CN101337923A - 一种粗吡啶的提纯方法 - Google Patents
一种粗吡啶的提纯方法 Download PDFInfo
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- CN101337923A CN101337923A CNA2008101246785A CN200810124678A CN101337923A CN 101337923 A CN101337923 A CN 101337923A CN A2008101246785 A CNA2008101246785 A CN A2008101246785A CN 200810124678 A CN200810124678 A CN 200810124678A CN 101337923 A CN101337923 A CN 101337923A
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- pyridine
- crude pyridine
- crude
- purification
- reaction
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反应温度(℃) | 反应空速(h-1) | 粗吡啶∶空气摩尔比 | 纯吡啶含量 | 吡啶回收率 |
300 | 500 | 1∶100 | 99.9% | 98.2% |
实施例 | 反应温度(℃) | 反应空速(h-1) | 粗吡啶∶空气摩尔比 | 纯吡啶含量 | 吡啶回收率 |
2 | 250 | 500 | 1∶100 | 99.8% | 97.3% |
3 | 280 | 500 | 1∶100 | 99.9% | 98.0% |
4 | 320 | 500 | 1∶100 | 99.9% | 98.1% |
5 | 400 | 500 | 1∶100 | 99.9% | 92.4% |
6 | 300 | 300 | 1∶100 | 99.9% | 97.0% |
7 | 300 | 800 | 1∶100 | 99.8% | 98.0% |
8 | 300 | 1000 | 1∶100 | 99.6% | 96.8% |
9 | 300 | 500 | 1∶50 | 99.5% | 97.7% |
10 | 300 | 500 | 1∶150 | 99.9% | 98.1% |
反应温度(℃) | 反应空速(h-1) | 粗吡啶∶空气摩尔比 | 纯吡啶含量 | 吡啶回收率 |
300 | 500 | 1∶100 | 99.8% | 98.2% |
反应温度(℃) | 反应空速(h-1) | 粗吡啶∶空气摩尔比 | 纯吡啶含量 | 吡啶回收率 |
300 | 500 | 1∶100 | 98.8% | 97.3% |
Claims (8)
Priority Applications (1)
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CN2008101246785A CN101337923B (zh) | 2008-08-29 | 2008-08-29 | 一种粗吡啶的提纯方法 |
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CN2008101246785A CN101337923B (zh) | 2008-08-29 | 2008-08-29 | 一种粗吡啶的提纯方法 |
Publications (2)
Publication Number | Publication Date |
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CN101337923A true CN101337923A (zh) | 2009-01-07 |
CN101337923B CN101337923B (zh) | 2010-12-01 |
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CN2008101246785A Active CN101337923B (zh) | 2008-08-29 | 2008-08-29 | 一种粗吡啶的提纯方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101973931A (zh) * | 2010-10-28 | 2011-02-16 | 攀钢集团钢铁钒钛股份有限公司 | 一种从硫铵母液中提取吡啶的方法 |
JP2012229259A (ja) * | 2012-07-19 | 2012-11-22 | Air Water Inc | ピリジン化合物の製造方法およびピリジン化合物 |
CN105037251A (zh) * | 2015-05-22 | 2015-11-11 | 南京红太阳生物化学有限责任公司 | 一种3,5-二甲基吡啶的提纯方法 |
CN113698341A (zh) * | 2021-11-01 | 2021-11-26 | 潍坊新绿化工有限公司 | 一种吡啶的纯化方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA010685B1 (ru) * | 2003-07-02 | 2008-10-30 | Басф Акциенгезельшафт | ОБРАБОТКА in situ ЭФИРОВ ПИРИДИН-2,3-ДИКАРБОНОВОЙ КИСЛОТЫ ОКИСЛИТЕЛЕМ |
-
2008
- 2008-08-29 CN CN2008101246785A patent/CN101337923B/zh active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101973931A (zh) * | 2010-10-28 | 2011-02-16 | 攀钢集团钢铁钒钛股份有限公司 | 一种从硫铵母液中提取吡啶的方法 |
JP2012229259A (ja) * | 2012-07-19 | 2012-11-22 | Air Water Inc | ピリジン化合物の製造方法およびピリジン化合物 |
CN105037251A (zh) * | 2015-05-22 | 2015-11-11 | 南京红太阳生物化学有限责任公司 | 一种3,5-二甲基吡啶的提纯方法 |
CN113698341A (zh) * | 2021-11-01 | 2021-11-26 | 潍坊新绿化工有限公司 | 一种吡啶的纯化方法 |
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Publication number | Publication date |
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CN101337923B (zh) | 2010-12-01 |
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Owner name: NANJING RED SUN BIOCHEMICAL CO., LTD. Free format text: FORMER OWNER: NANJING FIRST PESTICIDE GROUP CO., LTD. Effective date: 20111121 |
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Free format text: CORRECT: ADDRESS; FROM: 211300 NANJING, JIANGSU PROVINCE TO: 210047 NANJING, JIANGSU PROVINCE |
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Effective date of registration: 20111121 Address after: 210047 Nanjing Chemical Industrial Park, Jiangsu aromatic South Road, No. 168 Patentee after: Nanjing Red Sun Biological Chemical Co., Ltd. Address before: 211300 Pagoda Road 269, Gaochun County, Jiangsu, Nanjing Patentee before: Nanjing First Pesticide Group Co., Ltd. |
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Owner name: ANHUI GUOXING BIOCHEMICAL CO., LTD. Free format text: FORMER OWNER: NANJING RED SUN BIOCHEMICAL CO., LTD. Effective date: 20111213 |
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Free format text: CORRECT: ADDRESS; FROM: 210047 NANJING, JIANGSU PROVINCE TO: 243100 MAANSHAN, ANHUI PROVINCE |
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Effective date of registration: 20111213 Address after: 243100 Dangtu Economic Development Zone in Anhui Patentee after: Anhui Guoxing Biochemistry Co., Ltd. Address before: 210047 Nanjing Chemical Industrial Park, Jiangsu aromatic South Road, No. 168 Patentee before: Nanjing Red Sun Biological Chemical Co., Ltd. |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Red Sun Biological Chemical Co., Ltd. Assignor: Anhui Guoxing Biochemistry Co., Ltd. Contract record no.: 2012320000407 Denomination of invention: Process for purifying crude pyridine Granted publication date: 20101201 License type: Exclusive License Open date: 20090107 Record date: 20120406 |