KR870001236B1 - 우레아 제조방법 - Google Patents

우레아 제조방법 Download PDF

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Publication number
KR870001236B1
KR870001236B1 KR8200423A KR820000423A KR870001236B1 KR 870001236 B1 KR870001236 B1 KR 870001236B1 KR 8200423 A KR8200423 A KR 8200423A KR 820000423 A KR820000423 A KR 820000423A KR 870001236 B1 KR870001236 B1 KR 870001236B1
Authority
KR
South Korea
Prior art keywords
ammonia
urea
ejector
pressure
aqueous solution
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.)
Expired
Application number
KR8200423A
Other languages
English (en)
Korean (ko)
Other versions
KR830009009A (ko
Inventor
아끼또 후꾸이
하루유끼 모리가와
다가시 나가하마
히데쓰구 후지이
Original Assignee
사꾸라이 마사오
도오요엔지니어링 가부시끼가이샤
요시오까 시로
미쓰이도오아쓰가가꾸 가부시끼가이샤
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 사꾸라이 마사오, 도오요엔지니어링 가부시끼가이샤, 요시오까 시로, 미쓰이도오아쓰가가꾸 가부시끼가이샤 filed Critical 사꾸라이 마사오
Publication of KR830009009A publication Critical patent/KR830009009A/ko
Application granted granted Critical
Publication of KR870001236B1 publication Critical patent/KR870001236B1/ko
Expired legal-status Critical Current

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR8200423A 1981-02-03 1982-02-02 우레아 제조방법 Expired KR870001236B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13813 1981-02-03
JP13813/1981 1981-02-03
JP56013813A JPS57128669A (en) 1981-02-03 1981-02-03 Improvement of urea preparation process

Publications (2)

Publication Number Publication Date
KR830009009A KR830009009A (ko) 1983-12-17
KR870001236B1 true KR870001236B1 (ko) 1987-06-26

Family

ID=11843707

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8200423A Expired KR870001236B1 (ko) 1981-02-03 1982-02-02 우레아 제조방법

Country Status (7)

Country Link
JP (1) JPS57128669A (enExample)
KR (1) KR870001236B1 (enExample)
BR (1) BR8200548A (enExample)
DE (1) DE3202762C2 (enExample)
FR (1) FR2499073A1 (enExample)
GB (1) GB2092140B (enExample)
IN (1) IN155233B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0735170U (ja) * 1993-12-13 1995-06-27 池田物産株式会社 車両用フロアカーペットの端末固定構造
CN106810468B (zh) * 2016-12-30 2018-04-10 安徽昊源化工集团有限公司 用于尿素合成的增强的装置
JP7012435B2 (ja) * 2017-01-10 2022-01-28 三菱重工業株式会社 立形ポンプ及び尿素合成プラント
JP6920819B2 (ja) * 2017-01-10 2021-08-18 三菱重工業株式会社 立形ポンプ、そのケーシングカバー及び尿素合成プラント並びに立形ポンプのケーシングカバー製造方法
CN109563838B (zh) * 2017-01-10 2020-10-20 三菱重工业株式会社 立式泵及尿素合成成套设备
JP6968539B2 (ja) * 2017-01-10 2021-11-17 三菱重工業株式会社 立形ポンプ及び尿素合成プラント

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954861A (en) * 1968-02-05 1976-05-04 Snamprogetti S.P.A Process for producing urea
EG10651A (en) * 1970-04-02 1977-10-31 Snam Progetti Process for prevention reactors corrosion during production of urea
NL7307036A (enExample) * 1973-05-21 1974-11-25
JPS5517346A (en) * 1978-07-24 1980-02-06 Toyo Eng Corp Synthetic method of urea
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea

Also Published As

Publication number Publication date
IN155233B (enExample) 1985-01-12
DE3202762A1 (de) 1982-08-05
GB2092140A (en) 1982-08-11
FR2499073A1 (fr) 1982-08-06
JPS6148827B2 (enExample) 1986-10-25
KR830009009A (ko) 1983-12-17
FR2499073B1 (enExample) 1984-02-24
GB2092140B (en) 1985-01-03
DE3202762C2 (de) 1984-03-22
JPS57128669A (en) 1982-08-10
BR8200548A (pt) 1982-12-07

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Legal Events

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19820202

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19860331

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19820202

Comment text: Patent Application

PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19870526

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19870904

PC1904 Unpaid initial registration fee