碘酸钾催化电解葡萄糖制氢过程研究  

Pure hydrogen production from electrolysis of glucose catalyzed by potassium iodate

作　　者：崔达赟 苏伟[1,2] 孙艳 CUI Dayun;SU Wei;SUN Yan(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300350,China;Tianjin Key Laboratory of Membrane and Desalination Technology,Tianjin 300350,China;School of Sciences,Tianjin University,Tianjin 300350,China)

机构地区：[1]天津大学化工学院,天津300072 [2]天津市膜科学与海水淡化重点实验室,天津300350 [3]天津大学理学院,天津300350

出　　处：《化学工业与工程》2022年第1期91-96,共6页Chemical Industry and Engineering

摘　　要：基于多金属氧酸盐(POMs)的催化电解生物质制氢技术表现出很好的开发前景。以成本更加低廉的KIO_(3)替代POMs,对其液相催化电解葡萄糖制氢过程进行探索。研究表明,适宜的预处理温度为80℃,预处理时间为4 h;与POMs相比,以KIO_(3)为催化剂,无需在预处理前后调节溶液的pH值,其工艺更为简单。在最适宜预处理条件下,电解葡萄糖制氢的产氢性能稳定,产氢量与时间成正比,且产氢过程电压稳定。Pure hydrogen produced from electrolysis of biomass catalyzed by polyoxometalates(POMs) is promising. KIO_(3) is cheaper than POMs and has been utilized as a catalyst in the electrolysis of glucose to produce pure hydrogen. It is shown that the appropriate pretreatment temperature and pretreatment time are 80 ℃ and 4 h respectively. Using POMs as a catalyst, the solution was adjusted to pH 0.3 before pretreatment, and pH 3 after pretreatment. However, using KIO_(3) as a catalyst, it is no need to adjust the pH of the solution. As a result, the process with KIO_(3) as a catalyst is simpler than that with POMs. Under suitable pretreatment temperature and time, the electrolysis of glucose is stable. The amount of hydrogen is proportional to the time, and the applied potential keeps almost constant during the hydrogen production process.

关 键 词：液相催化 制氢 葡萄糖 电解 碘酸钾 

分 类 号：TQ151.16[化学工程—电化学工业]