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首页> 外文会议>International Congress: Arsenic in the Environment >Influence of arsenic surface adsorption and iron reduction on arsenic mobilization and reduction by Shewanella putrefaciens strain CN-32
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Influence of arsenic surface adsorption and iron reduction on arsenic mobilization and reduction by Shewanella putrefaciens strain CN-32

机译：砷表面吸附和铁对砷菌菌株CN-32减少砷动员和减少的影响

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摘要

Arsenic (As) in drinking water and soils poses a serious threat to millions of people worldwide due to its chronic toxicity (Kapaj et al., 2006). The redox transformations of As significantly affect the toxicity and mobility of As in soils, sediments and natural waters. More specifically, reduction of arsenate [As(V)] to arsenite [As(IH)] may increase As toxicity and mobility (Mandal & Suzuki, 2002). At acidic to near-neutral pH, arsenite is generally more mobile than As(V), because As(Tfl) is less strongly sorbed than As(V) to a variety of adsorbents (Smedley & Kinniburgh, 2002).
机译：由于其慢性毒性，砷（AS）在饮用水和土壤中对全球数百万的人构成严重威胁（Kapaj等，2006）。氧化还原转化显着影响土壤，沉积物和天然水中的毒性和流动性。更具体地，将砷酸盐[AS（v）]还原为砷酸盐[AS（IH）]可能随着毒性和移动性（Mandal＆Suzuki，2002）增加。在酸性到近中性pH下，亚砷酸盐通常比（v）更大，因为（tfl）较小的吸附含量低于（v）到多种吸附剂（Smedley＆Kinniburgh，2002）。

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