The selective catalytic reduction(SCR) of NOx using MnOx and CeO2 supported on viscose-based active carbon fibers(ACF) at 120 ℃～270 ℃ relatively lower than the temperature when using V2O5/TiO2-anatase catalyst was ...The selective catalytic reduction(SCR) of NOx using MnOx and CeO2 supported on viscose-based active carbon fibers(ACF) at 120 ℃～270 ℃ relatively lower than the temperature when using V2O5/TiO2-anatase catalyst was studied.As a result,CeO2/ACF shows a better catalysis than MNOx/ACF,which is not affected by the reaction temperature. NO conversion of 85% is reached with the 10%-CeO2/ACF catalyst at the whole temperature window.Furthermore,a series of MnOx-CeO2/ACF composite catalysts were studied.The results show that the loading method of catalyst affects its activity.展开更多
根据Advanced Chemical Oxidation的原理,通过ACF电极的引入,使得电化学处理成为一个自由基反应与絮凝反应相结合的过程,对于多种模拟印染废水可以具有良好的处理效果。通过与其他方法的对比实验,表明在色度去除率方面不比Fenton试剂法...根据Advanced Chemical Oxidation的原理,通过ACF电极的引入,使得电化学处理成为一个自由基反应与絮凝反应相结合的过程,对于多种模拟印染废水可以具有良好的处理效果。通过与其他方法的对比实验,表明在色度去除率方面不比Fenton试剂法逊色,并明显优于絮凝法。经过单级处理,对于实验范围内的还原染料、酸性染料、活性染料及硫化染料,其脱色率全部大于90％,大多数为98％～100％。TOC去除率基本在50％～70％之间。展开更多
文摘The selective catalytic reduction(SCR) of NOx using MnOx and CeO2 supported on viscose-based active carbon fibers(ACF) at 120 ℃～270 ℃ relatively lower than the temperature when using V2O5/TiO2-anatase catalyst was studied.As a result,CeO2/ACF shows a better catalysis than MNOx/ACF,which is not affected by the reaction temperature. NO conversion of 85% is reached with the 10%-CeO2/ACF catalyst at the whole temperature window.Furthermore,a series of MnOx-CeO2/ACF composite catalysts were studied.The results show that the loading method of catalyst affects its activity.
文摘根据Advanced Chemical Oxidation的原理,通过ACF电极的引入,使得电化学处理成为一个自由基反应与絮凝反应相结合的过程,对于多种模拟印染废水可以具有良好的处理效果。通过与其他方法的对比实验,表明在色度去除率方面不比Fenton试剂法逊色,并明显优于絮凝法。经过单级处理,对于实验范围内的还原染料、酸性染料、活性染料及硫化染料,其脱色率全部大于90％,大多数为98％～100％。TOC去除率基本在50％～70％之间。
