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竹活性炭比表面积及其孔径对TiO_2/BAC光催化降解甲醛性能的影响
引用本文:崔丹丹,蒋剑春,孙康,卢辛成.竹活性炭比表面积及其孔径对TiO_2/BAC光催化降解甲醛性能的影响[J].安徽农业科学,2011,39(4):2113-2115,2119.
作者姓名:崔丹丹  蒋剑春  孙康  卢辛成
作者单位:中国林业科学研究院林产化学工业研究所,生物质化学利用国家工程实验室,国家林业局林产化学工程重点开放性实验室,江苏省生物质能源与材料重点实验室,江苏南京,210042
基金项目:国家科技支撑项目,林业公益性行业专项
摘    要:目的]研究竹活性炭比表面积及其孔径对TiO2/BAC光催化降解甲醛性能的影响。方法]以竹子为原料,按照不同浸渍比,用磷酸活化法制备不同孔径和比表面积的系列竹活性炭(BAC)作为载体;通过溶胶凝胶法制备负载型光催化剂(TiO2/BAC),以水溶液中的甲醛作为目标污染物,考察所得的一系列负载型光催化剂的光催化性能;采用氮气吸附、SEM进行表征,研究了竹活性炭的孔径和比表面积对负载型光催化剂性能的影响。结果]竹活性炭吸附和TiO2光解的协同效应使TiO2/BAC光催化剂对水溶液中甲醛的处理效率显著提高;比表面积较大、微孔较多、平均孔径为2~3 nm的竹活性炭有利于TiO2的负载,制备得到的复合光催化活性较高。结论]为TiO2光催化剂的固化负载研究提供了理论依据。

关 键 词:竹活性炭  比表面积  孔径  二氧化钛  甲醛

Effects of Specific Surface Area and Pore Size of Bamboo Activated Carbon on Photocatalysis of Formaldehyde on TiO_2/BAC
CUI Dan-dan et al.Effects of Specific Surface Area and Pore Size of Bamboo Activated Carbon on Photocatalysis of Formaldehyde on TiO_2/BAC[J].Journal of Anhui Agricultural Sciences,2011,39(4):2113-2115,2119.
Authors:CUI Dan-dan
Institution:CUI Dan-dan et al(National Engineering Lab.for Biomass Chemical Utilization,Key and Open Lab.on Forest Chemical Engineering of SFA,Key Lab.of Biomass Energy and Material of Jiangsu Province,Institute of Chemical Industry of Forest Products,Chinese Academy of Forestry,Nanjing,Jiangsu 210042)
Abstract:Objective] The aim was to study effects of specific surface area and pore size of bamboo activated carbon on photocatalysis of formaldehyde on TiO2/BAC.Method] Bamboo,as raw material,was activated with different dosages of phosphoric acid in order to produce bamboo activated carbon(BAC) with different specific surface areas and pore sizes.Composites of TiO2 and bamboo activated carbon(TiO2/BAC) were achieved through sol-gel method,and their photocatalytic performance of TiO2/BAC catalysts was studied by r...
Keywords:Bamboo activated carbon  Specific surface area  Pore size  Titanium dioxide  Formaldehyde  
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