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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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so2和no浓度对tio2-硅酸铝纤维脱除元素汞的影响
, PP. 630-635
Keywords: 纳米tio2复合材料,光催化,so2,no,脱汞
Abstract:
？使用溶胶凝胶法制备了tio2-硅酸铝纤维纳米复合材料。使用此复合材料在波长为253.7nm的紫外光照射下脱除模拟烟气中的元素汞,实验研究了so2和no浓度对光催化脱汞的影响以及温度对脱汞率的影响。结果表明,常温时烟气中so2浓度对光催化脱汞表现出促进作用,当so2浓度为1200μg/m3时脱汞率最高可达93%。no浓度对光催化脱汞表现出抑制作用,随着no浓度的增加脱汞率逐渐降低。高温时so2和no浓度对光催化脱汞的作用规律与常温时相似。随着模拟烟气温度的升高,脱汞率逐渐减低,升高温度对光催化脱汞表现出抑制作用。
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