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首页> 外文会议>International Water Conference >Design and Start-up of a Full-scale Biological Selenium Removal System for Flue Gas Desulfurization (FGD) Wastewater from a Power Generating Station
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Design and Start-up of a Full-scale Biological Selenium Removal System for Flue Gas Desulfurization (FGD) Wastewater from a Power Generating Station

机译：从发电站烟道气脱硫（FGD）废水的全尺寸生物硒去除系统的设计与启动

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This paper describes the design, start-up and commissioning of a full-scale biological treatment system that was installed at a coal-fired power generating station to remove selenium and nitrates from a Flue Gas Desulfurization (FGD) blowdown stream. The new patented iBIO~? wastewater treatment (WWT) system, which was first pilot-tested at power generating stations, is based on a suspended-growth continuously stirred-tank anaerobic reactor that has been seeded with a source of commonly available anaerobic microorganisms which were subsequently acclimated to remove selenium from the FGD wastewater. This new innovative WWT system was integrated into the existing FGD wastewater treatment units at the power generating station to provide the additional selenium removal capability from the wastewater. This demonstrated biological selenium removal treatment system provides a robust and cost-effective alternate technology to coal-fired utilities that use FGD wet scrubbers to control their sulfur oxide (SOx) emissions with the additional need to consistently meet the more stringent lower-level selenium,effluent limits.
机译：本文介绍了安装在燃煤发电站的全尺寸生物处理系统的设计，启动和调试，以从烟道气脱硫（FGD）排污物流中除去硒和硝酸盐。新专利的ibio〜？污水处理（WWT）系统首次在发电站进行试验，基于悬浮的连续搅拌罐厌氧反应器，其被播种为常见的厌氧微生物来源，随后将其适应除去硒来自FGD废水。该新型创新的WWT系统集成到发电站的现有FGD废水处理单元中，以提供从废水中的额外硒去除能力。这次展示的生物硒去除处理系统为使用FGD湿式洗涤器来控制其硫氧化物（SOX）排放的燃煤公用事业提供了坚固且经济效益的替代技术，以额外地满足更严格的低级硒，流出物限制。

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