FR2499073A1 - Procede de preparation de l'uree - Google Patents
Procede de preparation de l'uree Download PDFInfo
- Publication number
- FR2499073A1 FR2499073A1 FR8201576A FR8201576A FR2499073A1 FR 2499073 A1 FR2499073 A1 FR 2499073A1 FR 8201576 A FR8201576 A FR 8201576A FR 8201576 A FR8201576 A FR 8201576A FR 2499073 A1 FR2499073 A1 FR 2499073A1
- Authority
- FR
- France
- Prior art keywords
- urea
- ammonia
- ejector
- pressure
- ammonium carbamate
- 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.)
- Granted
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56013813A JPS57128669A (en) | 1981-02-03 | 1981-02-03 | Improvement of urea preparation process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2499073A1 true FR2499073A1 (fr) | 1982-08-06 |
| FR2499073B1 FR2499073B1 (cs) | 1984-02-24 |
Family
ID=11843707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8201576A Granted FR2499073A1 (fr) | 1981-02-03 | 1982-02-01 | Procede de preparation de l'uree |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS57128669A (cs) |
| KR (1) | KR870001236B1 (cs) |
| BR (1) | BR8200548A (cs) |
| DE (1) | DE3202762C2 (cs) |
| FR (1) | FR2499073A1 (cs) |
| GB (1) | GB2092140B (cs) |
| IN (1) | IN155233B (cs) |
Families Citing this family (6)
| 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 |
| 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 |
| 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 |
| 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 |
| EP3486493B1 (en) | 2017-01-10 | 2020-05-13 | Mitsubishi Heavy Industries, Ltd. | Vertical pump and urea synthesizing plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2092554A5 (cs) * | 1970-04-02 | 1972-01-21 | Snam Progetti | |
| FR2230626A1 (cs) * | 1973-05-21 | 1974-12-20 | Unie Van Kunstmestfab Bv | |
| US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
| FR2442831A1 (fr) * | 1978-11-30 | 1980-06-27 | Toyo Engineering Corp | Procede de preparation de l'uree |
| EP0018420A1 (en) * | 1978-07-24 | 1980-11-12 | Toyo Engineering Corporation | Method of synthesizing urea |
-
1981
- 1981-02-03 JP JP56013813A patent/JPS57128669A/ja active Granted
-
1982
- 1982-01-22 IN IN93/CAL/82A patent/IN155233B/en unknown
- 1982-01-22 GB GB8201890A patent/GB2092140B/en not_active Expired
- 1982-01-28 DE DE3202762A patent/DE3202762C2/de not_active Expired
- 1982-02-01 FR FR8201576A patent/FR2499073A1/fr active Granted
- 1982-02-02 KR KR8200423A patent/KR870001236B1/ko not_active Expired
- 1982-02-02 BR BR8200548A patent/BR8200548A/pt unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954861A (en) * | 1968-02-05 | 1976-05-04 | Snamprogetti S.P.A | Process for producing urea |
| FR2092554A5 (cs) * | 1970-04-02 | 1972-01-21 | Snam Progetti | |
| FR2230626A1 (cs) * | 1973-05-21 | 1974-12-20 | Unie Van Kunstmestfab Bv | |
| EP0018420A1 (en) * | 1978-07-24 | 1980-11-12 | Toyo Engineering Corporation | Method of synthesizing urea |
| FR2442831A1 (fr) * | 1978-11-30 | 1980-06-27 | Toyo Engineering Corp | Procede de preparation de l'uree |
Also Published As
| Publication number | Publication date |
|---|---|
| KR870001236B1 (ko) | 1987-06-26 |
| GB2092140B (en) | 1985-01-03 |
| DE3202762C2 (de) | 1984-03-22 |
| BR8200548A (pt) | 1982-12-07 |
| FR2499073B1 (cs) | 1984-02-24 |
| IN155233B (cs) | 1985-01-12 |
| JPS57128669A (en) | 1982-08-10 |
| JPS6148827B2 (cs) | 1986-10-25 |
| DE3202762A1 (de) | 1982-08-05 |
| GB2092140A (en) | 1982-08-11 |
| KR830009009A (ko) | 1983-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |