JPS58189153A - 尿素の製造方法 - Google Patents
尿素の製造方法Info
- Publication number
- JPS58189153A JPS58189153A JP58070832A JP7083283A JPS58189153A JP S58189153 A JPS58189153 A JP S58189153A JP 58070832 A JP58070832 A JP 58070832A JP 7083283 A JP7083283 A JP 7083283A JP S58189153 A JPS58189153 A JP S58189153A
- Authority
- JP
- Japan
- Prior art keywords
- zone
- urea
- ammonium carbamate
- solution
- condensation
- 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.)
- Pending
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 125
- 239000004202 carbamide Substances 0.000 title claims description 110
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 114
- 239000000243 solution Substances 0.000 claims description 110
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 105
- 238000009833 condensation Methods 0.000 claims description 99
- 230000005494 condensation Effects 0.000 claims description 99
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 88
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 88
- 239000007789 gas Substances 0.000 claims description 79
- 230000015572 biosynthetic process Effects 0.000 claims description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 68
- 238000003786 synthesis reaction Methods 0.000 claims description 63
- 229910021529 ammonia Inorganic materials 0.000 claims description 56
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 53
- 239000001569 carbon dioxide Substances 0.000 claims description 51
- 238000003795 desorption Methods 0.000 claims description 50
- 230000008569 process Effects 0.000 claims description 49
- 239000000203 mixture Substances 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 25
- 230000007062 hydrolysis Effects 0.000 claims description 22
- 238000006460 hydrolysis reaction Methods 0.000 claims description 22
- 238000000354 decomposition reaction Methods 0.000 claims description 20
- 238000005336 cracking Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 239000012808 vapor phase Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 3
- 239000003546 flue gas Substances 0.000 claims 3
- 239000002912 waste gas Substances 0.000 claims 3
- 238000004064 recycling Methods 0.000 claims 1
- 210000002700 urine Anatomy 0.000 claims 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 19
- 239000000047 product Substances 0.000 description 13
- 239000012071 phase Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 2
- 150000003672 ureas Chemical class 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 1
- NEDVJZNVOSNSHF-ZNHDNBJUSA-N [(1r,5s)-8,8-dimethyl-8-azoniabicyclo[3.2.1]octan-3-yl] 3-hydroxy-2-phenylpropanoate;nitrate Chemical compound [O-][N+]([O-])=O.C([C@H]1CC[C@@H](C2)[N+]1(C)C)C2OC(=O)C(CO)C1=CC=CC=C1 NEDVJZNVOSNSHF-ZNHDNBJUSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- DIOLOCSXUMYFJN-UHFFFAOYSA-N calcium;azane Chemical compound N.[Ca+2] DIOLOCSXUMYFJN-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229960003080 taurine Drugs 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 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
- C07C273/04—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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8201652A NL8201652A (nl) | 1982-04-21 | 1982-04-21 | Werkwijze voor de bereiding van ureum. |
| NL8201652 | 1982-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58189153A true JPS58189153A (ja) | 1983-11-04 |
Family
ID=19839623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58070832A Pending JPS58189153A (ja) | 1982-04-21 | 1983-04-21 | 尿素の製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4539077A (OSRAM) |
| EP (1) | EP0093466B1 (OSRAM) |
| JP (1) | JPS58189153A (OSRAM) |
| DE (1) | DE3360512D1 (OSRAM) |
| IN (1) | IN159537B (OSRAM) |
| NL (1) | NL8201652A (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023503177A (ja) * | 2019-12-30 | 2023-01-26 | スタミカーボン・ベー・フェー | 複数の蒸発器を用いた尿素製造 |
| US11905234B2 (en) | 2019-12-30 | 2024-02-20 | Stamicarbon B.V. | Ammonia removal from urea finishing |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| EP0297738B1 (en) * | 1987-06-29 | 1992-03-25 | United Kingdom Atomic Energy Authority | A method for the treatment of waste matter |
| NL8800259A (nl) * | 1988-02-04 | 1989-09-01 | Stamicarbon | Werkwijze voor het concentreren van een ureumoplossing. |
| US4966654A (en) * | 1988-09-19 | 1990-10-30 | Awd Technologies, Inc. | Soil and groundwater remediation system |
| IT1240675B (it) * | 1990-04-24 | 1993-12-17 | Snam Progetti | Procedimento per la concentrazione sotto vuoto di soluzioni di urea |
| US5316554A (en) * | 1992-06-03 | 1994-05-31 | Hansen Charles N | Method for processing crystalline ammonium carbamate |
| US5352335A (en) * | 1992-11-09 | 1994-10-04 | Albemarle Corporation | Groundwater treatment process |
| US5385646A (en) * | 1993-09-03 | 1995-01-31 | Farmland Industries, Inc. | Method of treating chemical process effluent |
| US5643420A (en) * | 1993-09-03 | 1997-07-01 | Farmland Industries, Inc. | Method for treating process condensate |
| US5779861A (en) * | 1993-09-03 | 1998-07-14 | Farmland Industries, Inc. | Method for treating process condensate |
| CA2141886E (en) | 1994-05-11 | 1999-10-12 | Federico Zardi | Reactor for two-phase reactions, in particular for urea synthesis at high pressure and temperature |
| RU2164912C2 (ru) * | 1994-12-23 | 2001-04-10 | Уреа Касале С.А. | Способ модернизации установки для получения мочевины (варианты) и установка для получения мочевины (варианты) |
| CA2146070C (en) * | 1995-03-15 | 2002-01-29 | Kees Jonckers | Improved reactor for the synthesis of urea |
| US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
| EP0905127B1 (en) * | 1997-09-20 | 2001-11-28 | Urea Casale S.A. | Process for combined production of ammonia and urea |
| NL1022526C2 (nl) * | 2003-01-30 | 2004-08-04 | Dsm Nv | Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O. |
| EP3782979A1 (en) * | 2019-08-20 | 2021-02-24 | Yara International ASA | Preparation of urea solution and facility to do so |
| EP4352041B1 (en) * | 2021-06-11 | 2025-02-12 | Stamicarbon B.V. | Urea production with triple mp streams |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2701262A (en) * | 1953-02-02 | 1955-02-01 | Chemical Construction Corp | Urea purification |
| DE1248639B (OSRAM) * | 1959-07-03 | |||
| US3232982A (en) * | 1960-01-08 | 1966-02-01 | Pullman Inc | Urea synthesis |
| US3172911A (en) * | 1961-06-16 | 1965-03-09 | Urea synthesis process | |
| US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
| US3824283A (en) * | 1970-11-02 | 1974-07-16 | Chemical Construction Corp | Urea synthesis process |
| NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| NL7612162A (nl) * | 1976-11-03 | 1978-05-08 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2. |
| US4231839A (en) * | 1979-01-30 | 1980-11-04 | Cf Industries, Inc. | After-treatment processes and apparatus, especially for urea and ammonium nitrate plants |
| DD146752A3 (de) * | 1980-01-08 | 1981-03-04 | Lothar Guenther | Verfahren zur reinigung von prozessabwasser der harnstoffsynthese |
| CA2601662A1 (en) * | 2006-09-18 | 2008-03-18 | Matthias Mullenborn | Wireless interface for programming hearing assistance devices |
-
1982
- 1982-04-21 NL NL8201652A patent/NL8201652A/nl not_active Application Discontinuation
-
1983
- 1983-04-15 EP EP83200545A patent/EP0093466B1/en not_active Expired
- 1983-04-15 DE DE8383200545T patent/DE3360512D1/de not_active Expired
- 1983-04-21 US US06/487,091 patent/US4539077A/en not_active Expired - Fee Related
- 1983-04-21 JP JP58070832A patent/JPS58189153A/ja active Pending
- 1983-04-28 IN IN520/CAL/83A patent/IN159537B/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023503177A (ja) * | 2019-12-30 | 2023-01-26 | スタミカーボン・ベー・フェー | 複数の蒸発器を用いた尿素製造 |
| US11905234B2 (en) | 2019-12-30 | 2024-02-20 | Stamicarbon B.V. | Ammonia removal from urea finishing |
| US11912649B2 (en) | 2019-12-30 | 2024-02-27 | Stamicarbon B.V. | Ammonia removal from urea finishing |
Also Published As
| Publication number | Publication date |
|---|---|
| NL8201652A (nl) | 1983-11-16 |
| US4539077A (en) | 1985-09-03 |
| DE3360512D1 (en) | 1985-09-12 |
| EP0093466B1 (en) | 1985-08-07 |
| EP0093466A1 (en) | 1983-11-09 |
| IN159537B (OSRAM) | 1987-05-23 |
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