| N掺杂TiO_2光催化还原地下水中硝酸盐 |
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| 引用本文： | 崔宝臣,王萌,刘淑芝,陈玉琳,王晓雪.N掺杂TiO_2光催化还原地下水中硝酸盐[J].环境科学学报,2010,30(8):1622-1626. |
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| 作者姓名： | 崔宝臣 王萌 刘淑芝 陈玉琳 王晓雪 |
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| 作者单位： | 东北石油大学化学化工学院,大庆,163318 |
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| 基金项目： | 黑龙江省教育厅基金资助项目（No.11511017）；东北石油大学大学生创新性实验计划资助项目 |
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| 摘 要： | 以硫酸钛为前驱体,采用水热沉淀法制备TiO2光催化剂,采用扫描电子显微镜(SEM)、X-射线能谱(EDS)、X-射线衍射(XRD)、傅立叶红外光谱仪(FTIR)和光电子能谱仪(XPS)进行表征和分析,考察了硫酸钛浓度、焙烧温度对光催化还原水中硝酸盐活性的影响.结果表明,制备的催化剂为掺杂N的锐钛矿型TiO2.硫酸钛浓度为0.5mol.L-1、焙烧温度为400℃时制备的催化剂活性最佳,反应120min后,硝酸盐转化率为95.8%,中间产物NO--N浓度为0.17mg·mL-1,副产物NH+-N浓度为1.52mg·mL-1.
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| 关 键 词： | 光催化 二氧化钛 N掺杂 还原 硝酸盐 |
| 收稿时间： | 2009/12/27 0:00:00 |
| 修稿时间： | 1/27/2010 8:42:14 AM |
Photocatalytic reduction of nitrate in underground water over N-doped TiO2 |
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| CUI Baochen,WANG Meng,LIU Shuzhi,CHEN Yulin and WANG Xiaoxue.Photocatalytic reduction of nitrate in underground water over N-doped TiO2[J].Acta Scientiae Circumstantiae,2010,30(8):1622-1626. |
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| Authors: | CUI Baochen WANG Meng LIU Shuzhi CHEN Yulin and WANG Xiaoxue |
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| Institution: | College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318,College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318,College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318,College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318 and College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318 |
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| Abstract: | |
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| Keywords: | photocatalytic catalysis titanium dioxide N-doping reduction nitrate |
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