Metal removal mechanisms in a short hydraulic residence time subsurface flow compost wetland for mine drainage treatment
نویسندگان
چکیده
The performance of an innovative pilot-scale subsurface flow compost wetland for the attenuation of zinc in mine drainage was investigated. The particular novelty of the system, which operated under ambient environmental conditions, was the short hydraulic residence time (HRT) of 7.5 – 14.5 hours. Short HRT is crucial because it reduces absolute wetland size and construction cost, which can be major impediments to use of wetlands. Over a 2 year period mean treatment efficiency was 67.5% (total Zn) and
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