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电催化氧还原制备H2O2方法及应用进展
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Abstract:
H2O2因其氧化性及环境友好性而广泛应用于生化消毒领域，在纺织、造纸、水处理等行业中需求也逐年增加。蒽醌法是目前工业生产H2O2的主要方法，但该法涉及多步反应，过程溶液处理难，电解法、异丙醇氧化法、氢氧直接合成法等也存在能耗高和安全系数低等问题。电催化氧还原制备法是一种便捷、经济和环境友好的方式，具有反应条件简单、生产过程清洁、反应过程安全等优点。本文阐述了电催化氧还原制备过氧化氢的基本原理，结合近年来的研究成果归纳了该方法制备H2O2的主要技术进展，分析了影响制备效率的关键影响因素，展望了利用氧还原法快速原位制备H2O2并应用于洗消领域的新发展方向。
Hydrogen peroxide is widely used in the field of biochemical disinfection due to its oxidizing and environmentally friendly properties, and its demand in industries such as textiles, paper making, and water treatment is also increasing year by year. The anthraquinone method is currently the main method for industrial production of hydrogen peroxide, but it involves multi-step reactions and is difficult to treat the process solution. Electrolysis, isopropanol oxidation, and direct synthesis of hydrogen and oxygen also have high energy consumption and low safety factors. The electrocatalytic oxygen reduction preparation method is a convenient, economical, and environmentally friendly method, which has the advantages of simple reaction conditions, clean production process, and safe reaction process. This article elaborates on the basic principle of electrocatalytic oxygen reduction to prepare hydrogen peroxide, summarizes the main technological progress of this method in preparing hydrogen peroxide, analyzes the key influencing factors on preparation efficiency, and looks forward to the new development direction of using oxygen reduction method to quickly prepare hydrogen peroxide in situ and apply it in the field of washing and disinfection.
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