CH456569A - Process for the separation and recycling of starting gases not converted in the synthesis of urea from ammonia and carbon dioxide into the synthesis reactor - Google Patents

Process for the separation and recycling of starting gases not converted in the synthesis of urea from ammonia and carbon dioxide into the synthesis reactor

Info

Publication number
CH456569A
CH456569A CH1427665A CH1427665A CH456569A CH 456569 A CH456569 A CH 456569A CH 1427665 A CH1427665 A CH 1427665A CH 1427665 A CH1427665 A CH 1427665A CH 456569 A CH456569 A CH 456569A
Authority
CH
Switzerland
Prior art keywords
synthesis
recycling
urea
ammonia
separation
Prior art date
Application number
CH1427665A
Other languages
German (de)
Inventor
Ledergerber Anton
Chen Lung-Pao
Original Assignee
Inventa Ag
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 Inventa Ag filed Critical Inventa Ag
Priority to CH1427665A priority Critical patent/CH456569A/en
Priority to DE19661568879 priority patent/DE1568879A1/en
Priority to ES0332202A priority patent/ES332202A1/en
Priority to FR80110A priority patent/FR1496664A/en
Priority to NL6614496A priority patent/NL6614496A/xx
Publication of CH456569A publication Critical patent/CH456569A/en

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
    • 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)
CH1427665A 1965-10-15 1965-10-15 Process for the separation and recycling of starting gases not converted in the synthesis of urea from ammonia and carbon dioxide into the synthesis reactor CH456569A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH1427665A CH456569A (en) 1965-10-15 1965-10-15 Process for the separation and recycling of starting gases not converted in the synthesis of urea from ammonia and carbon dioxide into the synthesis reactor
DE19661568879 DE1568879A1 (en) 1965-10-15 1966-09-30 Process for the separation and recycling of starting gases which have not been converted in the synthesis of urea from ammonia and carbon dioxide in the synthesis reactor
ES0332202A ES332202A1 (en) 1965-10-15 1966-10-13 A procedure for the recyclation of ammonia and carbon dioxide not converted in urea, to the autoclave of synthesis, in the urea synthesis. (Machine-translation by Google Translate, not legally binding)
FR80110A FR1496664A (en) 1965-10-15 1966-10-14 Process for recycling the ammonia and carbon dioxide starting gases which have not reacted during the synthesis of urea
NL6614496A NL6614496A (en) 1965-10-15 1966-10-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1427665A CH456569A (en) 1965-10-15 1965-10-15 Process for the separation and recycling of starting gases not converted in the synthesis of urea from ammonia and carbon dioxide into the synthesis reactor

Publications (1)

Publication Number Publication Date
CH456569A true CH456569A (en) 1968-07-31

Family

ID=4399474

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1427665A CH456569A (en) 1965-10-15 1965-10-15 Process for the separation and recycling of starting gases not converted in the synthesis of urea from ammonia and carbon dioxide into the synthesis reactor

Country Status (4)

Country Link
CH (1) CH456569A (en)
DE (1) DE1568879A1 (en)
ES (1) ES332202A1 (en)
NL (1) NL6614496A (en)

Also Published As

Publication number Publication date
ES332202A1 (en) 1967-11-16
DE1568879A1 (en) 1970-04-02
NL6614496A (en) 1967-04-17

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