CA2454168A1 - Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 - Google Patents
Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 Download PDFInfo
- Publication number
- CA2454168A1 CA2454168A1 CA002454168A CA2454168A CA2454168A1 CA 2454168 A1 CA2454168 A1 CA 2454168A1 CA 002454168 A CA002454168 A CA 002454168A CA 2454168 A CA2454168 A CA 2454168A CA 2454168 A1 CA2454168 A1 CA 2454168A1
- Authority
- CA
- Canada
- Prior art keywords
- gas mixture
- ammonium carbamate
- mpa
- gas
- mixture
- 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.)
- Abandoned
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 100
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 title claims abstract description 61
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000010521 absorption reaction Methods 0.000 claims abstract description 46
- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 238000009833 condensation Methods 0.000 claims description 50
- 230000005494 condensation Effects 0.000 claims description 50
- 238000000926 separation method Methods 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 29
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 18
- 239000004202 carbamide Substances 0.000 claims description 16
- 229920000877 Melamine resin Polymers 0.000 claims description 15
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000008246 gaseous mixture Substances 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 79
- 239000000243 solution Substances 0.000 description 49
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 34
- 229910001868 water Inorganic materials 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000002360 preparation method Methods 0.000 description 15
- 239000006096 absorbing agent Substances 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- NXFHUWGCNYINNK-UHFFFAOYSA-N NC(=O)N.C(N)([O-])=O.[NH4+].C(=O)=O.N Chemical compound NC(=O)N.C(N)([O-])=O.[NH4+].C(=O)=O.N NXFHUWGCNYINNK-UHFFFAOYSA-N 0.000 description 1
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 description 1
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/12—Carbamic acid or thiocarbamic acid; Salts thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/10—Separation of ammonia from ammonia liquors, e.g. gas liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
- Carbon And Carbon Compounds (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1018624 | 2001-07-24 | ||
| NL1018624 | 2001-07-24 | ||
| PCT/NL2002/000433 WO2003010089A1 (en) | 2001-07-24 | 2002-07-03 | Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2454168A1 true CA2454168A1 (en) | 2003-02-06 |
Family
ID=19773779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002454168A Abandoned CA2454168A1 (en) | 2001-07-24 | 2002-07-03 | Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US6914157B2 (https=) |
| EP (1) | EP1429996B1 (https=) |
| JP (1) | JP2004536011A (https=) |
| CN (1) | CN1278928C (https=) |
| AT (1) | ATE295827T1 (https=) |
| CA (1) | CA2454168A1 (https=) |
| DE (1) | DE60204231T2 (https=) |
| ES (1) | ES2239236T3 (https=) |
| MY (1) | MY128719A (https=) |
| NO (1) | NO20040150L (https=) |
| PL (1) | PL202056B1 (https=) |
| SA (1) | SA02230223B1 (https=) |
| TW (1) | TWI228102B (https=) |
| WO (1) | WO2003010089A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175717B (zh) * | 2005-05-13 | 2011-07-06 | 斯塔米卡邦有限公司 | 浓缩含水氨基甲酸铵流的方法 |
| CN102190601A (zh) * | 2010-03-11 | 2011-09-21 | 中国科学院兰州化学物理研究所 | 合成小分子氨基甲酸烷基酯的方法 |
| CN103269980A (zh) * | 2011-03-31 | 2013-08-28 | 住友精化株式会社 | 氨的精制方法及氨精制系统 |
| US10106447B2 (en) | 2015-01-14 | 2018-10-23 | Bion Environmental Technologies, Inc. | Process to recover ammonium bicarbonate from wastewater |
| US10604432B2 (en) | 2015-01-14 | 2020-03-31 | Bion Environmental Technologies, Inc. | Process to recover ammonium bicarbonate from wastewater |
| GB2552040B (en) | 2016-12-01 | 2018-08-01 | Univ Loughborough | Process for reducing nitrogen oxides |
| US10315986B1 (en) * | 2018-04-06 | 2019-06-11 | Solenis Technologies, L.P. | Systems and methods for forming a solution of ammonium carbamate |
| ES2969008T3 (es) | 2019-07-08 | 2024-05-16 | A Y Lab Ltd | Procedimiento de producción de una solución de carbamato de amonio |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE62559C (de) | A. HUBER in Köln a. Rh,, Gereonsmühlengasse 9 | Ventilations - Einrichtung für gewerbliche Anlagen, in welchen in offenen Gefäfsen mit heifsem Wasser gearbeitet wird | ||
| DD62559A (https=) * | ||||
| US3310558A (en) * | 1967-03-21 | Melamine recovery | ||
| LU37505A1 (https=) * | 1958-08-08 | |||
| US3301897A (en) * | 1965-11-08 | 1967-01-31 | Chemical Construction Corp | Process for urea synthesis |
| US3503970A (en) * | 1967-07-19 | 1970-03-31 | Mitsui Toatsu Chemicals | Integrated process for producing urea and melamine |
| DE1770969C3 (de) * | 1968-07-25 | 1978-08-24 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Rückführung der Abgase der Melaminsynthese in die Hamstoffsynthese |
| NL8201479A (nl) * | 1982-04-07 | 1983-11-01 | Stamicarbon | Werkwijze voor het bereiden van melamine. |
-
2002
- 2002-07-03 DE DE60204231T patent/DE60204231T2/de not_active Expired - Lifetime
- 2002-07-03 WO PCT/NL2002/000433 patent/WO2003010089A1/en not_active Ceased
- 2002-07-03 CN CN02814654.9A patent/CN1278928C/zh not_active Expired - Fee Related
- 2002-07-03 AT AT02743983T patent/ATE295827T1/de not_active IP Right Cessation
- 2002-07-03 JP JP2003515450A patent/JP2004536011A/ja active Pending
- 2002-07-03 PL PL366735A patent/PL202056B1/pl not_active IP Right Cessation
- 2002-07-03 CA CA002454168A patent/CA2454168A1/en not_active Abandoned
- 2002-07-03 US US10/483,489 patent/US6914157B2/en not_active Expired - Fee Related
- 2002-07-03 EP EP02743983A patent/EP1429996B1/en not_active Expired - Lifetime
- 2002-07-03 ES ES02743983T patent/ES2239236T3/es not_active Expired - Lifetime
- 2002-07-05 TW TW091114951A patent/TWI228102B/zh not_active IP Right Cessation
- 2002-07-12 MY MYPI20022655A patent/MY128719A/en unknown
- 2002-07-24 SA SA02230223A patent/SA02230223B1/ar unknown
-
2004
- 2004-01-13 NO NO20040150A patent/NO20040150L/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004536011A (ja) | 2004-12-02 |
| EP1429996A1 (en) | 2004-06-23 |
| US20040199013A1 (en) | 2004-10-07 |
| ATE295827T1 (de) | 2005-06-15 |
| DE60204231D1 (de) | 2005-06-23 |
| EP1429996B1 (en) | 2005-05-18 |
| CN1278928C (zh) | 2006-10-11 |
| TWI228102B (en) | 2005-02-21 |
| SA02230223B1 (ar) | 2006-11-11 |
| WO2003010089A1 (en) | 2003-02-06 |
| US6914157B2 (en) | 2005-07-05 |
| CN1533362A (zh) | 2004-09-29 |
| PL366735A1 (en) | 2005-02-07 |
| PL202056B1 (pl) | 2009-05-29 |
| DE60204231T2 (de) | 2006-01-26 |
| ES2239236T3 (es) | 2005-09-16 |
| MY128719A (en) | 2007-02-28 |
| NO20040150L (no) | 2004-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2667956C (en) | Integrated process for urea and melamine production | |
| CN109890788B (zh) | 尿素与尿素-硝酸铵的集成工艺 | |
| JP2011079829A (ja) | 尿素プラントの製造能力を増大させる方法 | |
| HU180579B (en) | Process for cleaning urea-containing waste waters and for producing melamine | |
| CA1053701A (en) | Integrated urea-ammonia process | |
| US20200024242A1 (en) | Low-energy consumption process with reduced ammonia consumption, for the production of high-purity melamine through the pyrolysis of urea, and relative plant | |
| EP1429996B1 (en) | Method for obtaining an ammonium carbamate solution from a gas mixture containing ammonia, water and carbon dioxide | |
| EP1763508B1 (en) | Process for the preparation of urea | |
| KR101320276B1 (ko) | 수성 암모늄 카바메이트 스트림의 농축 방법 | |
| TWI242557B (en) | Process for preparing melamine | |
| PL111842B1 (en) | Method of isolation of substantially pure ammonia and substantially pure carbon dioxide from the mixtures containing these compounds |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |