【摘要】 以ZnO,Cu（NO₃）₂和MnSO₄等为原料制得ZnO负载铜锰双金属（CMZ）催化剂,并在H₂O₂/NaHCO₃体系中氧化分解甲基橙（MO）,通过XPS,AAS,UV-vis等方法分析了CMZ催化剂的组成,考察了反应条件对催化氧化反应的影响,对MO氧化分解原理进行了初步分析。实验结果表明,氧化分解MO适宜的反应条件为:催化剂用量2 g/L,n（H₂O₂）∶n（MO）=160∶1,n（NaHCO₃）∶n（H₂O₂）=1∶1,MO质量浓度20 mg/L,初始pH=8.4,反应温度35℃。在该条件下,反应120min后MO的氧化分解率达到81.17%。该体系适合处理碱性MO废水。更多还原

【Abstract】 With ZnO,Cu（NO₃）₂ and MnSO₄ as raw materials,supported copper and manganese bimetallic（CMZ） catalyst was prepared and was applied to oxidize azo dyes methyl orange（MO） in H₂O₂/NaHCO₃ system. The composition of CMZ catalyst,the factors influencing oxidation and the oxidation decomposition principle of MO were characterized by XPS,AAS,and UV-vis. The results indicate that the optimum conditions for oxygenolysis MO were:catalyst dosage 2 g/L,n（H₂O₂） ∶ n（MO） 160 ∶ 1,n（NaHCO₃） ∶ n（H₂O₂） 1 ∶ 1,MO mass concentration 20 mg/L,initial p H 8.4,and reaction temperature 35 ℃. Under the optimum conditions,81.17% of MO was removed after 120 min. CMZ catalyst was suitable for treatment of MO in alkali aqueous solution.更多还原