| 甲醇电氧化制备甲醛的研究 |
| |
| 引用本文： | 常永芳,刘志强,孙翠红,张星辰,赵建录.甲醇电氧化制备甲醛的研究[J].河北工业科技,2010,27(4):216-218. |
| |
| 作者姓名： | 常永芳 刘志强 孙翠红 张星辰 赵建录 |
| |
| 作者单位： | 1. 石家庄学院化工学院,河北石家庄,050035
2. 石家庄市第38中学,河北石家庄,050000 |
| |
| 基金项目： | 河北省科学技术研究与发展计划项目 |
| |
| 摘 要： | 介绍了一种用电化学法合成甲醛的新方法,研究了甲醇和盐酸混合体系中各种工艺条件对甲醛收率的影响,得到最佳电解条件如下:电极电流密度为20 mA/cm2,电解温度为40℃,电解时间为6 h,甲醇初始浓度为0.5 mol/L,盐酸初始浓度为1 mol/L。在此条件下电解甲醇,甲醛收率达19.1%,电流效率为28.8%。
|
| 关 键 词： | 电化学合成 甲醇 甲醛 |
Elect ro oxidation synt hesis of formaldehyde f rom met hanol |
| |
| CHANG Yong-fang,LIU Zhi-qiang,SUN Cui-hong,ZHANG Xing-chen and ZHAO Jian-lu.Elect ro oxidation synt hesis of formaldehyde f rom met hanol[J].Hebei Journal of Industrial Science & Technology,2010,27(4):216-218. |
| |
| Authors: | CHANG Yong-fang LIU Zhi-qiang SUN Cui-hong ZHANG Xing-chen and ZHAO Jian-lu |
| |
| Institution: | College of Chemical Technology,Shijiazhuang University,Shijiazhuang Hebei 050035,China;No.38 High School of Shijiazhuang,Shijiazhuang Hebei 050000,China;College of Chemical Technology,Shijiazhuang University,Shijiazhuang Hebei 050035,China;College of Chemical Technology,Shijiazhuang University,Shijiazhuang Hebei 050035,China;College of Chemical Technology,Shijiazhuang University,Shijiazhuang Hebei 050035,China |
| |
| Abstract: | A new systhesis method of formaldehyde from methanol by electro oxidation is introduced,and the effects of the technological conditions of methanol and hydrochloric acid on the yield of formaldehyde are also discussed.The yield is 19.1% and the current efficiency is 28.8% under optimal conditions of current density 20 mA/cm2,temperature 40 ℃,electrolysis time 6 h and initial concentration of methanol and hydrochloric acid 0.5 mol/L,1 mol/L,respectively. |
| |
| Keywords: | electro oxidation methanol formaldehyde |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《河北工业科技》浏览原始摘要信息 |
| 点击此处可从《河北工业科技》下载免费的PDF全文 |
|
