JPS5715832B2 - - Google Patents

Info

Publication number
JPS5715832B2
JPS5715832B2 JP14813178A JP14813178A JPS5715832B2 JP S5715832 B2 JPS5715832 B2 JP S5715832B2 JP 14813178 A JP14813178 A JP 14813178A JP 14813178 A JP14813178 A JP 14813178A JP S5715832 B2 JPS5715832 B2 JP S5715832B2
Authority
JP
Japan
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.)
Expired
Application number
JP14813178A
Other versions
JPS5573651A (en
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 filed Critical
Priority to JP14813178A priority Critical patent/JPS5573651A/ja
Priority to IN763/DEL/79A priority patent/IN151159B/en
Priority to US06/091,444 priority patent/US4231961A/en
Priority to DE19792944948 priority patent/DE2944948A1/de
Priority to AR278813A priority patent/AR218563A1/es
Priority to BR7907496A priority patent/BR7907496A/pt
Priority to EG711/79A priority patent/EG14032A/xx
Priority to NL7908658A priority patent/NL7908658A/nl
Priority to IT7927749A priority patent/IT7927749A0/it
Priority to GB7941349A priority patent/GB2040283B/en
Priority to FR7929513A priority patent/FR2442831A1/fr
Priority to CA341,014A priority patent/CA1113495A/en
Publication of JPS5573651A publication Critical patent/JPS5573651A/ja
Publication of JPS5715832B2 publication Critical patent/JPS5715832B2/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
JP14813178A 1978-11-30 1978-11-30 Preparation of urea Granted JPS5573651A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP14813178A JPS5573651A (en) 1978-11-30 1978-11-30 Preparation of urea
IN763/DEL/79A IN151159B (ja) 1978-11-30 1979-10-31
US06/091,444 US4231961A (en) 1978-11-30 1979-11-05 Process for preparation of urea
DE19792944948 DE2944948A1 (de) 1978-11-30 1979-11-07 Verfahren zur herstellung von harnstoff
AR278813A AR218563A1 (es) 1978-11-30 1979-11-08 Procedimiento para preparar urea
BR7907496A BR7907496A (pt) 1978-11-30 1979-11-19 Processo para a preparacao de ureia
EG711/79A EG14032A (en) 1978-11-30 1979-11-28 Process for preparation of urea
NL7908658A NL7908658A (nl) 1978-11-30 1979-11-29 Werkwijze voor de bereiding van ureum.
IT7927749A IT7927749A0 (it) 1978-11-30 1979-11-30 Procedimento per la preparazione di urea.
GB7941349A GB2040283B (en) 1978-11-30 1979-11-30 Process for preparation of urea
FR7929513A FR2442831A1 (fr) 1978-11-30 1979-11-30 Procede de preparation de l'uree
CA341,014A CA1113495A (en) 1978-11-30 1979-11-30 Process for preparation of urea

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14813178A JPS5573651A (en) 1978-11-30 1978-11-30 Preparation of urea

Publications (2)

Publication Number Publication Date
JPS5573651A JPS5573651A (en) 1980-06-03
JPS5715832B2 true JPS5715832B2 (ja) 1982-04-01

Family

ID=15445946

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14813178A Granted JPS5573651A (en) 1978-11-30 1978-11-30 Preparation of urea

Country Status (12)

Country Link
US (1) US4231961A (ja)
JP (1) JPS5573651A (ja)
AR (1) AR218563A1 (ja)
BR (1) BR7907496A (ja)
CA (1) CA1113495A (ja)
DE (1) DE2944948A1 (ja)
EG (1) EG14032A (ja)
FR (1) FR2442831A1 (ja)
GB (1) GB2040283B (ja)
IN (1) IN151159B (ja)
IT (1) IT7927749A0 (ja)
NL (1) NL7908658A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746954A (en) * 1980-09-05 1982-03-17 Mitsui Toatsu Chem Inc Synthesis of urea
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
JPS57128669A (en) * 1981-02-03 1982-08-10 Toyo Eng Corp Improvement of urea preparation process
JPS63112552A (ja) * 1986-10-30 1988-05-17 Toyo Eng Corp 未転化物の分離方法
NL8602769A (nl) * 1986-11-03 1988-06-01 Stamicarbon Werkwijze voor het concentreren van een ureumoplossing en inrichting voor het uitvoeren van de werkwijze.
IN169678B (ja) * 1987-08-13 1991-11-30 Austral Pacific Fertilizers
CH679485A5 (ja) * 1989-12-29 1992-02-28 Ammonia Casale Sa
US5316554A (en) * 1992-06-03 1994-05-31 Hansen Charles N Method for processing crystalline ammonium carbamate
NL1020388C2 (nl) * 2002-04-15 2003-10-17 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1023303C2 (nl) * 2003-04-29 2004-11-01 Dsm Nv Werkwijze voor de bereiding van een ureum- en formaldehydebevattende waterige oplossing.
NL1027314C2 (nl) * 2004-10-22 2006-04-25 Dsm Ip Assets Bv Werkwijze voor de produktie van een melamine en aldehyde bevattende waterige stroom.
CN107400066B (zh) * 2017-08-08 2020-04-24 内蒙古鄂尔多斯联合化工有限公司 一种高品质尿素生产方法及生产系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL250349A (ja) * 1960-04-08
US3816528A (en) * 1970-11-16 1974-06-11 Chemical Construction Corp Urea synthesis process
US4003928A (en) * 1971-02-03 1977-01-18 Stamicarbon N.V. Process for the preparation of urea
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPS5535378B2 (ja) * 1973-02-14 1980-09-12
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
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
SE446978B (sv) * 1977-05-05 1986-10-20 Montedison Spa Isobariskt dubbelatercirkulationsforfarande for syntetisering av urea under bildning av ammoniumkarbamat som mellanprodukt

Also Published As

Publication number Publication date
CA1113495A (en) 1981-12-01
GB2040283A (en) 1980-08-28
FR2442831A1 (fr) 1980-06-27
NL7908658A (nl) 1980-06-03
US4231961A (en) 1980-11-04
DE2944948A1 (de) 1980-06-12
GB2040283B (en) 1983-05-05
FR2442831B1 (ja) 1981-11-27
EG14032A (en) 1983-12-31
IN151159B (ja) 1983-02-26
JPS5573651A (en) 1980-06-03
AR218563A1 (es) 1980-06-13
BR7907496A (pt) 1980-09-09
IT7927749A0 (it) 1979-11-30

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