JPH0141622B2 - - Google Patents
Info
- Publication number
- JPH0141622B2 JPH0141622B2 JP56082569A JP8256981A JPH0141622B2 JP H0141622 B2 JPH0141622 B2 JP H0141622B2 JP 56082569 A JP56082569 A JP 56082569A JP 8256981 A JP8256981 A JP 8256981A JP H0141622 B2 JPH0141622 B2 JP H0141622B2
- Authority
- JP
- Japan
- Prior art keywords
- urea
- pressure
- gaseous mixture
- urea synthesis
- carbon dioxide
- 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 claims description 79
- 239000004202 carbamide Substances 0.000 claims description 79
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 58
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 52
- 230000015572 biosynthetic process Effects 0.000 claims description 52
- 238000003786 synthesis reaction Methods 0.000 claims description 51
- 239000008246 gaseous mixture Substances 0.000 claims description 32
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 26
- 239000001569 carbon dioxide Substances 0.000 claims description 24
- 229910021529 ammonia Inorganic materials 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 14
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 8
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56082569A JPS57200352A (en) | 1981-06-01 | 1981-06-01 | Preparation of urea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56082569A JPS57200352A (en) | 1981-06-01 | 1981-06-01 | Preparation of urea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57200352A JPS57200352A (en) | 1982-12-08 |
| JPH0141622B2 true JPH0141622B2 (fr) | 1989-09-06 |
Family
ID=13778113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56082569A Granted JPS57200352A (en) | 1981-06-01 | 1981-06-01 | Preparation of urea |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57200352A (fr) |
-
1981
- 1981-06-01 JP JP56082569A patent/JPS57200352A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57200352A (en) | 1982-12-08 |
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