以BiFeO3和H2O2组成多相类Fenton体系催化降解孔雀石绿(malachite green,MG)染料废水.研究结果表明:当pH值为8.5,BiFeO3用量为0.8 g/L,H2O2体积百分数为1.00%,染料废水初始浓度为150 mg/L,温度为313K,反应时间为60 min时,孔雀石绿染料废水褪色率能达到99%以上.反应动力学实验表明该过程近似为一级反应,在313 K时反应速率常数为0.1062 min-1,表观活化能为40.886 kJ/mol.
参考文献
[1] | 何立平,杨迎春,徐成华,叶芝祥,刘盛余.Fe/活性炭多相类Fenton法湿式氧化罗丹明B废水的研究[J].环境工程学报,2009(08):1433-1437. |
[2] | 张瑛洁,马军,宋磊,柳旭升,赵吉,吴培瑛.树脂负载Fe3+/Cu2+多相类芬顿降解染料橙黄[J].环境科学学报,2009(07):1419-1425. |
[3] | Ramirez JH;Maldonado-Hodar FJ;Perez-Cadenas AF;Moreno-Castilla C;Costa CA;Madeira LM .Azo-dye Orange II degradation by heterogeneous Fenton-like reaction using carbon-Fe catalysts[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2007(3/4):312-323. |
[4] | 阳立平,肖贤明.Fenton法在焦化废水处理中的应用及研究进展[J].中国给水排水,2008(18):9-13. |
[5] | 燕启社,孙红文,周长波,徐晓阳.类Fenton氧化在污染土壤修复中的应用[J].生态环境,2008(01):216-220. |
[6] | 陶长元,丁小红,刘作华,杜军,刘仁龙.Fenton类氧化技术处理有机废水的研究进展[J].化学研究与应用,2007(11):1177-1180. |
[7] | Baldrian P;Merhautova V;Gabriel J;Nerud F;Stopka P;Hruby M;Benes MJ .Decolorization of synthetic dyes by hydrogen peroxide with heterogeneous catalysis by mixed iron oxides[J].Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications,2006(3/4):258-264. |
[8] | 何丽华,沈国顺,邹伟,刘永,李晟阳.孔雀石绿及其危害[J].吉林畜牧兽医,2006(05):45-46,48. |
[9] | 段冬,吴德礼,马鲁铭.新型类Fenton催化剂用于酸性红B染料废水处理的研究[J].环境工程学报,2010(11):2413-2418. |
[10] | Wai P. Kwan;Bettina M. Voelker .Rates of hydroxyl radical generation and organic compound oxidation in mineral-catalyzed Fenton-like systems[J].Environmental Science & Technology: ES&T,2003(6):1150-1158. |
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