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首页> 外文期刊>RSC Advances >Lead ions removal from aqueous solution in a novel bioelectrochemical system with a stainless steel cathode
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Lead ions removal from aqueous solution in a novel bioelectrochemical system with a stainless steel cathode

机译：在带有不锈钢阴极的新型生物电化学系统中从水溶液中去除铅离子

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Heavy metal pollution, especially lead pollution in water, has been a growing concern due to the toxicity of lead to human and other beings. According to previous reports, bioelectrochemical systems (BESs) showed significant advantages in heavy metal ions removal, but have not been considered for Pb2+ removal. In this study, a novel BES with stainless steel cathode distinguished with traditional BESs was employed with mixed culture as biocatalyst for removing Pb2+ from solution. The results indicated Pb2+ could be effectively removed and hydrocerussite as the final product confirmed by X-ray diffraction was deposited on the stainless steel cathode. Furthermore, the principle of Pb2+ removal was deduced based on the experiment of the reduction of ferricyanide in the stainless steel tube-type BES. In brief, we suggested a novel low-cost approach to remove and recover Pb2+ from Pb2+-containing wastewater.
机译：由于铅对人类和其他生物的毒性，重金属污染（尤其是水中的铅污染）已引起越来越多的关注。根据以前的报告，生物电化学系统（BESs）在去除重金属离子方面显示出显着优势，但尚未考虑去除Pb2 +。在这项研究中，与传统BESs区别对待的新型带有不锈钢阴极的BES被用于混合培养作为从溶液中去除Pb2 +的生物催化剂。结果表明，可以有效去除Pb2 +，并且通过X射线衍射确认的最终产物水合硅铁矿沉积在不锈钢阴极上。此外，根据不锈钢管式BES中铁氰化物还原的实验推导了Pb2 +去除的原理。简而言之，我们提出了一种新颖的低成本方法来从含Pb2 +的废水中去除和回收Pb2 +。

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