JPS52105125A - Separation and recovery of unreacted material on urea synthesis - Google Patents

Separation and recovery of unreacted material on urea synthesis

Info

Publication number
JPS52105125A
JPS52105125A JP2176076A JP2176076A JPS52105125A JP S52105125 A JPS52105125 A JP S52105125A JP 2176076 A JP2176076 A JP 2176076A JP 2176076 A JP2176076 A JP 2176076A JP S52105125 A JPS52105125 A JP S52105125A
Authority
JP
Japan
Prior art keywords
separation
urea synthesis
recovery
carbon dioxide
ammonia
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.)
Granted
Application number
JP2176076A
Other languages
Japanese (ja)
Other versions
JPS5532703B2 (en
Inventor
Shigeru Inoue
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
Original Assignee
Mitsui Toatsu Chemicals Inc
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 filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP2176076A priority Critical patent/JPS52105125A/en
Priority to IN1881/CAL/76A priority patent/IN145548B/en
Priority to MX167894A priority patent/MX144971A/en
Priority to EG86/77A priority patent/EG12471A/en
Priority to GB6319/77A priority patent/GB1508119A/en
Priority to AU22502/77A priority patent/AU506697B2/en
Priority to NL7701883A priority patent/NL7701883A/en
Priority to DE2708617A priority patent/DE2708617C2/en
Priority to NO770672A priority patent/NO150276C/en
Priority to FR7705832A priority patent/FR2342961A1/en
Priority to PT66245A priority patent/PT66245B/en
Priority to PH19511A priority patent/PH13083A/en
Priority to BR7701245A priority patent/BR7701245A/en
Priority to CA272,865A priority patent/CA1072980A/en
Priority to IT20822/77A priority patent/IT1071312B/en
Priority to SU772455690A priority patent/SU810078A3/en
Priority to US05/788,689 priority patent/US4110374A/en
Publication of JPS52105125A publication Critical patent/JPS52105125A/en
Publication of JPS5532703B2 publication Critical patent/JPS5532703B2/ja
Granted 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
    • C07C273/04—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)

Abstract

PURPOSE: The unreacted ammonia and carbon dioxide in the preparation of urea from ammonia and carbon dioxide, are effectively and economically recobered with reduced amount of water escaping with the unreocted ammonia and carbon dioxide by the separation at a low pressure stage by effective utilization heat in the urea synthesis solution.
COPYRIGHT: (C)1977,JPO&Japio
JP2176076A 1976-03-02 1976-03-02 Separation and recovery of unreacted material on urea synthesis Granted JPS52105125A (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
JP2176076A JPS52105125A (en) 1976-03-02 1976-03-02 Separation and recovery of unreacted material on urea synthesis
IN1881/CAL/76A IN145548B (en) 1976-03-02 1976-10-14
MX167894A MX144971A (en) 1976-03-02 1977-02-01 IMPROVEMENTS TO A PROCEDURE TO SEPARATE AND RECOVER MATERIALS WITHOUT REACTION IN UREA SYNTHESIS
EG86/77A EG12471A (en) 1976-03-02 1977-02-14 Process for separating and recovering unreacted materials from synthesis system
GB6319/77A GB1508119A (en) 1976-03-02 1977-02-15 Synthesis of urea
AU22502/77A AU506697B2 (en) 1976-03-02 1977-02-21 Process fcr recovering unreacted materials in urea synthesis
NL7701883A NL7701883A (en) 1976-03-02 1977-02-22 PROCEDURE FOR RECOVERY OF UNTREATED MATERIALS AND HEAT FROM THE PRODUCT OF THE UREUM SYNTHESIS.
DE2708617A DE2708617C2 (en) 1976-03-02 1977-02-28 Process for the recovery of unreacted ammonia and carbon dioxide and heat from a urea synthesis effluent
NO770672A NO150276C (en) 1976-03-02 1977-02-28 PROCEDURE FOR THE RECOVERY OF UNREADED MATERIALS AND HEAT FROM A UREA SYNTHETIC EXPOSURE
FR7705832A FR2342961A1 (en) 1976-03-02 1977-02-28 PROCESS FOR SEPARATION AND RECOVERY OF PRODUCTS THAT HAVE NOT REACTED IN THE UREA SYNTHESIS
PT66245A PT66245B (en) 1976-03-02 1977-02-28 Process for separating and recovering unreacted materials in urea synthesis
PH19511A PH13083A (en) 1976-03-02 1977-03-01 Process for separating and recovering unreacted materials in urea synthesis
BR7701245A BR7701245A (en) 1976-03-02 1977-03-01 PROCESS FOR THE PREPARATION AND RECOVERY OF NON-REACTED MATERIALS IN UREA SYNTHESIS
CA272,865A CA1072980A (en) 1976-03-02 1977-03-01 Process for separating and recovering unreacted materials in urea synthesis
IT20822/77A IT1071312B (en) 1976-03-02 1977-03-02 PROCEDURE FOR SEPARATING AND RECOVERING SUBSTANCES NOT REACTED IN THE SUMMARY OF UREA
SU772455690A SU810078A3 (en) 1976-03-02 1977-03-02 Method of separating unreacted ammonia and carbon diohide from products of urea synthesis
US05/788,689 US4110374A (en) 1976-03-02 1977-04-18 Process for separating and recovering unreacted materials in urea synthesis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2176076A JPS52105125A (en) 1976-03-02 1976-03-02 Separation and recovery of unreacted material on urea synthesis

Publications (2)

Publication Number Publication Date
JPS52105125A true JPS52105125A (en) 1977-09-03
JPS5532703B2 JPS5532703B2 (en) 1980-08-26

Family

ID=12064013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2176076A Granted JPS52105125A (en) 1976-03-02 1976-03-02 Separation and recovery of unreacted material on urea synthesis

Country Status (16)

Country Link
JP (1) JPS52105125A (en)
AU (1) AU506697B2 (en)
BR (1) BR7701245A (en)
CA (1) CA1072980A (en)
DE (1) DE2708617C2 (en)
EG (1) EG12471A (en)
FR (1) FR2342961A1 (en)
GB (1) GB1508119A (en)
IN (1) IN145548B (en)
IT (1) IT1071312B (en)
MX (1) MX144971A (en)
NL (1) NL7701883A (en)
NO (1) NO150276C (en)
PH (1) PH13083A (en)
PT (1) PT66245B (en)
SU (1) SU810078A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750954A (en) * 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea
GB2089786B (en) * 1980-12-23 1985-02-20 Mitsui Toatsu Chemicals Process for synthesizing urea
JPS5867661A (en) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc Synthesizing method of urea

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1540732A (en) * 1966-10-14 1968-09-27 Toyo Koatsu Ind Inc Urea synthesis process
GB1217219A (en) * 1967-08-10 1970-12-31 Mitsui Toatsu Chemicals Process for recovering excess ammonia in urea synthesis
JPS4919259B1 (en) * 1969-08-30 1974-05-16
US3824283A (en) * 1970-11-02 1974-07-16 Chemical Construction Corp Urea synthesis process

Also Published As

Publication number Publication date
EG12471A (en) 1979-09-30
DE2708617C2 (en) 1984-11-29
CA1072980A (en) 1980-03-04
PH13083A (en) 1979-11-23
GB1508119A (en) 1978-04-19
AU2250277A (en) 1978-08-31
FR2342961A1 (en) 1977-09-30
SU810078A3 (en) 1981-02-28
NO150276C (en) 1984-09-19
NL7701883A (en) 1977-09-06
MX144971A (en) 1981-12-09
PT66245B (en) 1978-07-17
DE2708617A1 (en) 1977-09-08
IN145548B (en) 1978-11-04
NO150276B (en) 1984-06-12
JPS5532703B2 (en) 1980-08-26
AU506697B2 (en) 1980-01-17
FR2342961B1 (en) 1980-10-31
IT1071312B (en) 1985-04-02
BR7701245A (en) 1977-12-20
NO770672L (en) 1977-09-05
PT66245A (en) 1977-03-01

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