CA1101884A - Method for the production of urea from pure co.sub.2 and nh.sub.3 - Google Patents
Method for the production of urea from pure co.sub.2 and nh.sub.3Info
- Publication number
- CA1101884A CA1101884A CA299,501A CA299501A CA1101884A CA 1101884 A CA1101884 A CA 1101884A CA 299501 A CA299501 A CA 299501A CA 1101884 A CA1101884 A CA 1101884A
- Authority
- CA
- Canada
- Prior art keywords
- absorber
- ammonia
- reactor
- carbon dioxide
- urea
- 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.)
- Expired
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000004202 carbamide Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 80
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 28
- 239000006096 absorbing agent Substances 0.000 claims abstract description 27
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 20
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims abstract description 17
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 13
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 2
- 239000001099 ammonium carbonate Substances 0.000 claims description 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims 2
- 239000000376 reactant Substances 0.000 claims 1
- 239000007858 starting material Substances 0.000 abstract 1
- 229910001868 water Inorganic materials 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation 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 |
|---|---|---|---|
| IT21904/77A IT1075371B (it) | 1977-03-31 | 1977-03-31 | Processo per la produzione di urea partendo da co2 e nh3 pure |
| IT21904A/77 | 1977-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1101884A true CA1101884A (en) | 1981-05-26 |
Family
ID=11188506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA299,501A Expired CA1101884A (en) | 1977-03-31 | 1978-03-22 | Method for the production of urea from pure co.sub.2 and nh.sub.3 |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS53149929A (es) |
| AR (1) | AR214002A1 (es) |
| AU (1) | AU519725B2 (es) |
| BE (1) | BE865585A (es) |
| BR (1) | BR7802007A (es) |
| CA (1) | CA1101884A (es) |
| CH (1) | CH632240A5 (es) |
| CS (1) | CS204026B2 (es) |
| DD (1) | DD134223A5 (es) |
| DE (1) | DE2813528C3 (es) |
| DK (1) | DK140378A (es) |
| ES (1) | ES469090A1 (es) |
| FR (1) | FR2385690A1 (es) |
| GB (1) | GB1586629A (es) |
| IE (1) | IE46700B1 (es) |
| IT (1) | IT1075371B (es) |
| LU (1) | LU79340A1 (es) |
| NL (1) | NL7803338A (es) |
| PL (1) | PL108056B1 (es) |
| SE (1) | SE7803685L (es) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE790015A (fr) * | 1971-10-19 | 1973-04-12 | Mavrovic Ivo | Synthese de l'uree avec conversion et recuperation de chaleur ameliorees |
-
1977
- 1977-03-31 IT IT21904/77A patent/IT1075371B/it active
-
1978
- 1978-03-20 AU AU34291/78A patent/AU519725B2/en not_active Expired
- 1978-03-21 GB GB11243/78A patent/GB1586629A/en not_active Expired
- 1978-03-22 CA CA299,501A patent/CA1101884A/en not_active Expired
- 1978-03-28 ES ES469090A patent/ES469090A1/es not_active Expired
- 1978-03-28 AR AR271575A patent/AR214002A1/es active
- 1978-03-29 PL PL1978205651A patent/PL108056B1/pl unknown
- 1978-03-29 NL NL7803338A patent/NL7803338A/xx not_active Application Discontinuation
- 1978-03-29 DE DE2813528A patent/DE2813528C3/de not_active Expired
- 1978-03-29 CH CH335878A patent/CH632240A5/it not_active IP Right Cessation
- 1978-03-30 FR FR7809361A patent/FR2385690A1/fr not_active Withdrawn
- 1978-03-30 CS CS782044A patent/CS204026B2/cs unknown
- 1978-03-30 DK DK140378A patent/DK140378A/da unknown
- 1978-03-30 LU LU79340A patent/LU79340A1/xx unknown
- 1978-03-30 IE IE636/78A patent/IE46700B1/en unknown
- 1978-03-31 BE BE186482A patent/BE865585A/xx not_active IP Right Cessation
- 1978-03-31 BR BR7802007A patent/BR7802007A/pt unknown
- 1978-03-31 JP JP3695778A patent/JPS53149929A/ja active Pending
- 1978-03-31 SE SE7803685A patent/SE7803685L/xx unknown
- 1978-03-31 DD DD78204529A patent/DD134223A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2385690A1 (fr) | 1978-10-27 |
| SE7803685L (sv) | 1978-10-01 |
| DE2813528C3 (de) | 1980-03-20 |
| ES469090A1 (es) | 1978-11-16 |
| PL205651A1 (pl) | 1978-12-04 |
| DE2813528B2 (de) | 1979-07-26 |
| IE46700B1 (en) | 1983-08-24 |
| AU3429178A (en) | 1979-09-27 |
| BR7802007A (pt) | 1979-04-03 |
| NL7803338A (nl) | 1978-10-03 |
| DK140378A (da) | 1978-10-01 |
| JPS53149929A (en) | 1978-12-27 |
| PL108056B1 (pl) | 1980-03-31 |
| CS204026B2 (en) | 1981-03-31 |
| IE780636L (en) | 1978-11-30 |
| DE2813528A1 (de) | 1978-10-12 |
| LU79340A1 (fr) | 1978-07-13 |
| IT1075371B (it) | 1985-04-22 |
| AR214002A1 (es) | 1979-04-11 |
| GB1586629A (en) | 1981-03-25 |
| DD134223A5 (de) | 1979-02-14 |
| CH632240A5 (en) | 1982-09-30 |
| BE865585A (fr) | 1978-10-02 |
| AU519725B2 (en) | 1981-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |