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首页> 外文会议>American Chemical Society Division of Environmental Chemistry Symposium >CHARACTERIZATION OF MICROBIAL COMMUNITIES AND KINETICS OF BIOLOGICAL Mn(II) OXIDATION IN COAL MINE DRAINAGE TREATMENT SYSTEMS
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CHARACTERIZATION OF MICROBIAL COMMUNITIES AND KINETICS OF BIOLOGICAL Mn(II) OXIDATION IN COAL MINE DRAINAGE TREATMENT SYSTEMS

机译：煤矿排水处理系统中微生物群体微生物群和生物Mn（II）氧化的特征

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摘要

The removal of Mn(II) from acid mine drainage (AMD) is a significant problem for both operating and abandoned mines in Pennsylvania and across the United States. According to the US Office of Surface Mining (OSM) mine drainage inventory, Mn(II) is being treated at more than 700 mine sites in Appalachia.Vail and others have shown that Mn(II) can be removed passively from mine drainage through the use of limestone beds (VaiL and Riley, 2000). Passive removal of Mn(II) is desirable as it eliminates the need for chemical reagent and the annual treatment costs can be a small fraction compared to active treatment. The success of passive Mn(II) removal systems has been variable due to a lack of design criteria and a poor understanding of the mechanisms that govern Mn(II) oxidation at circumneutral pH.
机译：从酸性矿山排水（AMD）中除去Mn（II）是宾夕法尼亚州和美国在美国的经营和废弃地雷的重大问题。根据美国表面采矿办公室（OSM）矿山排水库存，MN（II）在Appalachia的700多个矿场待遇。其他人表明MN（II）可以通过矿井排水被动地除去使用石灰石床（Vail和Riley，2000）。无源去除Mn（II）是理想的，因为它消除了对化学试剂的需求，与活性处理相比，年治疗成本可以是小的分数。由于缺乏设计标准和对围绕循环pH氧化的机制的理解缺乏理解，被动MN（II）去除系统的成功变化。

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