【摘要】 在传统电化学方法的基础上,提出了铁铝交流脉冲电凝聚法（ACPE）处理制药废水的方法。初步探索了铁铝ACPE处理黄连素制药废水的机理。在实验室条件下进行了可处理性和机理研究。对于黄连素废水(800mg·L^-1),脱色当电压为8V,反应时间为60min,交替周期为10s,电解质浓度为0.015mol·L^-1,搅拌速度为750r·min^-1,pH值为3～10,两板间距为0.6cm时,去除率最高,分别为98%和95%。对黄连素的去除,通过紫外-可见吸收光谱分析、酸化实验、乙二胺四乙酸（EDTA）屏蔽实验、构效关系、氧化和浮选实验,得出絮凝、浮选和氧化的去除效率分别为73%、8%和18%。200和400～1000mg·L^-1黄连素废水的脱色和COD去除分别符合表观拟一级和零级动力学。该方法对提高黄连素废水的处理效率和降低功耗具有指导意义。更多还原

【Abstract】 On the basis of traditional electrochemical methods, the periodic reversal electrocoagulation of iron and aluminum（ACPE） was proposed to treat pharmaceutical wastewater. The mechanism of treating berberine pharmaceutical wastewater by Fe-Al ACPE was preliminarily explored. The treatability and mechanism were studied under laboratory conditions. For berberine wastewater(800 mg·L^-1), the highest removal rate was 98% and 95%when the voltage was 8V, the reaction time was 60 min, the alternating period was 10s, the electrolyte concentration was 0.015 mol·L^-1, the stirring speed was 750 r·min^-1, the pH value was 3 ～10 and the distance between the two plates was 0.6 cm. The removal efficiencies of berberine by flocculation, flotation and oxidation were 73%, 8% and 18% respectively through ultraviolet-visible absorption spectrum analysis, acidification experiment, EDTA shielding experiment, structure-activity relationship, oxidation and flotation experiments. Decolorization and COD removal of 200 and 400～1000 mg·L^-1 berberine wastewater accord with apparent pseudo-first-order and zero-order kinetics,respectively. This method had guiding significance for improving the treatment efficiency and reducing power consumption of berberine wastewater.更多还原