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A comparative study of two groundwater treatment pilot plants

机译:两种地下水处理中试厂的比较研究

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This paper reports comparative results of two pilot plant technologies applied for iron and manganese removal from groundwater as part of the drinking water treatment. The first technology (FOF) consisted of a two step filtration by using Romanian natural zeolite of two granulations, and ClO_2 as an oxidant and disinfecting agent, ClO_2 injection was split between two columns filled with two different granulation of Romanian zeolite used as filters. The second technology (OFMU) consisted of ClO_2 oxidation, one step filtration by using Romanian natural zeolite, and microfiltration-ultrafiltration. The first technology achieved good performance. The residual concentration of iron and manganese decreased below the allowed maximum concentration (0.2 mg~*L~(-1) for iron and 0.05 mg~*L(-1) for manganese). The second technology indicated a good performance only for iron removal, while the residual concentration of manganese was over the allowed maximum concentration.
机译:本文报告了两种用于饮用水中除铁和除锰的中试技术的比较结果。第一项技术(FOF)包括两步制法,即使用罗马尼亚天然沸石将两个颗粒进行过滤,并以ClO_2作为氧化剂和消毒剂,然后将ClO_2进样在两根色谱柱之间进行分流,并填充两块不同粒度的罗马尼亚沸石作为过滤器。第二种技术(OFMU)包括ClO_2氧化,使用罗马尼亚天然沸石的一步过滤以及微滤-超滤。第一项技术取得了良好的性能。铁和锰的残留浓度降低到允许的最大浓度以下(铁为0.2 mg〜* L〜(-1),锰为0.05 mg〜* L(-1))。第二种技术表明仅在除铁方面表现出良好的性能,而锰的残留浓度超过了允许的最大浓度。

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