JPH0528218B2 - - Google Patents
Info
- Publication number
- JPH0528218B2 JPH0528218B2 JP59129686A JP12968684A JPH0528218B2 JP H0528218 B2 JPH0528218 B2 JP H0528218B2 JP 59129686 A JP59129686 A JP 59129686A JP 12968684 A JP12968684 A JP 12968684A JP H0528218 B2 JPH0528218 B2 JP H0528218B2
- Authority
- JP
- Japan
- Prior art keywords
- urea
- ammonia
- carbon dioxide
- zone
- urea synthesis
- 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 - Fee Related
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 62
- 239000004202 carbamide Substances 0.000 claims description 62
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 60
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 58
- 238000003786 synthesis reaction Methods 0.000 claims description 34
- 230000015572 biosynthetic process Effects 0.000 claims description 32
- 229910021529 ammonia Inorganic materials 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 30
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 29
- 239000001569 carbon dioxide Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000008246 gaseous mixture Substances 0.000 description 26
- 239000007788 liquid Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000012263 liquid product Substances 0.000 description 12
- 239000010409 thin film Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 5
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 5
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59129686A JPS6110545A (ja) | 1984-06-22 | 1984-06-22 | 尿素の製造法 |
| CN 85105141 CN1011139B (zh) | 1984-06-22 | 1985-07-06 | 在尿素生产中尿素合成液的汽提方法之改进 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59129686A JPS6110545A (ja) | 1984-06-22 | 1984-06-22 | 尿素の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6110545A JPS6110545A (ja) | 1986-01-18 |
| JPH0528218B2 true JPH0528218B2 (xx) | 1993-04-23 |
Family
ID=15015673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59129686A Granted JPS6110545A (ja) | 1984-06-22 | 1984-06-22 | 尿素の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6110545A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62290841A (ja) * | 1986-06-10 | 1987-12-17 | Nippon Kokan Kk <Nkk> | 含クロム銑の製造方法 |
-
1984
- 1984-06-22 JP JP59129686A patent/JPS6110545A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6110545A (ja) | 1986-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |