SU190290A1 - - Google Patents
Info
- Publication number
- SU190290A1 SU190290A1 SU743931A SU743931A SU190290A1 SU 190290 A1 SU190290 A1 SU 190290A1 SU 743931 A SU743931 A SU 743931A SU 743931 A SU743931 A SU 743931A SU 190290 A1 SU190290 A1 SU 190290A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- urea
- autoclave
- synthesis
- melt
- ammonium carbamate
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 106
- 239000004202 carbamide Substances 0.000 claims description 53
- 230000015572 biosynthetic process Effects 0.000 claims description 42
- 238000003786 synthesis reaction Methods 0.000 claims description 40
- 230000002194 synthesizing Effects 0.000 claims description 40
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 29
- BVCZEBOGSOYJJT-UHFFFAOYSA-N Ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 28
- 238000004821 distillation Methods 0.000 claims description 27
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 24
- 239000007789 gas Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 14
- 238000009833 condensation Methods 0.000 claims description 9
- 230000005494 condensation Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000007788 liquid Substances 0.000 description 8
- KXDHJXZQYSOELW-UHFFFAOYSA-M carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- PRKQVKDSMLBJBJ-UHFFFAOYSA-N Ammonium carbonate Chemical compound N.N.OC(O)=O PRKQVKDSMLBJBJ-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 210000002683 Foot Anatomy 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
- 230000002441 reversible Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU190290A1 true SU190290A1 (tr) |
Family
ID=
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801746A (en) * | 1985-08-12 | 1989-01-31 | Stamicarbon B.V. | Process for the preparation of urea |
| US4801745A (en) * | 1985-08-12 | 1989-01-31 | Stamicarbon B.V. | Improved process for the preparation of urea |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4801746A (en) * | 1985-08-12 | 1989-01-31 | Stamicarbon B.V. | Process for the preparation of urea |
| US4801745A (en) * | 1985-08-12 | 1989-01-31 | Stamicarbon B.V. | Improved process for the preparation of urea |
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