一种新型石墨电极的制备及其对苯酚的去除

为了探索一种对有机废水处理有效、廉价、来源广泛、环境友好的电极，以石墨、环氧树脂、固化剂和丙酮为原料，研究制备了一种新型石墨电极 (NGE). 分别采用热水浸泡、乙醇溶液回流、丙酮回流、超声-丙酮回流以及电化学法对制备的石墨电极进行预处理，前三者效果较差，超声-丙酮回流可改善处理效果，但不够理想，电化学法可取得满意的效果.苯酚降解的UV光谱分析表明，尽管商品石墨电极 (CGE) 比NGE具有更高的苯酚氧化效率，但其电解液积累大量的苯醌，而NGE电解液中苯醌积累量少，并且电解过程中逐渐降低. NGE比CGE具有更好的TOC去除效果，两者TOC去除率分别为40%和31%. SEM分析结果表明，CGE被严重腐蚀，NGE无明显变化，表现出良好的稳定性.

Preparation of a Novel Graphite Electrode and Its Effect on Phenol Degradation

In order to find an effective,stable,environmentally compatible electrode for the elimination of organic pollutants,preparation of a novel graphite electrode(NGE) was explored using graphite,epoxy resin,curing agent and acetone as materials.Water,ethanol aqueous solution,acetone,ultrasound-acetone and electrochemical method were used to pretreat the electrode.The first three methods obtained poor effect.Ultrasound-acetone could improve the pretreatment,but satisfied results were difficult to achieve.Electro...