SU810078A3 - Способ выделени непрореагировав-шиХ АММиАКА и углЕКиСлОгО гАзА изпРОдуКТОВ СиНТЕзА МОчЕВиНы - Google Patents
Способ выделени непрореагировав-шиХ АММиАКА и углЕКиСлОгО гАзА изпРОдуКТОВ СиНТЕзА МОчЕВиНы Download PDFInfo
- Publication number
- SU810078A3 SU810078A3 SU772455690A SU2455690A SU810078A3 SU 810078 A3 SU810078 A3 SU 810078A3 SU 772455690 A SU772455690 A SU 772455690A SU 2455690 A SU2455690 A SU 2455690A SU 810078 A3 SU810078 A3 SU 810078A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- products
- zone
- urea
- synthesis
- pressure
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 68
- 239000004202 carbamide Substances 0.000 title claims abstract description 68
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 68
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 title claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract 64
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract 32
- 239000001569 carbon dioxide Substances 0.000 claims abstract 32
- 238000000926 separation method Methods 0.000 claims abstract 25
- 239000008246 gaseous mixture Substances 0.000 claims abstract 19
- 230000002745 absorbent Effects 0.000 claims abstract 4
- 239000002250 absorbent Substances 0.000 claims abstract 4
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims abstract 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract 3
- 238000000354 decomposition reaction Methods 0.000 claims abstract 2
- 235000013877 carbamide Nutrition 0.000 claims 65
- 238000004821 distillation Methods 0.000 claims 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 27
- 238000010521 absorption reaction Methods 0.000 claims 10
- 239000000203 mixture Substances 0.000 claims 5
- 238000009833 condensation Methods 0.000 claims 3
- 230000005494 condensation Effects 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 2
- 238000005194 fractionation Methods 0.000 claims 2
- 238000010992 reflux Methods 0.000 claims 2
- 210000002700 urine Anatomy 0.000 claims 2
- 238000009835 boiling Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- 150000003672 ureas Chemical class 0.000 claims 1
- 238000005292 vacuum distillation Methods 0.000 claims 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 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)
- Lubricants (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2176076A JPS52105125A (en) | 1976-03-02 | 1976-03-02 | Separation and recovery of unreacted material on urea synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU810078A3 true SU810078A3 (ru) | 1981-02-28 |
Family
ID=12064013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU772455690A SU810078A3 (ru) | 1976-03-02 | 1977-03-02 | Способ выделени непрореагировав-шиХ АММиАКА и углЕКиСлОгО гАзА изпРОдуКТОВ СиНТЕзА МОчЕВиНы |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS52105125A (enExample) |
| AU (1) | AU506697B2 (enExample) |
| BR (1) | BR7701245A (enExample) |
| CA (1) | CA1072980A (enExample) |
| DE (1) | DE2708617C2 (enExample) |
| EG (1) | EG12471A (enExample) |
| FR (1) | FR2342961A1 (enExample) |
| GB (1) | GB1508119A (enExample) |
| IN (1) | IN145548B (enExample) |
| IT (1) | IT1071312B (enExample) |
| MX (1) | MX144971A (enExample) |
| NL (1) | NL7701883A (enExample) |
| NO (1) | NO150276C (enExample) |
| PH (1) | PH13083A (enExample) |
| PT (1) | PT66245B (enExample) |
| SU (1) | SU810078A3 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| GB2089786B (en) * | 1980-12-23 | 1985-02-20 | Mitsui Toatsu Chemicals | Process for synthesizing urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1540732A (fr) * | 1966-10-14 | 1968-09-27 | Toyo Koatsu Ind Inc | Procédé de synthèse de l'urée |
| GB1217219A (en) * | 1967-08-10 | 1970-12-31 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis |
| JPS4919259B1 (enExample) * | 1969-08-30 | 1974-05-16 | ||
| US3824283A (en) * | 1970-11-02 | 1974-07-16 | Chemical Construction Corp | Urea synthesis process |
-
1976
- 1976-03-02 JP JP2176076A patent/JPS52105125A/ja active Granted
- 1976-10-14 IN IN1881/CAL/76A patent/IN145548B/en unknown
-
1977
- 1977-02-01 MX MX167894A patent/MX144971A/es unknown
- 1977-02-14 EG EG86/77A patent/EG12471A/xx active
- 1977-02-15 GB GB6319/77A patent/GB1508119A/en not_active Expired
- 1977-02-21 AU AU22502/77A patent/AU506697B2/en not_active Expired
- 1977-02-22 NL NL7701883A patent/NL7701883A/xx not_active Application Discontinuation
- 1977-02-28 NO NO770672A patent/NO150276C/no unknown
- 1977-02-28 PT PT66245A patent/PT66245B/pt unknown
- 1977-02-28 DE DE2708617A patent/DE2708617C2/de not_active Expired
- 1977-02-28 FR FR7705832A patent/FR2342961A1/fr active Granted
- 1977-03-01 PH PH19511A patent/PH13083A/en unknown
- 1977-03-01 BR BR7701245A patent/BR7701245A/pt unknown
- 1977-03-01 CA CA272,865A patent/CA1072980A/en not_active Expired
- 1977-03-02 IT IT20822/77A patent/IT1071312B/it active
- 1977-03-02 SU SU772455690A patent/SU810078A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| NO770672L (no) | 1977-09-05 |
| NO150276B (no) | 1984-06-12 |
| PT66245A (en) | 1977-03-01 |
| JPS52105125A (en) | 1977-09-03 |
| DE2708617A1 (de) | 1977-09-08 |
| PT66245B (en) | 1978-07-17 |
| CA1072980A (en) | 1980-03-04 |
| MX144971A (es) | 1981-12-09 |
| EG12471A (en) | 1979-09-30 |
| NL7701883A (nl) | 1977-09-06 |
| FR2342961A1 (fr) | 1977-09-30 |
| PH13083A (en) | 1979-11-23 |
| AU506697B2 (en) | 1980-01-17 |
| FR2342961B1 (enExample) | 1980-10-31 |
| IT1071312B (it) | 1985-04-02 |
| DE2708617C2 (de) | 1984-11-29 |
| IN145548B (enExample) | 1978-11-04 |
| AU2250277A (en) | 1978-08-31 |
| NO150276C (no) | 1984-09-19 |
| GB1508119A (en) | 1978-04-19 |
| BR7701245A (pt) | 1977-12-20 |
| JPS5532703B2 (enExample) | 1980-08-26 |
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