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Nitrate-based COD Dosing Control for Partial Denitrification Selection Coupled to Anammox

机译:基于硝酸酯的COD计量控制,用于部分脱氮选择偶联到厌氧选择

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Achieving energy neutrality is an important driver for utilities to start investing in both carbon redirection and advanced digestion to enhance energy recovery, as well as in short-cut nitrogen removal technologies to minimize energy consumption. In this study we demonstrate a combination of short-cut nitrogen removal, controlled via AvN control, with a polishing step based on partial denitriflcation (NO_3~→NO_2~-) and anammox (AnAOB), controlled by N03 based COD dosing, to achieve low TIN effluent concentrations which are in compliance with Chesapeake Bay TMDLs. The results demonstrated a robust nitrate based COD dosing control which could able to efficiently monitor partial denitriflcation (PdN) and full denitriflcation (FdN) in desired zones. AvN control shown its ability to be adjusted to meet the extreme low effluent limit (< 3 mg TINT). And low g COD added/g TIN removed ratio of 1.1 was reported when AnAOB was presented.
机译:实现能源中性是用于开始投资碳重定向和先进消化的公用事业的重要驾驶员,以提高能量回收,以及短切氮气去除技术,以最大限度地减少能源消耗。在该研究中,我们证明了通过AVN控制控制的短切氮去除的组合,通过基于部分脱氮(NO_3〜→NO_2〜 - )和厌氧(ANAOB)的抛光步骤,由基于N03基COD计量控制,实现低锡流出浓度,其符合Chesapeake湾TMDLS。结果表明,基于硝酸盐的COD计量控制,其能够有效地监测所需区域中的部分脱氮(PDN)和全脱氮(FDN)。 AVN控制显示其能够进行调整以满足极端低流出限(<3毫克色调)。当呈现ANAOB时,报告了低G COD加入/ G TIN除去比例1.1。

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