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镧掺杂TiO2光催化降解酸性红B的研究

SUN Liu,WANG Peng

Textile Dyeing and Finishing Journal（2006）

Cited 14|Views4
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Abstract
采用溶胶-凝胶法制备了La3+/TiO2光催化剂,在模拟太阳光照射下,考察了该催化剂对酸性红B的光催化降解效果.结果表明:掺杂量ω(La3+)1%、催化剂用量1g/L、通气量100mL/min、体系pH值是7时,50mg/L的酸性红B经3 h光催化降解,其降解率可达92.9%.与纯TiO2相比,La3+/TiO2光催化剂显示出良好的太阳光催化活性.
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Key words
Acid Red B DYESAND AUXILIARIES,titanium dioxide,La-doped,photocatalysis
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