CA1026374A - Urea synthesis with improved heat recovery and ammonium carbamate recirculation - Google Patents
Urea synthesis with improved heat recovery and ammonium carbamate recirculationInfo
- Publication number
- CA1026374A CA1026374A CA202,018A CA202018A CA1026374A CA 1026374 A CA1026374 A CA 1026374A CA 202018 A CA202018 A CA 202018A CA 1026374 A CA1026374 A CA 1026374A
- Authority
- CA
- Canada
- Prior art keywords
- heat recovery
- improved heat
- ammonium carbamate
- urea synthesis
- carbamate recirculation
- 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 title 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US369756A US3886210A (en) | 1970-06-29 | 1973-06-13 | Urea synthesis with improved heat recovery and ammonium carbamate recirculation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1026374A true CA1026374A (en) | 1978-02-14 |
Family
ID=23456789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA202,018A Expired CA1026374A (en) | 1973-06-13 | 1974-06-10 | Urea synthesis with improved heat recovery and ammonium carbamate recirculation |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS585189B2 (de) |
| AR (1) | AR200786A1 (de) |
| BE (1) | BE816142A (de) |
| BR (1) | BR7404845D0 (de) |
| CA (1) | CA1026374A (de) |
| DE (1) | DE2425581A1 (de) |
| ES (1) | ES426986A1 (de) |
| FR (2) | FR2244755B1 (de) |
| GB (1) | GB1423977A (de) |
| IN (1) | IN140206B (de) |
| IT (1) | IT1015048B (de) |
| NL (1) | NL182219C (de) |
| TR (1) | TR18243A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11976895B2 (en) | 2019-03-18 | 2024-05-07 | Mitsubishi Electric Corporation | Plate heat exchanger and heat pump apparatus including the same |
| KR102942939B1 (ko) * | 2020-03-04 | 2026-03-23 | 엘지전자 주식회사 | 판형 열교환기 |
| KR102954073B1 (ko) * | 2023-02-20 | 2026-04-17 | 엘지전자 주식회사 | 판형 열교환기 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5189A (en) * | 1974-06-20 | 1976-01-05 | Sakuhei Fujita | Magaripaipuniokeru anaakehoho |
-
1974
- 1974-05-08 IN IN1025/CAL/74A patent/IN140206B/en unknown
- 1974-05-14 GB GB2138474A patent/GB1423977A/en not_active Expired
- 1974-05-27 DE DE19742425581 patent/DE2425581A1/de active Pending
- 1974-06-04 TR TR18243A patent/TR18243A/xx unknown
- 1974-06-05 ES ES426986A patent/ES426986A1/es not_active Expired
- 1974-06-05 AR AR254068A patent/AR200786A1/es active
- 1974-06-10 CA CA202,018A patent/CA1026374A/en not_active Expired
- 1974-06-10 BE BE145264A patent/BE816142A/xx unknown
- 1974-06-12 FR FR7420858A patent/FR2244755B1/fr not_active Expired
- 1974-06-12 JP JP49066136A patent/JPS585189B2/ja not_active Expired
- 1974-06-12 IT IT23954/74A patent/IT1015048B/it active
- 1974-06-12 BR BR4845/74A patent/BR7404845D0/pt unknown
- 1974-06-12 NL NLAANVRAGE7407873,A patent/NL182219C/xx not_active IP Right Cessation
-
1975
- 1975-02-19 FR FR7505586A patent/FR2272984B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR200786A1 (es) | 1974-12-13 |
| FR2244755A1 (de) | 1975-04-18 |
| JPS5035115A (de) | 1975-04-03 |
| IN140206B (de) | 1976-09-25 |
| NL182219B (nl) | 1987-09-01 |
| FR2272984A1 (de) | 1975-12-26 |
| ES426986A1 (es) | 1976-09-01 |
| JPS585189B2 (ja) | 1983-01-29 |
| FR2272984B1 (de) | 1979-07-13 |
| BR7404845D0 (pt) | 1975-09-30 |
| NL7407873A (de) | 1974-12-17 |
| TR18243A (tr) | 1976-11-10 |
| FR2244755B1 (de) | 1977-10-07 |
| IT1015048B (it) | 1977-05-10 |
| GB1423977A (en) | 1976-02-04 |
| NL182219C (nl) | 1988-02-01 |
| DE2425581A1 (de) | 1975-01-09 |
| BE816142A (fr) | 1974-12-10 |
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