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整体多通道Fe-Fe2O3活化H2O2降解苯酚性能研究

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Indexed by:Journal Papers

Date of Publication:2019-09-15

Journal:大连理工大学学报

Included Journals:PKU

Volume:59

Issue:5

Page Number:462-466

ISSN No.:1000-8608

Key Words:整体多通道;Fe2O3;非均相芬顿反应

Abstract:采用阳极氧化法成功制备出整体多通道Fe-Fe2 O3,并以整体多通道Fe-Fe2 O3为阴极,铂片为阳极,外加H2 O2,构建非均相芬顿体系,利用电催化作用促进Fe(Ⅲ)还原为Fe(Ⅱ).结果显示:在溶液pH为7,H2 O2浓度为1.0 mmol/L,施加电压为-0.4 V的条件下,苯酚去除率在60 min内能够达到96%,这表明整体多通道Fe-Fe2 O3是较理想的非均相催化剂.ICP溶出测试结果说明,电催化作用能够有效促进Fe(Ⅲ)还原为Fe(Ⅱ),从而提高催化效率.

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