CN104159888B - 在汽提塔底部合成含有钝化流的尿素的方法 - Google Patents

在汽提塔底部合成含有钝化流的尿素的方法 Download PDF

Info

Publication number
CN104159888B
CN104159888B CN201380013361.3A CN201380013361A CN104159888B CN 104159888 B CN104159888 B CN 104159888B CN 201380013361 A CN201380013361 A CN 201380013361A CN 104159888 B CN104159888 B CN 104159888B
Authority
CN
China
Prior art keywords
reactor
pressure
stripper
liquid
mixture
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.)
Active
Application number
CN201380013361.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN104159888A (zh
Inventor
利诺·卡莱西
亚历山德罗·贾纳扎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saipem SpA
Original Assignee
Saipem SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45571700&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CN104159888(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Saipem SpA filed Critical Saipem SpA
Publication of CN104159888A publication Critical patent/CN104159888A/zh
Application granted granted Critical
Publication of CN104159888B publication Critical patent/CN104159888B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CN201380013361.3A 2012-01-09 2013-01-09 在汽提塔底部合成含有钝化流的尿素的方法 Active CN104159888B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI2012A000013 2012-01-09
IT000013A ITMI20120013A1 (it) 2012-01-09 2012-01-09 Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
PCT/EP2013/050247 WO2013104638A1 (en) 2012-01-09 2013-01-09 Process for the synthesis of urea comprising a passivation stream at the stripper bottom

Publications (2)

Publication Number Publication Date
CN104159888A CN104159888A (zh) 2014-11-19
CN104159888B true CN104159888B (zh) 2017-03-22

Family

ID=45571700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380013361.3A Active CN104159888B (zh) 2012-01-09 2013-01-09 在汽提塔底部合成含有钝化流的尿素的方法

Country Status (12)

Country Link
US (1) US9199926B2 (enExample)
EP (1) EP2802559B1 (enExample)
CN (1) CN104159888B (enExample)
AR (1) AR089688A1 (enExample)
CA (1) CA2860715C (enExample)
IN (1) IN2014DN05948A (enExample)
IT (1) ITMI20120013A1 (enExample)
MX (1) MX368955B (enExample)
MY (1) MY162976A (enExample)
RU (1) RU2617407C2 (enExample)
UA (1) UA112214C2 (enExample)
WO (1) WO2013104638A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1395383B1 (it) * 2009-09-09 2012-09-14 Saipem Spa Metodo di separazione di ammoniaca e diossido di carbonio da soluzioni acquose
EP2801396A1 (en) * 2013-05-10 2014-11-12 Casale Sa Use of duplex stainless steel in an ammonia-stripping of urea plants
EP3178535A1 (en) * 2015-12-11 2017-06-14 Casale SA A urea process with high-temperature stripping
EP3436430B1 (en) 2016-03-30 2020-09-16 Stamicarbon B.V. Urea production with bi-pressurized synthesis
EP3656759A1 (en) 2018-11-22 2020-05-27 Casale Sa A process for the synthesis of urea
CA3166402C (en) 2019-12-30 2023-08-15 Stamicarbon B.V. Ammonia removal from urea finishing
US11814340B2 (en) 2020-06-23 2023-11-14 Stamicarbon B.V. Thermal stripping urea plant and process
JP2023108791A (ja) * 2022-01-26 2023-08-07 東洋エンジニアリング株式会社 尿素合成方法
WO2024172703A1 (ru) * 2023-02-16 2024-08-22 Акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (АО "НИИК") Способ и установка для получения карбамида

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306614A2 (en) * 1987-05-15 1989-03-15 Ammonia Casale S.A. Improvements of processes and plants for the production of urea
US6150555A (en) * 1992-05-08 2000-11-21 Urea Casale, S.A. Process for urea production
CN1376668A (zh) * 2001-03-23 2002-10-30 中国寰球化学工程公司 一种全循环尿素生产方法
CN1463964A (zh) * 2002-06-21 2003-12-31 中国寰球工程公司 水溶液全循环尿素高压系统节能增产新工艺
CN101679224A (zh) * 2007-05-22 2010-03-24 塞彭公司 用于尿素合成的增强的方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE527914A (enExample) 1953-04-15
GR33978B (el) 1966-07-27 1968-02-29 Snam Progetti S.P.A. Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν.
AT290545B (de) 1967-09-29 1971-06-11 Snam Progetti Verfahren zur Herstellung von Harnstoff mit niedrigem Carbamatgehalt
US3876696A (en) 1968-09-03 1975-04-08 Snam Progetti Process for the production of urea having a low carbamate content
US4092358A (en) 1968-09-03 1978-05-30 Snamprogetti S.P.A. Process for the production of urea having a low carbamate content
GB1292515A (en) 1969-04-04 1972-10-11 Snam Progetti Process for producing urea
US3984469A (en) 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
US4137262A (en) 1969-10-16 1979-01-30 Snam Progetti S.P.A. Process for the production of urea
NL164328C (nl) 1970-04-02 1980-12-15 Stamicarbon Werkwijze voor het verhogen van de weerstand tegen cor- rosie van austenitische chroom-nikkelstalen, alsmede werkwijze voor de bereiding van ureum in apperatuur waarvan de weerstand tegen corrosie aldus is verhoogd.
EG10651A (en) * 1970-04-02 1977-10-31 Snam Progetti Process for prevention reactors corrosion during production of urea
IT1068268B (it) 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
NL174548C (nl) 1977-05-05 1988-05-16 Montedison Spa Werkwijze voor het bereiden van ureum door reaktie van ammoniak en kooldioxyde.
IT1141030B (it) 1980-08-29 1986-10-01 Snam Progetti Procedimento per la produzione di urea
JPS5750954A (en) 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea
NL8502227A (nl) 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1251524B (it) 1991-03-18 1995-05-16 Vincenzo Lagana Metodo per la passivazione delle superfici metalliche interessate da condizioni e agenti promotori di corrosione
IT1245396B (it) * 1991-03-22 1994-09-20 Snam Progetti Procedimento per la produzione di urea ad elevata efficienza energetica
IT1274362B (it) 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
US5597454A (en) * 1995-04-06 1997-01-28 Lee; Jing M. Process for producing urea
IT1290423B1 (it) 1996-10-17 1998-12-03 Eurotecnica Contractors And En Procedimento per la sintesi di urea da anidride carbonica e ammoniaca
ITMI20110804A1 (it) * 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0306614A2 (en) * 1987-05-15 1989-03-15 Ammonia Casale S.A. Improvements of processes and plants for the production of urea
US6150555A (en) * 1992-05-08 2000-11-21 Urea Casale, S.A. Process for urea production
CN1376668A (zh) * 2001-03-23 2002-10-30 中国寰球化学工程公司 一种全循环尿素生产方法
CN1463964A (zh) * 2002-06-21 2003-12-31 中国寰球工程公司 水溶液全循环尿素高压系统节能增产新工艺
CN101679224A (zh) * 2007-05-22 2010-03-24 塞彭公司 用于尿素合成的增强的方法

Also Published As

Publication number Publication date
EP2802559A1 (en) 2014-11-19
CA2860715A1 (en) 2013-07-18
AR089688A1 (es) 2014-09-10
RU2617407C2 (ru) 2017-04-25
CN104159888A (zh) 2014-11-19
MX2014008371A (es) 2015-05-15
EP2802559B1 (en) 2016-03-30
RU2014132872A (ru) 2016-02-27
MY162976A (en) 2017-07-31
UA112214C2 (uk) 2016-08-10
US9199926B2 (en) 2015-12-01
CA2860715C (en) 2020-04-07
MX368955B (es) 2019-10-23
IN2014DN05948A (enExample) 2015-06-26
ITMI20120013A1 (it) 2013-07-10
US20150025273A1 (en) 2015-01-22
WO2013104638A1 (en) 2013-07-18

Similar Documents

Publication Publication Date Title
CN104159888B (zh) 在汽提塔底部合成含有钝化流的尿素的方法
US8106241B2 (en) Enhanced process for the synthesis of urea
CN113195449B (zh) 在低压回收段具有热整合的尿素生产方法和装置
CN115916745B (zh) 热汽提尿素装置和方法
CN109153638B (zh) 尿素生产中控制缩二脲
CN109070043B (zh) 在控制缩二脲的情况下的尿素生产
US8927770B2 (en) High-yield process for the synthesis of urea
CN102596390B (zh) 分解尿素合成过程中尿素溶液中未转化的氨基甲酸铵的装置
US9512069B2 (en) Urea synthesis process and plant
US8829240B2 (en) Process for the production of urea from ammonia and carbon dioxide
CN1840523B (zh) 尿素制备方法及相关设备
CN106588672B (zh) 二异丙基乙胺的生产方法
AU2009249691B2 (en) Process for the production of urea from ammonia and carbon dioxide
CN117460715A (zh) 利用三重mp流的尿素生产
WO2008100170A1 (en) Methanol producing method and a plant for carrying out said method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant