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纳米TiO2改性竹炭对空气中苯的吸附与降解

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2008年06期
Page:
5-8
Column:
研究论文
publishdate:
2008-11-30

Article Info:/Info

Title:
Adsorption and degradation of benzene in atmosphere by Nano- TiO2 modified bamboo charcoal
Article ID:
1000-2006(2008)06-0005-04
Author(s):
ZHOU Jian-bin1 DENG Cong-jing1FU Jin-he2 ZHANG Qi-sheng3*
1. College of Chemical Engineering Nanjing Forestry University, Nanjing 210037, China;2. International Center for Bamboo and Rattan, Beijing100102, China;3. Bamboo Engineering Research Center Nanjing Forestry University, Nanjing 210037, China
Keywords:
Nano - TiO2 Modified bamboo charcoal Adsorption Degradation Benzene
Classification number :
TQ424
DOI:
10.3969/j.jssn.1000-2006.2008.06.002
Document Code:
A
Abstract:
Bamboo charcoal was modified by Nano- TiO2. The properties and structures of modified bamboo charcoal were investigated by FT-IR, EPR and SEM. According to the results, TiO2 could be loaded on the brim and surface of the pores in bamboo carbon without blocking them. The amount of non-conjugated electron in modified bamboo charcoal was raised from 8.7 × 1013 to 8.9 × 1017. Purification of benzene in atmosphere by modified bamboo charcoal was determined by GC. The results indicated that modified bamboo charcoal could degrade benzene into carbon dioxide and water. The best efficieney of degrading benzene was obtained under ultraviolet irradiation. When the content of TiO2 reached 3% , the purification rate was up to 93.50% using modified bamboo charcoal for 12 hours.

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Last Update: 2013-05-20