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排污单位如何确定活性炭更换周期?
  • 11/20 00:00
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按照《省生态环境厅关于将排污单位活性炭使用更换纳入排污许可管理的通知》,排污单位如何确定活性炭更换周期?

02/15 09:32

活性炭更换周期的确定,主要要参考污染控制设施的工艺参数和操作条件,要实际检测活性炭的污染吸附性能,根据活性炭的使用周期换新程度,选择合适的活性炭更换周期。一般来说,使用周期没有固定的时间限制,它会根据污水的性质、运行状态等多种因素而有所不同。一般情况下,活性炭每月更换换新一次,如果排放的污水水质极差,则每两周或者更短时间旿换污染吸附剂,以确保系统污染物的有效控制。


11/20 00:39

根据《省生态环境厅关于将排污单位活性炭使用更换纳入排污许可管理的通知》(以下简称《通知》)要求,排污单位应优先根据活性炭吸附处理设施设计方案确定更换周期,对于无设计方案或实际建设情况与设计方案不符时,参照《通知》中更换周期公式T=m×s÷(c×10-6×Q×t)进行计算(详见《通知》附件)。 其中,更换周期计算公式中参数应采用实际运行时正常工况下自行监测数据。如风量(Q)应采用监测实测风量;活性炭削减的VOCs浓度(c)为监测实测活性炭工段进口浓度与出口浓度的差值;动态吸附量(s)10%为参考值,如采用理论动态吸附量超过10%的活性炭,能提供供应商试验得出的动态吸附量证明或其他可说明选用数值出处的证明,可参照证明给出的数值进行计算。


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