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矿化垃圾生物反应床处理印染废水的工艺参数优化及优势菌群

Keywords: 矿化垃圾,生物反应床,印染废水,工艺参数,优势菌群

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Abstract:

为了探讨矿化垃圾再利用于印染废水处理的可行性,研究了矿化垃圾生化反应床处理模拟印染废水的工艺参数,进行了优势菌群的镜检和提取、培养,实验结果表明,适宜的工艺运行参数如下为水力停留时间12~24h,水力负荷100~140L/(m3·d),COD污染负荷240~360g/(m3·d),布水周期为24h条件下的进水历时为6h;适宜的工艺运行参数条件下,矿化垃圾生化反应床对模拟印染废水的COD去除率97%以上,总磷去除率95%以上,氨氮的去除率在98%以上;处理模拟印染废水的矿化垃圾生化反应床内的微生物群落以球菌为主,该菌体对模拟印染废水具有良好的专性降解作用。研究结果将对矿化垃圾的再利用和印染废水的处理提供一定的技术参考。

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