影像科学与光化学 ›› 2002, Vol. 20 ›› Issue (4): 253-261.DOI: 10.7517/j.issn.1674-0475.2002.04.253

• 研究简报 • 上一篇    下一篇

亚硝酸盐的光催化氧化

崔玉民   

  1. 阜阳师范学院化学系, 安徽阜阳, 236032
  • 收稿日期:2001-09-26 修回日期:2001-12-17 出版日期:2002-07-23 发布日期:2002-07-23
  • 基金资助:
    安徽省教育厅自然科学基金资助项目(2001kj184)

PHOTOCATALYTIC OXIDATION OF NITRITE

CUI Yu-min   

  1. Department of Chemistry, Fuyang Teacher’s College, Anhui Fuyang 236032, P. R. China
  • Received:2001-09-26 Revised:2001-12-17 Online:2002-07-23 Published:2002-07-23

摘要: 利用半导体光催化剂Bi2O3对含亚硝酸盐废水的处理进行了研究,并讨论了影响亚硝酸盐氧化率的主要因素.实验结果表明:选择活性较高的Bi2O3作为光催化剂,当其用量为0.050 g,试液pH=3.70,NO2--N起始浓度为 400.0 mg/L,光照1 h时,亚硝酸盐的氧化率达到7.0%.

关键词: 光催化剂, 三氧化二铋, 亚硝酸盐

Abstract: The treatment of waste water containing nitrite over Bi2O3 is studied.The primary factors which influence the oxidation efficiency of nitrite are discussed.The results show that the oxidation efficiency of nitrite can reach 97.0% by using Bi2O3 as photocatalyst,with its quantity of 0.050 g,pH of 3.70,the nitrite’s initial concentration of 400.0 mg/L,illumination time of 1 h.

Key words: photocatalyst, bismuth trioxide, nitrite

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