NL8304211A - Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing. - Google Patents

Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing. Download PDF

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Publication number
NL8304211A
NL8304211A NL8304211A NL8304211A NL8304211A NL 8304211 A NL8304211 A NL 8304211A NL 8304211 A NL8304211 A NL 8304211A NL 8304211 A NL8304211 A NL 8304211A NL 8304211 A NL8304211 A NL 8304211A
Authority
NL
Netherlands
Prior art keywords
urea
pressure
bar
urea solution
solution
Prior art date
Application number
NL8304211A
Other languages
English (en)
Dutch (nl)
Original Assignee
Unie Van Kunstmestfab Bv
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=19842845&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL8304211(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Priority to NL8304211A priority Critical patent/NL8304211A/nl
Priority to DE8484114748T priority patent/DE3469356D1/de
Priority to AT84114748T priority patent/ATE32510T1/de
Priority to EP84114748A priority patent/EP0144964B1/en
Priority to IN955/MAS/84A priority patent/IN163016B/en
Priority to SU843823256A priority patent/SU1428192A3/ru
Priority to CA000469491A priority patent/CA1244052A/en
Priority to JP59257728A priority patent/JPS60185756A/ja
Publication of NL8304211A publication Critical patent/NL8304211A/nl

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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
    • C07C273/14—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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NL8304211A 1983-12-07 1983-12-07 Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing. NL8304211A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL8304211A NL8304211A (nl) 1983-12-07 1983-12-07 Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing.
DE8484114748T DE3469356D1 (en) 1983-12-07 1984-12-04 Process for concentrating an already concentrated urea solution to form a practically anhydrous melt
AT84114748T ATE32510T1 (de) 1983-12-07 1984-12-04 Verfahren zur verdichtung von schon konzentrierten harnstoffloesungen zu einer praktisch wasserfreien schmelze.
EP84114748A EP0144964B1 (en) 1983-12-07 1984-12-04 Process for concentrating an already concentrated urea solution to form a practically anhydrous melt
IN955/MAS/84A IN163016B (enExample) 1983-12-07 1984-12-05
SU843823256A SU1428192A3 (ru) 1983-12-07 1984-12-06 Способ концентрировани частично сконцентрированного раствора мочевины
CA000469491A CA1244052A (en) 1983-12-07 1984-12-06 Process for concentrating an already concentrated urea solution to form a practically anhydrous melt
JP59257728A JPS60185756A (ja) 1983-12-07 1984-12-07 部分濃縮した尿素溶液を濃縮する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8304211 1983-12-07
NL8304211A NL8304211A (nl) 1983-12-07 1983-12-07 Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing.

Publications (1)

Publication Number Publication Date
NL8304211A true NL8304211A (nl) 1985-07-01

Family

ID=19842845

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8304211A NL8304211A (nl) 1983-12-07 1983-12-07 Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing.

Country Status (8)

Country Link
EP (1) EP0144964B1 (enExample)
JP (1) JPS60185756A (enExample)
AT (1) ATE32510T1 (enExample)
CA (1) CA1244052A (enExample)
DE (1) DE3469356D1 (enExample)
IN (1) IN163016B (enExample)
NL (1) NL8304211A (enExample)
SU (1) SU1428192A3 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302213A1 (en) * 1987-08-04 1989-02-08 Ammonia Casale S.A. Process for the recovery of urea entrained by vapours in vacuum concentration systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1184991A (fr) * 1956-10-26 1959-07-28 Stamicarbon Procédé pour concentrer des solutions d'urée en une masse sensiblement exempte d'eau
ES238105A1 (es) * 1956-10-26 1958-04-01 Stamicarbon UN PROCEDIMIENTO PARA LA PRODUCCIoN DE UREA SUSTANCIALMENTE ANHIDRA

Also Published As

Publication number Publication date
JPS60185756A (ja) 1985-09-21
CA1244052A (en) 1988-11-01
IN163016B (enExample) 1988-07-30
ATE32510T1 (de) 1988-03-15
SU1428192A3 (ru) 1988-09-30
DE3469356D1 (en) 1988-03-24
EP0144964B1 (en) 1988-02-17
EP0144964A3 (en) 1985-07-17
EP0144964A2 (en) 1985-06-19

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