NL138774B - PROCESS FOR PREPARING UREA FROM AMMONIA AND CARBON DIOXIDE. - Google Patents

PROCESS FOR PREPARING UREA FROM AMMONIA AND CARBON DIOXIDE.

Info

Publication number
NL138774B
NL138774B NL63302169A NL302169A NL138774B NL 138774 B NL138774 B NL 138774B NL 63302169 A NL63302169 A NL 63302169A NL 302169 A NL302169 A NL 302169A NL 138774 B NL138774 B NL 138774B
Authority
NL
Netherlands
Prior art keywords
ammonia
carbon dioxide
preparing urea
urea
preparing
Prior art date
Application number
NL63302169A
Other languages
Dutch (nl)
Original Assignee
Chemical Construction 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 Chemical Construction Corp filed Critical Chemical Construction Corp
Publication of NL138774B publication Critical patent/NL138774B/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
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL63302169A 1962-12-24 1963-12-18 PROCESS FOR PREPARING UREA FROM AMMONIA AND CARBON DIOXIDE. NL138774B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US246747A US3232985A (en) 1962-12-24 1962-12-24 Urea synthesis process

Publications (1)

Publication Number Publication Date
NL138774B true NL138774B (en) 1973-05-15

Family

ID=22932026

Family Applications (2)

Application Number Title Priority Date Filing Date
NL302169D NL302169A (en) 1962-12-24
NL63302169A NL138774B (en) 1962-12-24 1963-12-18 PROCESS FOR PREPARING UREA FROM AMMONIA AND CARBON DIOXIDE.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL302169D NL302169A (en) 1962-12-24

Country Status (6)

Country Link
US (1) US3232985A (en)
BE (1) BE641762A (en)
DE (1) DE1443623C3 (en)
ES (1) ES294808A1 (en)
GB (1) GB1032440A (en)
NL (2) NL138774B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES318356A1 (en) * 1964-10-16 1966-05-16 Toyo Koatsu Ind Incorporated Method of depuration of an effluent in the obtaining of synthetic urea. (Machine-translation by Google Translate, not legally binding)
GB1148991A (en) * 1966-10-14 1969-04-16 Toyo Koatsu Ind Inc Process for synthesising urea
US3593491A (en) * 1969-05-21 1971-07-20 Fluor Corp Ammonia plant carbon dioxide absorption and compression
CN110590605B (en) * 2019-10-11 2021-08-24 重庆化工职业学院 Production method of methyl carbamate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1429483A (en) * 1920-07-09 1922-09-19 Basf Ag Process of manufacturing urea
FR988833A (en) * 1945-03-15 1951-08-31 Gobey Lab Process for isomerization of bodies belonging to the phenyl-chroman series
US3155722A (en) * 1960-01-29 1964-11-03 Chemical Construction Corp Recovery of residual ammonia and carbon dioxide in the synthesis of urea

Also Published As

Publication number Publication date
GB1032440A (en) 1966-06-08
US3232985A (en) 1966-02-01
BE641762A (en) 1964-06-24
NL302169A (en) 1900-01-01
DE1443623C3 (en) 1974-02-28
DE1443623A1 (en) 1968-10-31
DE1443623B2 (en) 1973-07-26
ES294808A1 (en) 1964-06-01

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