JPS63112552A - 未転化物の分離方法 - Google Patents
未転化物の分離方法Info
- Publication number
- JPS63112552A JPS63112552A JP25940486A JP25940486A JPS63112552A JP S63112552 A JPS63112552 A JP S63112552A JP 25940486 A JP25940486 A JP 25940486A JP 25940486 A JP25940486 A JP 25940486A JP S63112552 A JPS63112552 A JP S63112552A
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- gaseous mixture
- urea
- carbon dioxide
- ammonia
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 239000000126 substance Substances 0.000 title abstract description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 98
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 97
- 239000004202 carbamide Substances 0.000 claims abstract description 97
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 97
- 239000008246 gaseous mixture Substances 0.000 claims abstract description 71
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims abstract description 19
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 100
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 87
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 50
- 239000001569 carbon dioxide Substances 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 44
- 229910021529 ammonia Inorganic materials 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 229910001868 water Inorganic materials 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 22
- 239000007864 aqueous solution Substances 0.000 abstract description 18
- 239000006096 absorbing agent Substances 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 235000013877 carbamide Nutrition 0.000 abstract 3
- 150000003672 ureas Chemical class 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 11
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000001308 synthesis method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25940486A JPS63112552A (ja) | 1986-10-30 | 1986-10-30 | 未転化物の分離方法 |
| IN907/DEL/87A IN171250B (de) | 1986-10-30 | 1987-10-16 | |
| BR8705723A BR8705723A (pt) | 1986-10-30 | 1987-10-27 | Processo para a separacao de materias primas nao convertidas |
| GB8725321A GB2196965B (en) | 1986-10-30 | 1987-10-29 | Urea synthesis. |
| CN 87107799 CN1020898C (zh) | 1986-10-30 | 1987-10-29 | 分离未转变原料的方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25940486A JPS63112552A (ja) | 1986-10-30 | 1986-10-30 | 未転化物の分離方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63112552A true JPS63112552A (ja) | 1988-05-17 |
Family
ID=17333651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25940486A Pending JPS63112552A (ja) | 1986-10-30 | 1986-10-30 | 未転化物の分離方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS63112552A (de) |
| CN (1) | CN1020898C (de) |
| BR (1) | BR8705723A (de) |
| GB (1) | GB2196965B (de) |
| IN (1) | IN171250B (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6426434B1 (en) | 2000-11-01 | 2002-07-30 | Toyo Engineering Corporation | Process for the synthesis of urea |
| JP2016514033A (ja) * | 2013-02-08 | 2016-05-19 | 東洋エンジニアリング株式会社 | 燃焼排ガスからの二酸化炭素回収プロセス |
| WO2017043390A1 (ja) * | 2015-09-08 | 2017-03-16 | 東洋エンジニアリング株式会社 | 尿素製造方法及び尿素製造装置 |
| JP2018076379A (ja) * | 2012-05-03 | 2018-05-17 | スタミカーボン・ベー・フェー | アンモニア及び二酸化炭素から尿素を製造するための方法、並びに装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039413C (zh) * | 1993-09-16 | 1998-08-05 | 中国化学工程总公司 | 新汽提循环法尿素生产方法及其装置 |
| CN1041199C (zh) * | 1994-06-18 | 1998-12-16 | 中国五环化学工程公司 | 全循环法尿素节能生产新装置 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5334721A (en) * | 1976-09-09 | 1978-03-31 | Snam Progetti | Method of carrying out manufacture of urea and purification of water |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5746954A (en) * | 1980-09-05 | 1982-03-17 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
-
1986
- 1986-10-30 JP JP25940486A patent/JPS63112552A/ja active Pending
-
1987
- 1987-10-16 IN IN907/DEL/87A patent/IN171250B/en unknown
- 1987-10-27 BR BR8705723A patent/BR8705723A/pt not_active IP Right Cessation
- 1987-10-29 GB GB8725321A patent/GB2196965B/en not_active Expired - Fee Related
- 1987-10-29 CN CN 87107799 patent/CN1020898C/zh not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5334721A (en) * | 1976-09-09 | 1978-03-31 | Snam Progetti | Method of carrying out manufacture of urea and purification of water |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5746954A (en) * | 1980-09-05 | 1982-03-17 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5750954A (en) * | 1980-09-12 | 1982-03-25 | Mitsui Toatsu Chem Inc | Synthesis of urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6426434B1 (en) | 2000-11-01 | 2002-07-30 | Toyo Engineering Corporation | Process for the synthesis of urea |
| JP2018076379A (ja) * | 2012-05-03 | 2018-05-17 | スタミカーボン・ベー・フェー | アンモニア及び二酸化炭素から尿素を製造するための方法、並びに装置 |
| JP2016514033A (ja) * | 2013-02-08 | 2016-05-19 | 東洋エンジニアリング株式会社 | 燃焼排ガスからの二酸化炭素回収プロセス |
| WO2017043390A1 (ja) * | 2015-09-08 | 2017-03-16 | 東洋エンジニアリング株式会社 | 尿素製造方法及び尿素製造装置 |
| GB2557080A (en) * | 2015-09-08 | 2018-06-13 | Toyo Engineering Corp | Urea production method and urea production device |
| JPWO2017043390A1 (ja) * | 2015-09-08 | 2018-08-02 | 東洋エンジニアリング株式会社 | 尿素製造方法及び尿素製造装置 |
| US10501407B2 (en) | 2015-09-08 | 2019-12-10 | Toyo Engineering Corporation | Urea manufacturing method and urea manufacturing apparatus |
| GB2557080B (en) * | 2015-09-08 | 2020-04-29 | Toyo Engineering Corp | Urea manufacturing method and urea manufacturing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2196965A (en) | 1988-05-11 |
| GB2196965B (en) | 1990-07-11 |
| BR8705723A (pt) | 1988-05-31 |
| GB8725321D0 (en) | 1987-12-02 |
| CN87107799A (zh) | 1988-07-06 |
| CN1020898C (zh) | 1993-05-26 |
| IN171250B (de) | 1992-08-22 |
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