JPS5746954A - Synthesis of urea - Google Patents

Synthesis of urea

Info

Publication number
JPS5746954A
JPS5746954A JP55122328A JP12232880A JPS5746954A JP S5746954 A JPS5746954 A JP S5746954A JP 55122328 A JP55122328 A JP 55122328A JP 12232880 A JP12232880 A JP 12232880A JP S5746954 A JPS5746954 A JP S5746954A
Authority
JP
Japan
Prior art keywords
carbon dioxide
ammonia
urea
unreacting
reaction
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.)
Pending
Application number
JP55122328A
Other languages
English (en)
Inventor
Hiroshi Ono
Hidetsugu Fujii
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
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
Priority to JP55122328A priority Critical patent/JPS5746954A/ja
Priority to US06/293,926 priority patent/US4365089A/en
Priority to NL8104071A priority patent/NL8104071A/nl
Priority to CA000385196A priority patent/CA1216861A/en
Priority to IT23811/81A priority patent/IT1138579B/it
Priority to DE19813135161 priority patent/DE3135161A1/de
Priority to GB8126790A priority patent/GB2083471B/en
Priority to BR8105695A priority patent/BR8105695A/pt
Priority to KR1019810003315A priority patent/KR870000807B1/ko
Priority to FR8116921A priority patent/FR2489820A1/fr
Publication of JPS5746954A publication Critical patent/JPS5746954A/ja
Pending 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)
JP55122328A 1980-09-05 1980-09-05 Synthesis of urea Pending JPS5746954A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP55122328A JPS5746954A (en) 1980-09-05 1980-09-05 Synthesis of urea
US06/293,926 US4365089A (en) 1980-09-05 1981-08-18 Synthesis of urea
NL8104071A NL8104071A (nl) 1980-09-05 1981-09-02 Werkwijze ter bereiding van ureum.
CA000385196A CA1216861A (en) 1980-09-05 1981-09-04 Synthesis of urea
IT23811/81A IT1138579B (it) 1980-09-05 1981-09-04 Sintesi di urea
DE19813135161 DE3135161A1 (de) 1980-09-05 1981-09-04 "verfahren zur synthese von harnstoff"
GB8126790A GB2083471B (en) 1980-09-05 1981-09-04 Synthesis of urea
BR8105695A BR8105695A (pt) 1980-09-05 1981-09-04 Processo para sintese de ureia
KR1019810003315A KR870000807B1 (ko) 1980-09-05 1981-09-05 요소 합성방법
FR8116921A FR2489820A1 (fr) 1980-09-05 1981-09-07 Procede de synthese de l'uree

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55122328A JPS5746954A (en) 1980-09-05 1980-09-05 Synthesis of urea

Publications (1)

Publication Number Publication Date
JPS5746954A true JPS5746954A (en) 1982-03-17

Family

ID=14833242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55122328A Pending JPS5746954A (en) 1980-09-05 1980-09-05 Synthesis of urea

Country Status (10)

Country Link
US (1) US4365089A (ja)
JP (1) JPS5746954A (ja)
KR (1) KR870000807B1 (ja)
BR (1) BR8105695A (ja)
CA (1) CA1216861A (ja)
DE (1) DE3135161A1 (ja)
FR (1) FR2489820A1 (ja)
GB (1) GB2083471B (ja)
IT (1) IT1138579B (ja)
NL (1) NL8104071A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63112552A (ja) * 1986-10-30 1988-05-17 Toyo Eng Corp 未転化物の分離方法
JP2010527949A (ja) * 2007-05-22 2010-08-19 サイペム・ソシエタ・ペル・アチオニ 尿素を合成するための改良された方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303888A (nl) * 1983-11-13 1985-06-03 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
EP2343274A1 (en) * 2010-01-07 2011-07-13 Stamicarbon B.V. A urea stripping process for the production of urea
CN104744309B (zh) * 2015-02-18 2016-07-06 兖矿新疆煤化工有限公司 二氧化碳汽提尿素装置无放空高压开车的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522674A (en) * 1978-07-24 1980-02-18 Ammonia Casale Sa Treatment of urea solution

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2056283A (en) * 1933-09-13 1936-10-06 Atmospherie Nitrogen Corp Process for the production of urea and an ammonium salt
US3005849A (en) * 1958-06-17 1961-10-24 Toyo Koatsu Ind Inc Urea synthesis using excess ammonia
DE1248639B (ja) * 1959-07-03
NL101446C (ja) * 1960-04-08
US3317601A (en) * 1962-08-08 1967-05-02 Toyo Koatsu Ind Inc Synthesizing urea
CH498811A (de) * 1967-05-22 1970-11-15 Chemical Construction Corp Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd
JPS5175022A (en) * 1974-12-24 1976-06-29 Mitsui Toatsu Chemicals Nyosogoseini okeru mihannobutsunoshorihoho
JPS585190B2 (ja) * 1975-09-22 1983-01-29 三井東圧化学株式会社 尿素合成における未反応物の分離回収方法
NL7713190A (nl) * 1977-11-30 1979-06-01 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing.
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
JPS5811432B2 (ja) * 1979-10-08 1983-03-02 三井東圧化学株式会社 尿素合成法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5522674A (en) * 1978-07-24 1980-02-18 Ammonia Casale Sa Treatment of urea solution

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63112552A (ja) * 1986-10-30 1988-05-17 Toyo Eng Corp 未転化物の分離方法
JP2010527949A (ja) * 2007-05-22 2010-08-19 サイペム・ソシエタ・ペル・アチオニ 尿素を合成するための改良された方法

Also Published As

Publication number Publication date
IT8123811A0 (it) 1981-09-04
FR2489820A1 (fr) 1982-03-12
KR870000807B1 (ko) 1987-04-20
DE3135161A1 (de) 1982-04-08
US4365089A (en) 1982-12-21
KR830007528A (ko) 1983-10-21
GB2083471A (en) 1982-03-24
BR8105695A (pt) 1982-05-25
CA1216861A (en) 1987-01-20
GB2083471B (en) 1984-09-12
IT1138579B (it) 1986-09-17
NL8104071A (nl) 1982-04-01

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