NL8800259A - Werkwijze voor het concentreren van een ureumoplossing. - Google Patents

Werkwijze voor het concentreren van een ureumoplossing. Download PDF

Info

Publication number
NL8800259A
NL8800259A NL8800259A NL8800259A NL8800259A NL 8800259 A NL8800259 A NL 8800259A NL 8800259 A NL8800259 A NL 8800259A NL 8800259 A NL8800259 A NL 8800259A NL 8800259 A NL8800259 A NL 8800259A
Authority
NL
Netherlands
Prior art keywords
urea
solution
pressure
gas mixture
condensation
Prior art date
Application number
NL8800259A
Other languages
English (en)
Dutch (nl)
Original Assignee
Stamicarbon
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
Application filed by Stamicarbon filed Critical Stamicarbon
Priority to NL8800259A priority Critical patent/NL8800259A/nl
Priority to EP89200209A priority patent/EP0329214A1/de
Priority to DD89325463A priority patent/DD278781A5/de
Priority to CN89100715A priority patent/CN1035110A/zh
Priority to TNTNSN89011A priority patent/TNSN89011A1/fr
Priority to ZA89866A priority patent/ZA89866B/xx
Priority to NO89890458A priority patent/NO890458L/no
Priority to AU29616/89A priority patent/AU2961689A/en
Priority to HU89549A priority patent/HUT49567A/hu
Priority to BR898900498A priority patent/BR8900498A/pt
Priority to IE890344A priority patent/IE890344L/xx
Publication of NL8800259A publication Critical patent/NL8800259A/nl

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
    • 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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)
NL8800259A 1988-02-04 1988-02-04 Werkwijze voor het concentreren van een ureumoplossing. NL8800259A (nl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NL8800259A NL8800259A (nl) 1988-02-04 1988-02-04 Werkwijze voor het concentreren van een ureumoplossing.
EP89200209A EP0329214A1 (de) 1988-02-04 1989-02-01 Verfahren zur Konzentrierung einer Ureumlösung
DD89325463A DD278781A5 (de) 1988-02-04 1989-02-02 Verfahren zum konzentrieren einer harnstoffloesung
CN89100715A CN1035110A (zh) 1988-02-04 1989-02-02 浓缩尿素溶液的方法
TNTNSN89011A TNSN89011A1 (fr) 1988-02-04 1989-02-03 Procede de concentration d'une solution d'uree o. dsm
ZA89866A ZA89866B (en) 1988-02-04 1989-02-03 Process for concentrating a urea solution
NO89890458A NO890458L (no) 1988-02-04 1989-02-03 Fremgangsmaate for konsentrering av en urea-opploesning.
AU29616/89A AU2961689A (en) 1988-02-04 1989-02-03 Process for concentrating a urea solution
HU89549A HUT49567A (en) 1988-02-04 1989-02-03 Process for concentrating urea-solution
BR898900498A BR8900498A (pt) 1988-02-04 1989-02-03 Processo para concentrar uma solucao de ureia bem como solucao de ureia assim obtida
IE890344A IE890344L (en) 1988-02-04 1989-02-03 Concentrating a urea solution

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8800259A NL8800259A (nl) 1988-02-04 1988-02-04 Werkwijze voor het concentreren van een ureumoplossing.
NL8800259 1988-02-04

Publications (1)

Publication Number Publication Date
NL8800259A true NL8800259A (nl) 1989-09-01

Family

ID=19851706

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8800259A NL8800259A (nl) 1988-02-04 1988-02-04 Werkwijze voor het concentreren van een ureumoplossing.

Country Status (11)

Country Link
EP (1) EP0329214A1 (de)
CN (1) CN1035110A (de)
AU (1) AU2961689A (de)
BR (1) BR8900498A (de)
DD (1) DD278781A5 (de)
HU (1) HUT49567A (de)
IE (1) IE890344L (de)
NL (1) NL8800259A (de)
NO (1) NO890458L (de)
TN (1) TNSN89011A1 (de)
ZA (1) ZA89866B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH679485A5 (de) * 1989-12-29 1992-02-28 Ammonia Casale Sa
CN1034282C (zh) * 1993-03-13 1997-03-19 潘宏纯 固体润滑剂
NL1003923C2 (nl) 1996-08-30 1998-03-04 Dsm Nv Werkwijze voor de bereiding van ureum.
JP4358428B2 (ja) 2000-11-01 2009-11-04 東洋エンジニアリング株式会社 尿素製造方法
EP3452212B1 (de) 2016-05-03 2020-02-12 Stamicarbon B.V. Herstellung von harnstoff mit kontrolliertem biuret
WO2019122297A1 (en) * 2017-12-21 2019-06-27 Yara International Asa Systems and methods for removing water from fertilizers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8201652A (nl) * 1982-04-21 1983-11-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8303888A (nl) * 1983-11-13 1985-06-03 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.
NL8602770A (nl) * 1986-11-03 1988-06-01 Stamicarbon Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
AU2961689A (en) 1989-08-10
NO890458L (no) 1989-08-07
HUT49567A (en) 1989-10-30
BR8900498A (pt) 1989-10-03
ZA89866B (en) 1989-10-25
CN1035110A (zh) 1989-08-30
NO890458D0 (no) 1989-02-03
IE890344L (en) 1989-08-04
DD278781A5 (de) 1990-05-16
EP0329214A1 (de) 1989-08-23
TNSN89011A1 (fr) 1991-02-04

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A1B A search report has been drawn up
BV The patent application has lapsed