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磺化碳材料固载Fe2+催化甲基橙降解反应

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Indexed by:期刊论文

Date of Publication:2009-02-01

Journal:催化学报

Included Journals:SCIE、PKU、ISTIC、CSCD

Volume:30

Issue:2

Page Number:142-146

ISSN No.:0253-9837

Key Words:碳材料;磺化;Fenton 反应;甲基橙;降解;固体酸

Abstract:以葡萄糖为原料制备的磺化碳材料作为Fenton反应过程中固体酸及载体,研究了磺化碳材料结构对Fe2+的负载能力及其对甲基橙降解反应的催化性能. 结果表明,直接加热法制备的磺化碳材料呈致密块状结构,对Fe2+几乎没有负载能力; 而水热法制备的磺化碳材料呈相互交联的纳米粒子,室温下对甲基橙表现出较好的降解性能(甲基橙降解率可达79%以上). 反应过程中溶液的pH=2.4~3.2, 在碳材料中引入 - SO3H基实现了固体酸代替液体酸的目的.

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