RU2132843C1 - Способ получения мочевины, установка для его осуществления (варианты), способ модернизации установки (варианты) - Google Patents
Способ получения мочевины, установка для его осуществления (варианты), способ модернизации установки (варианты) Download PDFInfo
- Publication number
- RU2132843C1 RU2132843C1 RU97114754A RU97114754A RU2132843C1 RU 2132843 C1 RU2132843 C1 RU 2132843C1 RU 97114754 A RU97114754 A RU 97114754A RU 97114754 A RU97114754 A RU 97114754A RU 2132843 C1 RU2132843 C1 RU 2132843C1
- Authority
- RU
- Russia
- Prior art keywords
- carbamate
- aqueous solution
- urea
- stripper
- reactor
- Prior art date
Links
- 239000004202 carbamide Substances 0.000 title claims abstract description 163
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title abstract description 19
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims abstract description 141
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 129
- 239000007864 aqueous solution Substances 0.000 claims abstract description 112
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 55
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 44
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 44
- 239000011541 reaction mixture Substances 0.000 claims abstract description 33
- 238000009833 condensation Methods 0.000 claims abstract description 22
- 230000005494 condensation Effects 0.000 claims abstract description 22
- 238000004064 recycling Methods 0.000 claims abstract description 8
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 42
- 238000011084 recovery Methods 0.000 claims description 36
- 238000000926 separation method Methods 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 12
- 238000003786 synthesis reaction Methods 0.000 claims description 12
- 238000000605 extraction Methods 0.000 claims description 6
- 210000002700 urine Anatomy 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 26
- 239000000126 substance Substances 0.000 abstract description 10
- 238000002955 isolation Methods 0.000 abstract description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- ZEYWAHILTZGZBH-UHFFFAOYSA-N azane;carbon dioxide Chemical compound N.O=C=O ZEYWAHILTZGZBH-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 150000002484 inorganic compounds Chemical class 0.000 abstract 1
- 229910010272 inorganic material Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000010586 diagram Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 238000003795 desorption Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
Images
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
- C07C273/04—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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH26395 | 1995-02-01 | ||
| CH263/95-8 | 1995-02-01 | ||
| PCT/IB1996/000083 WO1996023767A1 (en) | 1995-02-01 | 1996-01-31 | Process and plant for the production of urea with high conversion yield and low energy consumption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU97114754A RU97114754A (ru) | 1999-06-20 |
| RU2132843C1 true RU2132843C1 (ru) | 1999-07-10 |
Family
ID=4183026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU97114754A RU2132843C1 (ru) | 1995-02-01 | 1996-01-31 | Способ получения мочевины, установка для его осуществления (варианты), способ модернизации установки (варианты) |
Country Status (22)
| Country | Link |
|---|---|
| US (2) | US6342632B1 (enExample) |
| EP (1) | EP0796244B2 (enExample) |
| JP (1) | JP3003706B2 (enExample) |
| CN (1) | CN1079790C (enExample) |
| AT (1) | ATE179413T1 (enExample) |
| AU (1) | AU686041B2 (enExample) |
| BG (1) | BG63118B1 (enExample) |
| BR (1) | BR9606852A (enExample) |
| CA (1) | CA2208022C (enExample) |
| CZ (1) | CZ284950B6 (enExample) |
| DE (1) | DE69602250T3 (enExample) |
| EG (1) | EG20972A (enExample) |
| ES (1) | ES2130784T5 (enExample) |
| HU (1) | HU224478B1 (enExample) |
| IL (1) | IL116977A0 (enExample) |
| NZ (1) | NZ298879A (enExample) |
| PL (1) | PL189579B1 (enExample) |
| RO (1) | RO119781B1 (enExample) |
| RU (1) | RU2132843C1 (enExample) |
| UA (1) | UA42814C2 (enExample) |
| WO (1) | WO1996023767A1 (enExample) |
| ZA (1) | ZA96686B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2247108C2 (ru) * | 2000-06-15 | 2005-02-27 | Уреа Касале С.А. | Способ разложения водного раствора карбамата, поступающего из секции выделения мочевины установки для получения мочевины |
| RU2254331C1 (ru) * | 2001-05-03 | 2005-06-20 | ДСМ Ай Пи ЭССЕТС Б.В. | Способ получения мочевины (варианты), способ повышения производительности процесса |
| RU2262382C2 (ru) * | 2000-10-09 | 2005-10-20 | Уреа Касале С.А. | Устройство для разложения карбамата и отгонки аммиака и диоксида углерода из растворов мочевины и способ увеличения срока службы такого устройства |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
| IT1275451B (it) * | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
| JP4112056B2 (ja) * | 1997-12-18 | 2008-07-02 | 東洋エンジニアリング株式会社 | 改良された尿素の合成方法および装置 |
| EP1036787B1 (en) * | 1999-03-16 | 2003-06-04 | Urea Casale S.A. | Method for modernizing a urea production plant |
| ATE500887T1 (de) * | 2003-09-19 | 2011-03-15 | Urea Casale Sa | Karbamatkondensationsverfahren |
| NL1028497C2 (nl) | 2005-03-09 | 2006-09-12 | Dsm Ip Assets Bv | Werkwijze voor de bereiding van een ureum-bevattende waterige stroom. |
| ES2560857T3 (es) * | 2005-04-19 | 2016-02-23 | Casale Sa | Proceso de producción de urea y planta relacionada |
| CN102020590A (zh) * | 2009-09-11 | 2011-04-20 | 江苏恒盛化肥有限公司 | 二氧化碳气提法尿素装置低压系统的改良装置 |
| WO2013088564A1 (ja) * | 2011-12-15 | 2013-06-20 | 三菱重工業株式会社 | 複数系統からなる尿素製造プラントの運転方法 |
| CN110003056A (zh) | 2012-05-03 | 2019-07-12 | 斯塔米卡邦有限公司 | 尿素制备设备 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0212744A1 (en) * | 1985-08-12 | 1987-03-04 | Stamicarbon B.V. | Process for the preparation of urea |
| EP0266840A1 (en) * | 1986-11-03 | 1988-05-11 | Stamicarbon B.V. | Process for preparing urea |
| SU1428191A3 (ru) * | 1981-10-16 | 1988-09-30 | Аммония Казале С.А. (Фирма) | Способ получени мочевины |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848493A (en) * | 1955-06-27 | 1958-08-19 | Allied Chem | Process for synthesis of urea |
| US3232982A (en) * | 1960-01-08 | 1966-02-01 | Pullman Inc | Urea synthesis |
| US3541146A (en) | 1966-11-29 | 1970-11-17 | Inventa Ag | Process for the separation and recirculation of unreacted starting gases in the urea synthesis |
| GB1196657A (en) | 1967-09-28 | 1970-07-01 | Guido Giommi | Process for the Manufacture of Urea from Ammonia and Carbon Dioxide |
| US3636106A (en) † | 1968-09-12 | 1972-01-18 | Chemical Construction Corp | Process for urea synthesis |
| CH562786A5 (enExample) | 1972-03-22 | 1975-06-13 | Inventa Ag | |
| JPS5517346A (en) * | 1978-07-24 | 1980-02-06 | Toyo Eng Corp | Synthetic method of urea |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5867661A (ja) | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| IT1274362B (it) | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
| NL1003923C2 (nl) * | 1996-08-30 | 1998-03-04 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| NL1007713C2 (nl) | 1997-12-05 | 1999-06-08 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
-
1996
- 1996-01-30 ZA ZA96686A patent/ZA96686B/xx unknown
- 1996-01-31 RO RO97-01263A patent/RO119781B1/ro unknown
- 1996-01-31 US US08/860,960 patent/US6342632B1/en not_active Expired - Lifetime
- 1996-01-31 WO PCT/IB1996/000083 patent/WO1996023767A1/en not_active Ceased
- 1996-01-31 EP EP96900678A patent/EP0796244B2/en not_active Expired - Lifetime
- 1996-01-31 NZ NZ298879A patent/NZ298879A/en unknown
- 1996-01-31 AU AU44575/96A patent/AU686041B2/en not_active Ceased
- 1996-01-31 AT AT96900678T patent/ATE179413T1/de active
- 1996-01-31 JP JP8523386A patent/JP3003706B2/ja not_active Expired - Lifetime
- 1996-01-31 CA CA002208022A patent/CA2208022C/en not_active Expired - Lifetime
- 1996-01-31 CN CN96191549A patent/CN1079790C/zh not_active Expired - Lifetime
- 1996-01-31 PL PL96321241A patent/PL189579B1/pl not_active IP Right Cessation
- 1996-01-31 HU HU9800232A patent/HU224478B1/hu active IP Right Grant
- 1996-01-31 RU RU97114754A patent/RU2132843C1/ru active
- 1996-01-31 UA UA97073537A patent/UA42814C2/uk unknown
- 1996-01-31 IL IL11697796A patent/IL116977A0/xx unknown
- 1996-01-31 DE DE69602250T patent/DE69602250T3/de not_active Expired - Lifetime
- 1996-01-31 BR BR9606852A patent/BR9606852A/pt not_active IP Right Cessation
- 1996-01-31 ES ES96900678T patent/ES2130784T5/es not_active Expired - Lifetime
- 1996-01-31 CZ CZ972069A patent/CZ284950B6/cs unknown
- 1996-02-01 EG EG9196A patent/EG20972A/xx active
-
1997
- 1997-06-30 BG BG101710A patent/BG63118B1/bg unknown
-
1999
- 1999-04-05 US US09/285,649 patent/US6730278B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1428191A3 (ru) * | 1981-10-16 | 1988-09-30 | Аммония Казале С.А. (Фирма) | Способ получени мочевины |
| EP0212744A1 (en) * | 1985-08-12 | 1987-03-04 | Stamicarbon B.V. | Process for the preparation of urea |
| EP0266840A1 (en) * | 1986-11-03 | 1988-05-11 | Stamicarbon B.V. | Process for preparing urea |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2247108C2 (ru) * | 2000-06-15 | 2005-02-27 | Уреа Касале С.А. | Способ разложения водного раствора карбамата, поступающего из секции выделения мочевины установки для получения мочевины |
| RU2262382C2 (ru) * | 2000-10-09 | 2005-10-20 | Уреа Касале С.А. | Устройство для разложения карбамата и отгонки аммиака и диоксида углерода из растворов мочевины и способ увеличения срока службы такого устройства |
| RU2254331C1 (ru) * | 2001-05-03 | 2005-06-20 | ДСМ Ай Пи ЭССЕТС Б.В. | Способ получения мочевины (варианты), способ повышения производительности процесса |
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