NL1004977C2 - Methode om de capaciteit van een bestaand ureum proces te verhogen. - Google Patents

Methode om de capaciteit van een bestaand ureum proces te verhogen.

Info

Publication number
NL1004977C2
NL1004977C2 NL1004977A NL1004977A NL1004977C2 NL 1004977 C2 NL1004977 C2 NL 1004977C2 NL 1004977 A NL1004977 A NL 1004977A NL 1004977 A NL1004977 A NL 1004977A NL 1004977 C2 NL1004977 C2 NL 1004977C2
Authority
NL
Netherlands
Prior art keywords
condenser
urea
mixture
pressure
ammonia
Prior art date
Application number
NL1004977A
Other languages
English (en)
Dutch (nl)
Inventor
Kees Jonckers
Hendrik Frans Perree
Original Assignee
Dsm Nv
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=19764196&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL1004977(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dsm Nv filed Critical Dsm Nv
Priority to NL1004977A priority Critical patent/NL1004977C2/nl
Priority to US09/005,224 priority patent/US6118023A/en
Priority to CN98105601A priority patent/CN1078205C/zh
Priority to EA199800056A priority patent/EA000354B1/ru
Priority to UA98010140A priority patent/UA67718C2/uk
Priority to CA002553388A priority patent/CA2553388C/en
Priority to CA002226771A priority patent/CA2226771C/en
Application granted granted Critical
Publication of NL1004977C2 publication Critical patent/NL1004977C2/nl

Links

Classifications

    • 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
    • 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
    • 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
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL1004977A 1997-01-13 1997-01-13 Methode om de capaciteit van een bestaand ureum proces te verhogen. NL1004977C2 (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL1004977A NL1004977C2 (nl) 1997-01-13 1997-01-13 Methode om de capaciteit van een bestaand ureum proces te verhogen.
US09/005,224 US6118023A (en) 1997-01-13 1998-01-09 Method for increasing the capacity of an existing urea process
CN98105601A CN1078205C (zh) 1997-01-13 1998-01-12 提高现有尿素生产方法的生产能力的方法
EA199800056A EA000354B1 (ru) 1997-01-13 1998-01-12 Способ получения мочевины
UA98010140A UA67718C2 (uk) 1997-01-13 1998-01-12 Спосіб одержання сечовини, конденсатор та установка для здійснення цього способу
CA002553388A CA2553388C (en) 1997-01-13 1998-01-13 Method for increasing the capacity of an existing urea process
CA002226771A CA2226771C (en) 1997-01-13 1998-01-13 Method for increasing the capacity of an existing urea process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1004977A NL1004977C2 (nl) 1997-01-13 1997-01-13 Methode om de capaciteit van een bestaand ureum proces te verhogen.
NL1004977 1997-01-13

Publications (1)

Publication Number Publication Date
NL1004977C2 true NL1004977C2 (nl) 1998-07-15

Family

ID=19764196

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1004977A NL1004977C2 (nl) 1997-01-13 1997-01-13 Methode om de capaciteit van een bestaand ureum proces te verhogen.

Country Status (6)

Country Link
US (1) US6118023A (zh)
CN (1) CN1078205C (zh)
CA (2) CA2226771C (zh)
EA (1) EA000354B1 (zh)
NL (1) NL1004977C2 (zh)
UA (1) UA67718C2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1036787A1 (en) * 1999-03-16 2000-09-20 Urea Casale S.A. Method for modernizing a urea production plant

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60133894D1 (de) * 2000-06-15 2008-06-19 Urea Casale Sa Verfahren und vorrichtung zur herstellung von harnstoff
NL1017990C2 (nl) * 2001-05-03 2002-11-05 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1026607C2 (nl) * 2004-07-07 2006-01-10 Dsm Ip Assets Bv Werkwijze voor de bereiding van ureum.
NL1027697C2 (nl) * 2004-12-09 2006-06-12 Dsm Ip Assets Bv Werkwijze voor het verhogen van de capaciteit van een bestaand ureumproces.
EP2107051A1 (en) * 2008-04-02 2009-10-07 DSM IP Assets B.V. Process for inreasing the capacity of an existing urea plant
WO2014104893A1 (en) * 2012-12-28 2014-07-03 Stamicarbon B.V. Urea plant revamping method
CN107179007B (zh) * 2017-06-19 2023-06-02 大唐东北电力试验研究所有限公司 一种火电厂抽真空氨液回收系统及方法
EP3700888B1 (en) 2017-10-27 2021-12-22 Stamicarbon B.V. High pressure carbamate condenser

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356723A (en) * 1960-04-08 1967-12-05 Stamicarbon Preparation of urea
US3936500A (en) * 1972-06-12 1976-02-03 Unie Van Kunstmestfabrieken, B.V. Process for preparing urea
NL8400839A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356723A (en) * 1960-04-08 1967-12-05 Stamicarbon Preparation of urea
US3936500A (en) * 1972-06-12 1976-02-03 Unie Van Kunstmestfabrieken, B.V. Process for preparing urea
NL8400839A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ANON.: "DSM carbon dioxide stripping process", EUROPEAN CHEMICAL NEWS - UREA SUPPLEMENT, 17 January 1969 (1969-01-17), pages 17,19/20, XP000560082 *
KIRK-OTHMER: "Encyclopedia of Chemical Technology, 3rd edition, vol. 23", 1989, JOHN WILEY & SONS, NEW YORK, US, XP002039270 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1036787A1 (en) * 1999-03-16 2000-09-20 Urea Casale S.A. Method for modernizing a urea production plant
US6284922B1 (en) 1999-03-16 2001-09-04 Ureacasale S.A. Method for modernizing a urea production plant
US6702992B2 (en) 1999-03-16 2004-03-09 Urea Casale S.A. Method for modernizing a urea production plant

Also Published As

Publication number Publication date
CN1192435A (zh) 1998-09-09
CA2553388C (en) 2008-11-18
EA000354B1 (ru) 1999-04-29
UA67718C2 (uk) 2004-07-15
CN1078205C (zh) 2002-01-23
CA2226771C (en) 2007-03-13
CA2553388A1 (en) 1998-07-13
CA2226771A1 (en) 1998-07-13
EA199800056A1 (ru) 1998-08-27
US6118023A (en) 2000-09-12

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Legal Events

Date Code Title Description
PD2B A search report has been drawn up
SD Assignments of patents

Owner name: DSM IP ASSETS B.V.

Effective date: 20050915

TD Modifications of names of proprietors of patents

Owner name: KONINKLIJKE DSM N.V.

Effective date: 20050915

SD Assignments of patents

Effective date: 20100831

MM Lapsed because of non-payment of the annual fee

Effective date: 20160201