《典型农药废水电化学反应器的设计与制造》-毕业论文（设计）.docVIP

精品 精品 本科毕业论文 典型农药废水电化学 反应器的设计与制造 专 业 应用化学 班 级 B应化082 学 号 0710302222 学生姓名 指导教师 完成日期 2012年6月9日 典型农药废水电化学反应器的设计与制造 摘 要：本设计采用的框板式电化学反应器适用于典型农药废水的电解氧化处理工艺，尤其是含苯酚废水的电解氧化处理工艺。应用电极为IrO2- Sn/Ti电极，该电极具有很好的催化性，具有较高超电位，能较好的抑制氧气在阳极上析出，提高电流效率，具有良好的电化学性能和较长的使用寿命。 对苯酚废水的电催化降解研究结果表明，在控制要求为处理COD为1000 mg/L的废水100 L/h，COD去除率约为70 %时所设定电化学反应器的电流密度应为30 A/m2，电极的极间距为2 cm，电流效率为70 %，电解槽反应器电压为300 V，设计出的电化学反应器的能耗为1.5 KW·h/kg，阳极片为8片，阴极片为9片，电极面积为0.5×1 m2,，尺寸：长1 m，宽0.36 m，高0.5 m。 关键词：反应器；电极；苯酚废水；电解氧化 Design and manufacturing of electrochemical reactor used in the electrochemical catalytical decomposition for typical pesticide wastewater Abstract: Frame type electrochemical reactor of this design is used in the electrochemical catalytical decomposition for typical pesticide wastewater, especially for the electrolytic oxidation of phenol-containing wastewater. The application of the design electrode of IrO2-Sn/Ti electrode, the electrode has good catalytic, has superb potential, can be better to inhibit the precipitation of oxygen at the anode to improve the current efficiency, with good electrochemical performance and longer service life.This design uses the box-plate cell electrolysis wastewater. On electro-catalytic degradation of phenol waste water research results indicate that controlling requirements to deal with COD to 1000 mg / L of waste water of 100 L/h, the COD removal rate of about 70%, the electrochemical reaction can be set current density of 30 A/m2, pole spacing of the electrodes 2 cm, the current efficiency of 70 % and cell voltage of 300 V. In the electrochemical reactor, we can design the energy consumption of the electrochemical reactor of 1.5 KW·h/kg, anode piece of eight, cathode piece of nine, each piece of the electrode area of 0.5×1 m2, size:Length 1 m, 0.34 m wide, and 0.5 m high. Key words:Reactor electrodes；phenol wastewater；electrolytic oxidation 第一章 文献综述 1.1 研究背景 电化学反应器广泛应用于化工、能源、冶金、机械、电子、环保等各个部门。电化学反应器中发生的主要过程是电化学反应，电化学反应包括两种电极过程（即阳极过程和阴极过程）和反应物在液相中的