IT1067001B - Procedimento per il ricupero di sostanze non reagite e del calore nella sintesi dell'urea - Google Patents
Procedimento per il ricupero di sostanze non reagite e del calore nella sintesi dell'ureaInfo
- Publication number
- IT1067001B IT1067001B IT30108/76A IT3010876A IT1067001B IT 1067001 B IT1067001 B IT 1067001B IT 30108/76 A IT30108/76 A IT 30108/76A IT 3010876 A IT3010876 A IT 3010876A IT 1067001 B IT1067001 B IT 1067001B
- Authority
- IT
- Italy
- Prior art keywords
- urea
- recovery
- procedure
- heat
- non reacted
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 239000000126 substance Substances 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 |
|---|---|---|---|
| JP50143858A JPS5268129A (en) | 1975-12-05 | 1975-12-05 | Recovery of unreacted material and heat on urea synthesis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1067001B true IT1067001B (it) | 1985-03-12 |
Family
ID=15348596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT30108/76A IT1067001B (it) | 1975-12-05 | 1976-12-03 | Procedimento per il ricupero di sostanze non reagite e del calore nella sintesi dell'urea |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4053507A (it) |
| JP (1) | JPS5268129A (it) |
| AU (1) | AU507641B2 (it) |
| BR (1) | BR7607914A (it) |
| CA (1) | CA1060472A (it) |
| DE (1) | DE2654883A1 (it) |
| EG (1) | EG12147A (it) |
| FR (1) | FR2333780A1 (it) |
| GB (1) | GB1505445A (it) |
| IN (1) | IN145619B (it) |
| IT (1) | IT1067001B (it) |
| NL (1) | NL7613516A (it) |
| NO (1) | NO150480C (it) |
| PH (1) | PH13556A (it) |
| PT (1) | PT65903B (it) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| US4256662A (en) * | 1980-01-18 | 1981-03-17 | Gorlovsky David M | Process for producing urea |
| 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 |
| NL8100989A (nl) * | 1981-02-28 | 1982-09-16 | Unie Van Kunstmestfab Bv | Werkwijze voor het verwijderen van ureum, ammoniak en kooldioxide uit verdunde waterige oplossingen. |
| NL8102391A (nl) * | 1981-05-15 | 1982-12-01 | Unie Van Kunstmestfab Bv | Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding. |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8400840A (nl) * | 1984-03-16 | 1985-10-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| WO2008106318A1 (en) * | 2007-02-28 | 2008-09-04 | Albemarle Corporation | Processes for oxidizing hydrogen bromide to produce elemental bromine |
| CN101963470B (zh) * | 2010-10-27 | 2012-09-26 | 河南心连心化肥有限公司 | 尿素中压生产系统热能利用装置 |
| US8631660B2 (en) * | 2011-03-23 | 2014-01-21 | General Electric Company | Integrated gasification combined cycle system with vapor absorption chilling |
| US9677817B1 (en) | 2012-02-29 | 2017-06-13 | The United States Of America As Represented By The Secretary Of The Air Force | Method for thermal management through use of ammonium carbamate |
| CN103435517B (zh) * | 2013-07-31 | 2016-03-02 | 北京众联盛化工工程有限公司 | 一种二氧化碳汽提尿素的增产节能方法及其设备 |
| CN103408467B (zh) * | 2013-08-08 | 2015-02-18 | 中国五环工程有限公司 | 低能耗co2汽提法尿素工艺及系统 |
| US10759745B2 (en) * | 2017-11-10 | 2020-09-01 | Stamicarbon B.V. | Urea production process and plant |
| JP7088770B2 (ja) * | 2018-07-26 | 2022-06-21 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
| JP7157684B2 (ja) | 2019-03-14 | 2022-10-20 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
| CN112755770A (zh) * | 2020-12-28 | 2021-05-07 | 山东久日化学科技有限公司 | 一种合成detx的尾气吸收循环利用装置及其工艺 |
| CN113416154B (zh) * | 2021-07-30 | 2023-01-17 | 新疆心连心能源化工有限公司 | 尿素合成未反应物循环回收方法及装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3232983A (en) * | 1960-01-08 | 1966-02-01 | Pullman Inc | Urea synthesis |
| GB1148991A (en) * | 1966-10-14 | 1969-04-16 | Toyo Koatsu Ind Inc | Process for synthesising urea |
| US3573173A (en) * | 1968-07-24 | 1971-03-30 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia |
| US3636106A (en) * | 1968-09-12 | 1972-01-18 | Chemical Construction Corp | Process for urea synthesis |
| JPS4919259B1 (it) * | 1969-08-30 | 1974-05-16 | ||
| JPS5535378B2 (it) * | 1973-02-14 | 1980-09-12 | ||
| JPS555977B2 (it) * | 1974-05-14 | 1980-02-12 | ||
| AR206244A1 (es) * | 1975-05-06 | 1976-07-07 | Mitsui Toatsu Chemicals | Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea |
-
1975
- 1975-12-05 JP JP50143858A patent/JPS5268129A/ja active Granted
-
1976
- 1976-10-14 IN IN1880/CAL/76A patent/IN145619B/en unknown
- 1976-11-25 BR BR7607914A patent/BR7607914A/pt unknown
- 1976-11-28 EG EG74/76A patent/EG12147A/xx active
- 1976-11-30 PT PT65903A patent/PT65903B/pt unknown
- 1976-12-01 GB GB50152/76A patent/GB1505445A/en not_active Expired
- 1976-12-02 AU AU20222/76A patent/AU507641B2/en not_active Expired
- 1976-12-02 US US05/746,893 patent/US4053507A/en not_active Expired - Lifetime
- 1976-12-02 NO NO764111A patent/NO150480C/no unknown
- 1976-12-03 CA CA267,135A patent/CA1060472A/en not_active Expired
- 1976-12-03 NL NL7613516A patent/NL7613516A/xx not_active Application Discontinuation
- 1976-12-03 PH PH19199A patent/PH13556A/en unknown
- 1976-12-03 IT IT30108/76A patent/IT1067001B/it active
- 1976-12-03 DE DE19762654883 patent/DE2654883A1/de active Granted
- 1976-12-06 FR FR7636688A patent/FR2333780A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EG12147A (en) | 1978-06-30 |
| CA1060472A (en) | 1979-08-14 |
| NO764111L (it) | 1977-06-07 |
| JPS5268129A (en) | 1977-06-06 |
| NO150480C (no) | 1984-10-24 |
| NO150480B (no) | 1984-07-16 |
| JPS5545071B2 (it) | 1980-11-15 |
| US4053507A (en) | 1977-10-11 |
| FR2333780B1 (it) | 1980-03-07 |
| PT65903B (en) | 1978-05-23 |
| BR7607914A (pt) | 1977-11-08 |
| AU2022276A (en) | 1978-06-08 |
| NL7613516A (nl) | 1977-06-07 |
| DE2654883C2 (it) | 1987-10-01 |
| PT65903A (en) | 1976-12-01 |
| AU507641B2 (en) | 1980-02-21 |
| DE2654883A1 (de) | 1977-06-16 |
| GB1505445A (en) | 1978-03-30 |
| PH13556A (en) | 1980-06-26 |
| FR2333780A1 (fr) | 1977-07-01 |
| IN145619B (it) | 1978-11-25 |
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