 9
- 235000013877 carbamide Nutrition 0.000 title abstract 4
- 239000004202 carbamide Substances 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 238000004458 analytical method Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 abstract 1
- 230000008025 crystallization Effects 0.000 abstract 1
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000000909 electrodialysis Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
- C07C237/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton
- C07C237/16—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atoms of the carboxamide groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and unsaturated
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/422—Electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/58—Multistep processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/02—Crystallisation from solutions
- B01D9/04—Crystallisation from solutions concentrating solutions by removing frozen solvent therefrom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Urology & Nephrology (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Saccharide Compounds (AREA)
- Seasonings (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011147680 | 2011-11-23 | ||
| RU2011147680/04A RU2472777C1 (ru) | 2011-11-23 | 2011-11-23 | Способ получения кристаллического карбамида высокой очистки |
| RU2012001014 | 2012-12-03 | ||
| PCT/RU2012/001014 WO2013077775A2 (ru) | 2011-11-23 | 2012-12-03 | Способ получения кристаллического карбамида высокой очистки |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK201470284A true DK201470284A (en) | 2014-05-15 |
| DK178065B1 DK178065B1 (en) | 2015-04-20 |
Family
ID=48470397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK201470284A DK178065B1 (en) | 2011-11-23 | 2014-05-15 | Method for producing high purity crystalline carbamide |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US9192893B2 (da) |
| EP (1) | EP2784060B1 (da) |
| CN (1) | CN104080765B (da) |
| AT (1) | AT515241B1 (da) |
| AU (1) | AU2012341102B9 (da) |
| BG (1) | BG66591B1 (da) |
| BR (1) | BR112014011817B1 (da) |
| CA (1) | CA2856276C (da) |
| CZ (1) | CZ305573B6 (da) |
| DE (1) | DE112012004881T5 (da) |
| DK (1) | DK178065B1 (da) |
| ES (1) | ES2486640B1 (da) |
| FI (1) | FI126352B (da) |
| GB (1) | GB2538483A (da) |
| HU (1) | HUP1400301A2 (da) |
| MX (1) | MX2014006222A (da) |
| NO (1) | NO20140641A1 (da) |
| PL (1) | PL222478B1 (da) |
| PT (1) | PT2013077775B (da) |
| RO (1) | RO131559A2 (da) |
| RU (1) | RU2472777C1 (da) |
| SE (1) | SE537706C2 (da) |
| SG (1) | SG11201402507YA (da) |
| UA (1) | UA111241C2 (da) |
| WO (1) | WO2013077775A2 (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548403A (zh) * | 2018-05-31 | 2019-12-10 | 河南仁华生物科技有限公司 | 一种医药中间体的脱盐及浓缩方法 |
| CN110357284A (zh) * | 2019-06-27 | 2019-10-22 | 福建中源新能源股份有限公司 | 一种船用尿素溶液的制备方法及其应用 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3124612A (en) * | 1964-03-10 | Urea crystallization | ||
| GB690594A (en) * | 1950-04-06 | 1953-04-22 | Basf Ag | Improvements in the production of urea |
| US2892870A (en) * | 1955-11-21 | 1959-06-30 | Lonza Electric & Chem Works | Process for purifying and crystallizing urea |
| NL285601A (da) * | 1961-11-28 | |||
| GB1148572A (en) * | 1966-02-05 | 1969-04-16 | Power Gas Ltd | Process for the production of coarse crystals of urea |
| FR2036413A5 (da) * | 1969-03-13 | 1970-12-24 | Thomson Csf | |
| GB1404098A (en) * | 1973-05-16 | 1975-08-28 | Mexico Guanos | Process for reducing the biuret content in urea |
| US3903158A (en) * | 1973-05-16 | 1975-09-02 | Mexico Guanos | Process for reducing the biuret content in urea |
| IN169678B (da) * | 1987-08-13 | 1991-11-30 | Austral Pacific Fertilizers | |
| RU2041202C1 (ru) * | 1992-12-09 | 1995-08-09 | Научно-инженерный центр "Инфомир" | Способ получения кристаллического карбамида |
| US5645703A (en) * | 1995-12-20 | 1997-07-08 | University Of Chicago | Electrodialysis-based separation process for salt recovery and recycling from waste water |
| HU223808B1 (hu) * | 1999-03-26 | 2005-02-28 | Snow Brand Milk Products Co., Ltd. | Eljárás karbamid izolálására, karbamidkompozíciók és eljárás az előállításukra |
| EA013218B1 (ru) * | 2004-12-08 | 2010-04-30 | ДСМ АйПи АССЕТС Б.В. | Способ извлечения аммиака из потока газа, содержащего аммиак |
| EP1857439A1 (en) * | 2006-05-17 | 2007-11-21 | Kemira GrowHow Oyj | Method for purifying aqueous urea solution |
| JP2008280263A (ja) * | 2007-05-09 | 2008-11-20 | Mitsui Chemicals Inc | 高純度尿素水の製造方法 |
| ITMI20072206A1 (it) * | 2007-11-21 | 2009-05-22 | Snam Progetti | Metodo per il recupero di ammoniaca da una corrente gassosa in un processo di sintesi di urea |
| CN102584635B (zh) * | 2012-01-09 | 2013-10-02 | 四川泸天化股份有限公司 | 一种车用尿素的制备方法 |
-
2011
- 2011-11-23 RO ROA201400380A patent/RO131559A2/ro unknown
- 2011-11-23 RU RU2011147680/04A patent/RU2472777C1/ru not_active IP Right Cessation
-
2012
- 2012-03-12 UA UAA201405505A patent/UA111241C2/uk unknown
- 2012-12-03 SE SE1450590A patent/SE537706C2/sv not_active IP Right Cessation
- 2012-12-03 US US14/360,347 patent/US9192893B2/en not_active Expired - Fee Related
- 2012-12-03 AT ATA9437/2012A patent/AT515241B1/de not_active IP Right Cessation
- 2012-12-03 EP EP12850929.6A patent/EP2784060B1/en not_active Not-in-force
- 2012-12-03 CA CA2856276A patent/CA2856276C/en not_active Expired - Fee Related
- 2012-12-03 AU AU2012341102A patent/AU2012341102B9/en not_active Ceased
- 2012-12-03 CN CN201280055878.4A patent/CN104080765B/zh not_active Expired - Fee Related
- 2012-12-03 WO PCT/RU2012/001014 patent/WO2013077775A2/ru active Application Filing
- 2012-12-03 MX MX2014006222A patent/MX2014006222A/es unknown
- 2012-12-03 ES ES201490054A patent/ES2486640B1/es active Active
- 2012-12-03 SG SG11201402507YA patent/SG11201402507YA/en unknown
- 2012-12-03 CZ CZ2014-354A patent/CZ305573B6/cs not_active IP Right Cessation
- 2012-12-03 BG BG111761A patent/BG66591B1/bg unknown
- 2012-12-03 PL PL408264A patent/PL222478B1/pl unknown
- 2012-12-03 PT PT2012001014A patent/PT2013077775B/pt active IP Right Grant
- 2012-12-03 GB GB1408531.0A patent/GB2538483A/en not_active Withdrawn
- 2012-12-03 DE DE112012004881.4T patent/DE112012004881T5/de not_active Withdrawn
- 2012-12-03 HU HU1400301A patent/HUP1400301A2/hu unknown
- 2012-12-03 BR BR112014011817-5A patent/BR112014011817B1/pt not_active IP Right Cessation
-
2014
- 2014-05-05 FI FI20145406A patent/FI126352B/en not_active IP Right Cessation
- 2014-05-15 DK DK201470284A patent/DK178065B1/da not_active IP Right Cessation
- 2014-05-22 NO NO20140641A patent/NO20140641A1/no not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |
Effective date: 20181203 |