探究金属催化剂催化效果的影响因素——乙醇的催化氧化实验  

Exploration of Influencing Factors of Catalytic Effect of Metal Catalysts:Catalytic Oxidation of Ethanol

作　　者：王燕[1] 魏崇启[1] 凌一洲 WANG Yan;WEI Chong-Qi;LING Yi-Zhou(Fengxian High School of Jiangsu Province,Fengxian 221700,China;School of Education Science,Nanjing Normal University,Nanjing 210097,China)

机构地区：[1]江苏省丰县中学,江苏徐州221700 [2]南京师范大学教育科学学院,江苏南京210097

出　　处：《化学教育(中英文)》2025年第3期93-96,共4页Chinese Journal of Chemical Education

摘　　要：以乙醇的催化氧化实验为载体,探究了不同种类、接触面积、聚热程度、表面粗糙度和摆放方式等因素对金属催化剂效果的影响。通过记录使溴水褪色所需鼓入空气的次数,以表征乙醇生成乙醛的转化率,从而定量比较不同催化剂的催化效果。结果表明,金属银的催化效果优于金属铜,此外接触面积大、聚热程度高、表面粗糙度高、摆放方式合理等因素都能加强催化效果。This paper investigated the influence of various factors on the catalytic efficiency during the oxidation of ethanol.These factors included the type of metal catalyst,contact area,heat collection levels,surface roughness,and catalyst placement.The catalytic oxidation of ethanol was studied by measuring the number of air blasts required to decolorize bromine water,a method used to quantify the conversion rate of ethanol to acetaldehyde for comparative analysis of different catalysts'effectiveness.The findings indicated that silver catalysts outperformed copper in terms of catalytic activity.Additionally,factors such as larger contact area,higher heat collection,greater surface roughness,and strategic catalyst placement were found to significantly enhance the catalytic effect.

关 键 词：金属催化剂 催化效果 影响因素 乙醇催化氧化实验 

分 类 号：TQ426.8[化学工程] TQ223.122