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以钛酸丁酯、正硅酸乙酯、无水乙醇等为原料,采用Sol-Gel法制备TiO2-SiO2光催化剂,通过单因素实验得到最佳制备工艺条件为:n(钛酸丁酯):n(正硅酸乙酯)为2.33:1,煅烧温度为600℃,煅烧时间为3h,反应溶液pH值为3。当进水CODCr为379.5mg/L,TiO2.SiO2光催化剂的投加量为0.5g/L,紫外光照时间为3h时,出水CODCr为67.8mg,/L。TiO2-SiO2光催化剂颗粒大小为100—500nm,具有较高的催化活性和稳定性,可以多次重复使用。对比实验表明,TiO2-SiO2处理制浆中段废水的效率比TiO2高。
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中国造纸
ISSN: 0254-508X
Year: 2012
Issue: 1
Page: 28-32
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count: -1
30 Days PV: 2
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