IN165755B - - Google Patents

Info

Publication number
IN165755B
IN165755B IN784/DEL/85A IN784DE1985A IN165755B IN 165755 B IN165755 B IN 165755B IN 784DE1985 A IN784DE1985 A IN 784DE1985A IN 165755 B IN165755 B IN 165755B
Authority
IN
India
Application number
IN784/DEL/85A
Other languages
English (en)
Inventor
Hidetsugu Fujii
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
Publication of IN165755B publication Critical patent/IN165755B/en

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IN784/DEL/85A 1984-11-02 1985-09-25 IN165755B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59232135A JPS61109760A (ja) 1984-11-02 1984-11-02 尿素製造法

Publications (1)

Publication Number Publication Date
IN165755B true IN165755B (zh) 1990-01-06

Family

ID=16934540

Family Applications (1)

Application Number Title Priority Date Filing Date
IN784/DEL/85A IN165755B (zh) 1984-11-02 1985-09-25

Country Status (6)

Country Link
US (1) US4864059A (zh)
JP (1) JPS61109760A (zh)
CN (1) CN1004809B (zh)
BR (1) BR8504970A (zh)
GB (1) GB2167066B (zh)
IN (1) IN165755B (zh)

Families Citing this family (13)

* 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
CN1051075C (zh) * 1992-12-23 2000-04-05 中国五环化学工程公司 二氧化碳气提法尿素生产工艺及装置
US5597454A (en) * 1995-04-06 1997-01-28 Lee; Jing M. Process for producing urea
US6231632B1 (en) 1999-05-25 2001-05-15 Engelhard Corporation Urea processing agent
DE60201384T3 (de) 2001-07-23 2012-01-26 Toyo Engineering Corp. Verfahren zur Harnstoffsynthese
EP1719755A1 (en) * 2005-05-04 2006-11-08 Urea Casale S.A. Process for urea production and related plant
EP1918273A1 (en) * 2006-11-04 2008-05-07 Urea Casale S.A. Process for urea production and related plant
US7642377B1 (en) * 2008-07-21 2010-01-05 Kellogg Brown & Root Llc Systems and methods for integrated ammonia-urea process
EP2402308A1 (en) * 2010-06-24 2012-01-04 DSM IP Assets B.V. Urea plant
GB2557080B (en) 2015-09-08 2020-04-29 Toyo Engineering Corp Urea manufacturing method and urea manufacturing apparatus
JP6833698B2 (ja) 2015-09-08 2021-02-24 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
EP3398935A1 (en) 2017-05-05 2018-11-07 Casale Sa Process and plant for the synthesis of urea
JP7157684B2 (ja) 2019-03-14 2022-10-20 東洋エンジニアリング株式会社 尿素製造方法および装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1618867A1 (de) * 1966-03-29 1972-03-30 Sumitomo Chemical Co Verfahren zur Herstellung von Harnstoff
CH468356A (de) * 1966-04-05 1969-02-15 Inventa Ag Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches
NL156391B (nl) * 1968-03-16 1978-04-17 Stamicarobon N V Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
NL156686B (nl) * 1968-03-16 1978-05-16 Stamicarbon Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
GB1268430A (en) * 1968-12-16 1972-03-29 Snam Progetti Process for the production of urea
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
BE757274A (fr) * 1969-10-16 1971-03-16 Snam Progetti Procede de production d'uree
DE2619641A1 (de) * 1976-05-04 1977-11-17 Hoechst Ag Verfahren zur herstellung von 2-alkoxy-6-brom-naphthalinen
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
IT1065422B (it) * 1976-12-23 1985-02-25 Snam Progetti Processo ammoniaca-urea integrato per la produzione di urea
IT1094295B (it) * 1978-04-05 1985-07-26 Snam Progetti Procedimento integrato ammoniaca-urea
US4500734A (en) * 1980-12-11 1985-02-19 Snamprogetti S.P.A. Process for the production of urea
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
GB2167066B (en) 1987-11-11
JPS61109760A (ja) 1986-05-28
CN85107834A (zh) 1986-06-10
CN1004809B (zh) 1989-07-19
GB2167066A (en) 1986-05-21
BR8504970A (pt) 1986-07-22
GB8526934D0 (en) 1985-12-04
US4864059A (en) 1989-09-05

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