IT1138579B - Sintesi di urea - Google Patents

Sintesi di urea

Info

Publication number
IT1138579B
IT1138579B IT23811/81A IT2381181A IT1138579B IT 1138579 B IT1138579 B IT 1138579B IT 23811/81 A IT23811/81 A IT 23811/81A IT 2381181 A IT2381181 A IT 2381181A IT 1138579 B IT1138579 B IT 1138579B
Authority
IT
Italy
Prior art keywords
urea
Prior art date
Application number
IT23811/81A
Other languages
English (en)
Other versions
IT8123811A0 (it
Inventor
Ono Hiroshi
Fujii Hidetsugu
Inoue Shigeru
Original Assignee
Mitsui Toatsu Chemicals
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, Toyo Engineering Corp filed Critical Mitsui Toatsu Chemicals
Publication of IT8123811A0 publication Critical patent/IT8123811A0/it
Application granted granted Critical
Publication of IT1138579B publication Critical patent/IT1138579B/it

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)
IT23811/81A 1980-09-05 1981-09-04 Sintesi di urea IT1138579B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8123811A0 IT8123811A0 (it) 1981-09-04
IT1138579B true IT1138579B (it) 1986-09-17

Family

ID=14833242

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23811/81A IT1138579B (it) 1980-09-05 1981-09-04 Sintesi di urea

Country Status (10)

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

Families Citing this family (5)

* 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.
JPS63112552A (ja) * 1986-10-30 1988-05-17 Toyo Eng Corp 未転化物の分離方法
ITMI20071029A1 (it) * 2007-05-22 2008-11-23 Snam Progetti Procedimento migliorato per la sintesi di urea
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

Family Cites Families (12)

* 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 (it) * 1959-07-03
NL101446C (it) * 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.
IT1174366B (it) * 1978-07-24 1987-07-01 Ortu Francesco Decompositore di carbammato per produzione industriale di urea
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

Also Published As

Publication number Publication date
GB2083471A (en) 1982-03-24
KR870000807B1 (ko) 1987-04-20
GB2083471B (en) 1984-09-12
JPS5746954A (en) 1982-03-17
NL8104071A (nl) 1982-04-01
CA1216861A (en) 1987-01-20
IT8123811A0 (it) 1981-09-04
US4365089A (en) 1982-12-21
BR8105695A (pt) 1982-05-25
FR2489820A1 (fr) 1982-03-12
DE3135161A1 (de) 1982-04-08
KR830007528A (ko) 1983-10-21

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