胡文伟等[1]研究了用“流炭法”处理印染废水,可以大幅度改善出水水质。刘玉真[2]等田制得阳离子膨润土。Jae-Hyunbae等[3]研究了新型HDTMA一膨润土。Ramakrishna K R等[4]研究了有机膨润土和泥煤对染料的脱色效果。马凤国等[5]哈成CMC—g-CPAM吸附剂。郭向利等[6]以粘土矿物为原料合成了一种新型高效印染废水脱色材料。
化学氧化是目前研究较为成熟的方法。氧化剂一般采用Fenton试剂 Fe 2+,H2O2)、臭氧、氯气、次氯酸钠等。按氧化剂的不同,可将化学氧化分为:臭氧氧化法和芬顿试剂氧化法。臭氧氧化法不产生污泥和二次污染,但是处理成本高,不适合大流量废水的处理,而且CODcr去除率低。通常很少采用单一的臭氧法处理印染废水,而是将它与其它方法相结合,彼此互补达到最佳的废水处理效果。汪晓军等[13]用臭氧一曝气生物滤池工艺处理模拟废水。戴晓红等[14]研究了UV+O3+H202法处理染料废水。赵伟荣等[15]研究了03与生化组合处理印染废水的工艺,生化-物化-03法处理出水的色度指标可完全满足《纺织染整工业水排放物排放标准》的一级排放要求,而03-生化-物化法处理出水的COD不能满足排放要求,生化-物化-O3法不仅可以提高出水水质且可以降低臭氧消耗量。
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