JPS63112552A - 未転化物の分離方法 - Google Patents

未転化物の分離方法

Info

Publication number
JPS63112552A
JPS63112552A JP25940486A JP25940486A JPS63112552A JP S63112552 A JPS63112552 A JP S63112552A JP 25940486 A JP25940486 A JP 25940486A JP 25940486 A JP25940486 A JP 25940486A JP S63112552 A JPS63112552 A JP S63112552A
Authority
JP
Japan
Prior art keywords
pressure
gaseous mixture
carbon dioxide
ammonia
urea
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
JP25940486A
Other languages
English (en)
Japanese (ja)
Inventor
Hidetsugu Fujii
藤井 英嗣
Hidetoshi Uchino
内野 秀敏
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.)
Toyo Engineering Corp
Original Assignee
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 Toyo Engineering Corp filed Critical Toyo Engineering Corp
Priority to JP25940486A priority Critical patent/JPS63112552A/ja
Priority to IN907/DEL/87A priority patent/IN171250B/en
Priority to BR8705723A priority patent/BR8705723A/pt
Priority to CN 87107799 priority patent/CN1020898C/zh
Priority to GB8725321A priority patent/GB2196965B/en
Publication of JPS63112552A publication Critical patent/JPS63112552A/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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)
JP25940486A 1986-10-30 1986-10-30 未転化物の分離方法 Pending JPS63112552A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP25940486A JPS63112552A (ja) 1986-10-30 1986-10-30 未転化物の分離方法
IN907/DEL/87A IN171250B (enrdf_load_stackoverflow) 1986-10-30 1987-10-16
BR8705723A BR8705723A (pt) 1986-10-30 1987-10-27 Processo para a separacao de materias primas nao convertidas
CN 87107799 CN1020898C (zh) 1986-10-30 1987-10-29 分离未转变原料的方法
GB8725321A GB2196965B (en) 1986-10-30 1987-10-29 Urea synthesis.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25940486A JPS63112552A (ja) 1986-10-30 1986-10-30 未転化物の分離方法

Publications (1)

Publication Number Publication Date
JPS63112552A true JPS63112552A (ja) 1988-05-17

Family

ID=17333651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25940486A Pending JPS63112552A (ja) 1986-10-30 1986-10-30 未転化物の分離方法

Country Status (5)

Country Link
JP (1) JPS63112552A (enrdf_load_stackoverflow)
CN (1) CN1020898C (enrdf_load_stackoverflow)
BR (1) BR8705723A (enrdf_load_stackoverflow)
GB (1) GB2196965B (enrdf_load_stackoverflow)
IN (1) IN171250B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6426434B1 (en) 2000-11-01 2002-07-30 Toyo Engineering Corporation Process for the synthesis of urea
JP2016514033A (ja) * 2013-02-08 2016-05-19 東洋エンジニアリング株式会社 燃焼排ガスからの二酸化炭素回収プロセス
WO2017043390A1 (ja) * 2015-09-08 2017-03-16 東洋エンジニアリング株式会社 尿素製造方法及び尿素製造装置
JP2018076379A (ja) * 2012-05-03 2018-05-17 スタミカーボン・ベー・フェー アンモニア及び二酸化炭素から尿素を製造するための方法、並びに装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039413C (zh) * 1993-09-16 1998-08-05 中国化学工程总公司 新汽提循环法尿素生产方法及其装置
CN1041199C (zh) * 1994-06-18 1998-12-16 中国五环化学工程公司 全循环法尿素节能生产新装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334721A (en) * 1976-09-09 1978-03-31 Snam Progetti Method of carrying out manufacture of urea and purification of water
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
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
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334721A (en) * 1976-09-09 1978-03-31 Snam Progetti Method of carrying out manufacture of urea and purification of water
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
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
JPS5867661A (ja) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc 尿素合成法
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6426434B1 (en) 2000-11-01 2002-07-30 Toyo Engineering Corporation Process for the synthesis of urea
JP2018076379A (ja) * 2012-05-03 2018-05-17 スタミカーボン・ベー・フェー アンモニア及び二酸化炭素から尿素を製造するための方法、並びに装置
JP2016514033A (ja) * 2013-02-08 2016-05-19 東洋エンジニアリング株式会社 燃焼排ガスからの二酸化炭素回収プロセス
WO2017043390A1 (ja) * 2015-09-08 2017-03-16 東洋エンジニアリング株式会社 尿素製造方法及び尿素製造装置
GB2557080A (en) * 2015-09-08 2018-06-13 Toyo Engineering Corp Urea production method and urea production device
JPWO2017043390A1 (ja) * 2015-09-08 2018-08-02 東洋エンジニアリング株式会社 尿素製造方法及び尿素製造装置
US10501407B2 (en) 2015-09-08 2019-12-10 Toyo Engineering Corporation Urea manufacturing method and urea manufacturing apparatus
GB2557080B (en) * 2015-09-08 2020-04-29 Toyo Engineering Corp Urea manufacturing method and urea manufacturing apparatus

Also Published As

Publication number Publication date
IN171250B (enrdf_load_stackoverflow) 1992-08-22
GB8725321D0 (en) 1987-12-02
GB2196965B (en) 1990-07-11
CN87107799A (zh) 1988-07-06
BR8705723A (pt) 1988-05-31
CN1020898C (zh) 1993-05-26
GB2196965A (en) 1988-05-11

Similar Documents

Publication Publication Date Title
US5849952A (en) Urea production process with high energy efficiency
NL8203252A (nl) Werkwijze ter bereiding van ammoniak.
KR860000189B1 (ko) 요소, 암모니아, 이산화탄소를 함유한 묽은 수용액으로 부터 요소, 암모니아, 이산화탄소를 제거하는 방법
US4409191A (en) Integrated cyclic scrubbing and condensate stripping process for the removal of gaseous impurities from gaseous mixtures
US4280990A (en) High pressure process for recovery of sulphur from gases
WO2017043391A1 (ja) 尿素製造方法及び尿素製造装置
NL7903623A (nl) Werkwijze voor het zuiveren van ureumhoudend afvalwater en werkwijze voor het bereiden van melamine.
US3310376A (en) Process for combined production of ammonia and urea
NL8201652A (nl) Werkwijze voor de bereiding van ureum.
US3155722A (en) Recovery of residual ammonia and carbon dioxide in the synthesis of urea
RU2043336C1 (ru) Способ получения мочевины из аммиака и диоксида углерода
RU2040518C1 (ru) Способ получения мочевины
US4140751A (en) Process for pressure stripping of sulfur dioxide from buffered solutions
JPS61109760A (ja) 尿素製造法
JPS63112552A (ja) 未転化物の分離方法
US5276183A (en) Process and plant for the production of urea
US5380943A (en) Process and plant for the production of urea with differentiated yield reaction spaces
CA2779841C (en) A urea stripping process for the production of urea
JPS6256084B2 (enrdf_load_stackoverflow)
JPS588501A (ja) ガス処理溶液からの生成物の除去法
US2046827A (en) Production of urea and nitrogen oxides
US3816528A (en) Urea synthesis process
UA67718C2 (uk) Спосіб одержання сечовини, конденсатор та установка для здійснення цього способу
EA019704B1 (ru) Способ концентрирования потока водного карбамата аммония
US3337297A (en) Process for combined production of ammonia and ammonium salts