JPH0691987B2 - 尿素の加水分解方法 - Google Patents
尿素の加水分解方法Info
- Publication number
- JPH0691987B2 JPH0691987B2 JP62059662A JP5966287A JPH0691987B2 JP H0691987 B2 JPH0691987 B2 JP H0691987B2 JP 62059662 A JP62059662 A JP 62059662A JP 5966287 A JP5966287 A JP 5966287A JP H0691987 B2 JPH0691987 B2 JP H0691987B2
- Authority
- JP
- Japan
- Prior art keywords
- urea
- ammonia
- carbon dioxide
- hydrolysis
- steam
- 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 - Fee Related
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Physical Water Treatments (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62059662A JPH0691987B2 (ja) | 1987-03-13 | 1987-03-13 | 尿素の加水分解方法 |
IN164/CAL/88A IN168233B (en]) | 1987-03-13 | 1988-02-24 | |
BR8801106A BR8801106A (pt) | 1987-03-13 | 1988-03-11 | Processo para a hidrolise de ureia |
CN 88101281 CN1015883B (zh) | 1987-03-13 | 1988-03-11 | 低浓度尿素水溶液的尿素水解方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62059662A JPH0691987B2 (ja) | 1987-03-13 | 1987-03-13 | 尿素の加水分解方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63224785A JPS63224785A (ja) | 1988-09-19 |
JPH0691987B2 true JPH0691987B2 (ja) | 1994-11-16 |
Family
ID=13119631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62059662A Expired - Fee Related JPH0691987B2 (ja) | 1987-03-13 | 1987-03-13 | 尿素の加水分解方法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0691987B2 (en]) |
CN (1) | CN1015883B (en]) |
BR (1) | BR8801106A (en]) |
IN (1) | IN168233B (en]) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107159081A (zh) * | 2017-04-17 | 2017-09-15 | 赵寰宇 | 一种升膜式尿素水热制氨的反应器和尿素水解制氨工艺方法 |
US10280094B2 (en) | 2016-05-24 | 2019-05-07 | Toyo Engineering Corporation | Method and apparatus for treating urea aqueous solution |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2168993C (en) | 1995-10-27 | 2007-01-02 | Giorgio Pagani | Hydrolysis reactor for removal of urea, ammonia and carbon dioxide from a liquid phase comprising urea in aqueous solution |
US6511644B1 (en) | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
US6761868B2 (en) | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
US6887449B2 (en) | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
CN100400430C (zh) * | 2006-05-18 | 2008-07-09 | 刘国胜 | 尿素工艺冷凝液节能净化回收工艺 |
CN101696177B (zh) * | 2009-11-02 | 2012-07-04 | 河南心连心化肥有限公司 | 尿素工艺冷凝液处理装置及其方法 |
CN102167412B (zh) * | 2011-04-08 | 2013-01-30 | 吉林化工学院化工分离技术开发中心 | 一种高效复合式尿素废液深度水解解吸塔 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5982987A (ja) * | 1982-11-05 | 1984-05-14 | Toyo Eng Corp | 尿素を含有する希水溶液の処理方法 |
-
1987
- 1987-03-13 JP JP62059662A patent/JPH0691987B2/ja not_active Expired - Fee Related
-
1988
- 1988-02-24 IN IN164/CAL/88A patent/IN168233B/en unknown
- 1988-03-11 CN CN 88101281 patent/CN1015883B/zh not_active Expired
- 1988-03-11 BR BR8801106A patent/BR8801106A/pt not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10280094B2 (en) | 2016-05-24 | 2019-05-07 | Toyo Engineering Corporation | Method and apparatus for treating urea aqueous solution |
CN107159081A (zh) * | 2017-04-17 | 2017-09-15 | 赵寰宇 | 一种升膜式尿素水热制氨的反应器和尿素水解制氨工艺方法 |
Also Published As
Publication number | Publication date |
---|---|
CN88101281A (zh) | 1988-09-28 |
BR8801106A (pt) | 1988-10-18 |
JPS63224785A (ja) | 1988-09-19 |
IN168233B (en]) | 1991-02-23 |
CN1015883B (zh) | 1992-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |