FR2099882A5 - Anhydrous molten urea prodn - by a 2-stage process - Google Patents

Anhydrous molten urea prodn - by a 2-stage process

Info

Publication number
FR2099882A5
FR2099882A5 FR7123006A FR7123006A FR2099882A5 FR 2099882 A5 FR2099882 A5 FR 2099882A5 FR 7123006 A FR7123006 A FR 7123006A FR 7123006 A FR7123006 A FR 7123006A FR 2099882 A5 FR2099882 A5 FR 2099882A5
Authority
FR
France
Prior art keywords
prodn
stage process
molten urea
anhydrous molten
urea
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.)
Expired
Application number
FR7123006A
Other languages
English (en)
French (fr)
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.)
Mitsui Toatsu Chemicals Inc
Toyo Engineering Corp
Original Assignee
Mitsui Toatsu Chemicals Inc
Toyo Engineering Corp
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 Mitsui Toatsu Chemicals Inc, Toyo Engineering Corp filed Critical Mitsui Toatsu Chemicals Inc
Application granted granted Critical
Publication of FR2099882A5 publication Critical patent/FR2099882A5/fr
Expired legal-status Critical Current

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
    • C07C273/14—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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Fertilizers (AREA)
FR7123006A 1970-07-01 1971-06-24 Anhydrous molten urea prodn - by a 2-stage process Expired FR2099882A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45057413A JPS4916847B1 (enrdf_load_stackoverflow) 1970-07-01 1970-07-01

Publications (1)

Publication Number Publication Date
FR2099882A5 true FR2099882A5 (en) 1972-03-17

Family

ID=13054945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7123006A Expired FR2099882A5 (en) 1970-07-01 1971-06-24 Anhydrous molten urea prodn - by a 2-stage process

Country Status (4)

Country Link
JP (1) JPS4916847B1 (enrdf_load_stackoverflow)
FR (1) FR2099882A5 (enrdf_load_stackoverflow)
NL (1) NL152546B (enrdf_load_stackoverflow)
SU (1) SU422140A3 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110559930B (zh) * 2019-09-16 2021-11-30 山东益丰生化环保股份有限公司 一种车用尿素溶液及其制备方法

Also Published As

Publication number Publication date
NL152546B (nl) 1977-03-15
JPS4916847B1 (enrdf_load_stackoverflow) 1974-04-25
SU422140A3 (enrdf_load_stackoverflow) 1974-03-30
NL7109106A (enrdf_load_stackoverflow) 1972-01-04

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Legal Events

Date Code Title Description
ST Notification of lapse