CS204026B2 - Method of producing urea from pure carbon dioxide and ammonia - Google Patents
Method of producing urea from pure carbon dioxide and ammonia Download PDFInfo
- Publication number
- CS204026B2 CS204026B2 CS782044A CS204478A CS204026B2 CS 204026 B2 CS204026 B2 CS 204026B2 CS 782044 A CS782044 A CS 782044A CS 204478 A CS204478 A CS 204478A CS 204026 B2 CS204026 B2 CS 204026B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- ammonia
- carbon dioxide
- absorber
- urea
- reactor
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 103
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 41
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 41
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 40
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000004202 carbamide Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000006096 absorbing agent Substances 0.000 claims abstract description 31
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 6
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 2
- 239000007858 starting material Substances 0.000 abstract description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- ZEYWAHILTZGZBH-UHFFFAOYSA-N azane;carbon dioxide Chemical compound N.O=C=O ZEYWAHILTZGZBH-UHFFFAOYSA-N 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 230000007423 decrease 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
- 239000000047 product Substances 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 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 (1)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS204026B2 true CS204026B2 (en) | 1981-03-31 |
Family
ID=11188506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS782044A CS204026B2 (en) | 1977-03-31 | 1978-03-30 | Method of producing urea from pure carbon dioxide and ammonia |
Country Status (20)
| Country | Link |
|---|---|
| JP (1) | JPS53149929A (pl) |
| AR (1) | AR214002A1 (pl) |
| AU (1) | AU519725B2 (pl) |
| BE (1) | BE865585A (pl) |
| BR (1) | BR7802007A (pl) |
| CA (1) | CA1101884A (pl) |
| CH (1) | CH632240A5 (pl) |
| CS (1) | CS204026B2 (pl) |
| DD (1) | DD134223A5 (pl) |
| DE (1) | DE2813528C3 (pl) |
| DK (1) | DK140378A (pl) |
| ES (1) | ES469090A1 (pl) |
| FR (1) | FR2385690A1 (pl) |
| GB (1) | GB1586629A (pl) |
| IE (1) | IE46700B1 (pl) |
| IT (1) | IT1075371B (pl) |
| LU (1) | LU79340A1 (pl) |
| NL (1) | NL7803338A (pl) |
| PL (1) | PL108056B1 (pl) |
| SE (1) | SE7803685L (pl) |
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 DE DE2813528A patent/DE2813528C3/de not_active Expired
- 1978-03-29 NL NL7803338A patent/NL7803338A/xx not_active Application Discontinuation
- 1978-03-29 PL PL1978205651A patent/PL108056B1/pl unknown
- 1978-03-29 CH CH335878A patent/CH632240A5/it not_active IP Right Cessation
- 1978-03-30 LU LU79340A patent/LU79340A1/xx unknown
- 1978-03-30 CS CS782044A patent/CS204026B2/cs unknown
- 1978-03-30 IE IE636/78A patent/IE46700B1/en unknown
- 1978-03-30 DK DK140378A patent/DK140378A/da unknown
- 1978-03-30 FR FR7809361A patent/FR2385690A1/fr not_active Withdrawn
- 1978-03-31 JP JP3695778A patent/JPS53149929A/ja active Pending
- 1978-03-31 DD DD78204529A patent/DD134223A5/xx unknown
- 1978-03-31 SE SE7803685A patent/SE7803685L/xx unknown
- 1978-03-31 BE BE186482A patent/BE865585A/xx not_active IP Right Cessation
- 1978-03-31 BR BR7802007A patent/BR7802007A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE7803685L (sv) | 1978-10-01 |
| FR2385690A1 (fr) | 1978-10-27 |
| PL205651A1 (pl) | 1978-12-04 |
| AU519725B2 (en) | 1981-12-17 |
| DK140378A (da) | 1978-10-01 |
| AU3429178A (en) | 1979-09-27 |
| AR214002A1 (es) | 1979-04-11 |
| DD134223A5 (de) | 1979-02-14 |
| BE865585A (fr) | 1978-10-02 |
| JPS53149929A (en) | 1978-12-27 |
| ES469090A1 (es) | 1978-11-16 |
| LU79340A1 (fr) | 1978-07-13 |
| DE2813528B2 (de) | 1979-07-26 |
| BR7802007A (pt) | 1979-04-03 |
| IT1075371B (it) | 1985-04-22 |
| CH632240A5 (en) | 1982-09-30 |
| DE2813528C3 (de) | 1980-03-20 |
| DE2813528A1 (de) | 1978-10-12 |
| GB1586629A (en) | 1981-03-25 |
| IE780636L (en) | 1978-11-30 |
| NL7803338A (nl) | 1978-10-03 |
| PL108056B1 (pl) | 1980-03-31 |
| CA1101884A (en) | 1981-05-26 |
| IE46700B1 (en) | 1983-08-24 |
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