CN1117067C - 高纯度α-硝基萘的工业化制备方法 - Google Patents
高纯度α-硝基萘的工业化制备方法 Download PDFInfo
- Publication number
- CN1117067C CN1117067C CN99114472A CN99114472A CN1117067C CN 1117067 C CN1117067 C CN 1117067C CN 99114472 A CN99114472 A CN 99114472A CN 99114472 A CN99114472 A CN 99114472A CN 1117067 C CN1117067 C CN 1117067C
- Authority
- CN
- China
- Prior art keywords
- prime
- receiving bin
- crystallization case
- temperature
- purification
- 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
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99114472A CN1117067C (zh) | 1999-09-28 | 1999-09-28 | 高纯度α-硝基萘的工业化制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99114472A CN1117067C (zh) | 1999-09-28 | 1999-09-28 | 高纯度α-硝基萘的工业化制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1251362A CN1251362A (zh) | 2000-04-26 |
CN1117067C true CN1117067C (zh) | 2003-08-06 |
Family
ID=5277553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99114472A Expired - Fee Related CN1117067C (zh) | 1999-09-28 | 1999-09-28 | 高纯度α-硝基萘的工业化制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1117067C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109453537A (zh) * | 2018-11-22 | 2019-03-12 | 衡阳市晋宏精细化工有限公司 | 可自动分离结晶与溶液的结晶机 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU783299A1 (ru) * | 1978-05-22 | 1980-11-30 | Предприятие П/Я В-8611 | Способ очистки нитроароматических соединений |
SU1036721A1 (ru) * | 1982-04-12 | 1983-08-23 | Предприятие П/Я А-7850 | Способ очистки 1-нитронафталина |
-
1999
- 1999-09-28 CN CN99114472A patent/CN1117067C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU783299A1 (ru) * | 1978-05-22 | 1980-11-30 | Предприятие П/Я В-8611 | Способ очистки нитроароматических соединений |
SU1036721A1 (ru) * | 1982-04-12 | 1983-08-23 | Предприятие П/Я А-7850 | Способ очистки 1-нитронафталина |
Also Published As
Publication number | Publication date |
---|---|
CN1251362A (zh) | 2000-04-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110498787B (zh) | 一种丙交酯的纯化系统及纯化方法 | |
CN1233453C (zh) | 一种用于三相浆态床反应器液固分离的自动过滤/反冲装置 | |
CN113893573B (zh) | 一种丙交酯连续熔融结晶提纯系统及方法 | |
CN106995402B (zh) | 生产精咔的设备及利用其静态熔融结晶法生产精咔的工艺 | |
CN101735270A (zh) | 一种草甘膦连续结晶的方法 | |
CN110606838A (zh) | 一种集成式聚乳酸回收装置和聚乳酸回收方法 | |
CN1117067C (zh) | 高纯度α-硝基萘的工业化制备方法 | |
CN111253262A (zh) | 一种邻硝基对甲基苯酚的连续流工业化生产方法 | |
CN103409647A (zh) | 一种高、低温兼容型金属锂蒸馏设备及其蒸馏方法 | |
CN112973607A (zh) | 矮壮素连续生产装置及工艺 | |
CN210683641U (zh) | 一种便于降低能耗的二聚酸生产设备 | |
CN101182278A (zh) | 结晶提纯精芴的方法 | |
CN1171890C (zh) | 高纯桉叶素的制备方法及其装置 | |
CN1314779C (zh) | 一种针状焦的制备方法 | |
CN1102566C (zh) | 特纯甲萘酚的工业化制备方法 | |
CN214436584U (zh) | 一种生产高纯度n-甲基甲酰胺装置 | |
CN211486557U (zh) | 高分子化合物生产中有机溶剂和水连续脱除回收系统 | |
CN105732411A (zh) | 一种头孢呋辛酯生产废液中二甲基乙酰胺的回收系统及其工艺 | |
CN217489767U (zh) | 一种结晶器和一种生产相变蜡的装置 | |
JPH11217425A (ja) | ラクチドの連続製造装置及び連続製造方法 | |
CN1052971C (zh) | 工业品高纯度甲萘胺的制备方法 | |
CN105669351A (zh) | 粗蒽生产方法及其装置 | |
CN220715811U (zh) | 一种3,5-二氯-2-戊酮的连续生产装置 | |
CN219879888U (zh) | 酰氧基硅烷合成系统 | |
CN115193081A (zh) | 一种高效环保提取粗蒽的系统和方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: CHANG YU CHEMICAL CO., LTD., CHANGZHOU CITY Free format text: FORMER NAME OR ADDRESS: CHANGYU CHEMICAL PLANT, CHANGZHOU CITY |
|
CP03 | Change of name, title or address |
Address after: HUTANG Town District Jiangsu city Changzhou province 213031 Dragon Patentee after: Changzhou Changyu Chemical Co., Ltd. Address before: HUTANG Town District Jiangsu city Changzhou province 213031 Dragon Patentee before: Changyu Chemical Plant, Changzhou City |
|
ASS | Succession or assignment of patent right |
Owner name: CHANGHONG CHEMICAL ENGINEERING TECHNOLOGY DEVELOP Free format text: FORMER OWNER: CHANG YU CHEMICAL CO., LTD., CHANGZHOU CITY Effective date: 20080509 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080509 Address after: Jiangsu city of Changzhou province Xinbei Longhu town No. 17 West Street Patentee after: Changhong Chemical Tech Development Co., Ltd., Changzhou City Address before: HUTANG town area of Jiangsu city of Changzhou Province dragon Patentee before: Changzhou Changyu Chemical Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030806 Termination date: 20130928 |