BR8705723A - Processo para a separacao de materias primas nao convertidas - Google Patents

Processo para a separacao de materias primas nao convertidas

Info

Publication number
BR8705723A
BR8705723A BR8705723A BR8705723A BR8705723A BR 8705723 A BR8705723 A BR 8705723A BR 8705723 A BR8705723 A BR 8705723A BR 8705723 A BR8705723 A BR 8705723A BR 8705723 A BR8705723 A BR 8705723A
Authority
BR
Brazil
Prior art keywords
separation
raw materials
converted raw
converted
materials
Prior art date
Application number
BR8705723A
Other languages
English (en)
Portuguese (pt)
Inventor
Hidetsugu Fujii
Hidetoshi Uchino
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 BR8705723A publication Critical patent/BR8705723A/pt

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)
BR8705723A 1986-10-30 1987-10-27 Processo para a separacao de materias primas nao convertidas BR8705723A (pt)

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
BR8705723A true BR8705723A (pt) 1988-05-31

Family

ID=17333651

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8705723A BR8705723A (pt) 1986-10-30 1987-10-27 Processo para a separacao de materias primas nao convertidas

Country Status (5)

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

Families Citing this family (6)

* 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
JP4358428B2 (ja) * 2000-11-01 2009-11-04 東洋エンジニアリング株式会社 尿素製造方法
BR112014026866B1 (pt) * 2012-05-03 2020-09-24 Stamicarbon B.V. Processo e aparelho para a produção de ureia a partir de amônia e dióxido de carbono
US20150343369A1 (en) * 2013-02-08 2015-12-03 Toyo Engineering Corporation Process for recovering carbon dioxide from construction exhaust gas
US10501407B2 (en) 2015-09-08 2019-12-10 Toyo Engineering Corporation Urea manufacturing method and urea manufacturing apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
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

Also Published As

Publication number Publication date
IN171250B (de) 1992-08-22
GB8725321D0 (en) 1987-12-02
JPS63112552A (ja) 1988-05-17
CN1020898C (zh) 1993-05-26
GB2196965A (en) 1988-05-11
CN87107799A (zh) 1988-07-06
GB2196965B (en) 1990-07-11

Similar Documents

Publication Publication Date Title
PT86312A (pt) Processo para a preparacao de fibras superabsorventes
PT84806B (pt) Processo para a preparacao de benzopiranos
BR8702527A (pt) Processo para a preparacao de uma triazol-sulfonamida
BR8703345A (pt) Processo para producao de cloro
BR8704768A (pt) Processo para a fabricacao de compostos ceramicos auto-suportados
BR8604182A (pt) Processo para producao de eteres
BR8600882A (pt) Processo para a producao de vanilina
BR8803532A (pt) Processo para a reciclagem hidrogenante de oleos usados
BR8707028A (pt) Processo para a preparacao de mercaptometilfenois
BR8707412A (pt) Processo para a producao de ester correspondente
BR8703822A (pt) Processo para a producao de tribromo-estireno cristalino
PT89056A (pt) Processo para a preparacao de hidroxilaminas substituidas
PT84072B (pt) Processo para a preparacao de esteroides aminoglicosidicos
BR8704110A (pt) Processo para a producao de anidrido ftalico
BR8703738A (pt) Processo para a producao de um alquilfenol
BR8705723A (pt) Processo para a separacao de materias primas nao convertidas
BR8704748A (pt) Processo para a producao de um composito ceramico auto-suportavel
BR8801589A (pt) Processo para producao continua de polpa contendo fibras de duas ou mais diferentes materias primas
BR8706408A (pt) Processo para a preparacao de aldeidos
BR8507313A (pt) Processo para a fabricacao de hastes de succao
PT84236B (pt) Processo para a liquefaccao de material termicamente fundivel/nomeadamente vidro
BR8703037A (pt) Processo para a producao de borracha de copolimero de etileno-propileno
BR8707459A (pt) Processo para a producao de carga de carvao
BR8704513A (pt) Processo para a producao de acido trimetilico
PT84628B (pt) Processo para a producao do antibiotico a42125

Legal Events

Date Code Title Description
FF Decision: intention to grant
KD Fees due (letter patent)
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 27/10/2002