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Abstract:
倒置A2/O脱氮除磷工艺优化控制方法属于污水生物处理领域。由于我国城市污水中C/N比普遍偏低,为了提高工艺脱氮除磷效果,利用倒置A2/O反应器,通过外加碳源使得进水C/N比为7、相应C/P比为75,结果表明:在缺氧/厌氧区水力停留时间101min;好氧区水力停留时间为385min;回流比120%;二沉池沉淀时间83min;污泥龄8d;水温22-25℃的反应条件下,TP、NH4+-N由进水的3.9mg/L、41.04mg/L降为出水时的0.21mg/L、0.69mg/L,出水的N、P均达到国家一级A排放标准,其中TP去除率95%,NH4+-N去除率98.3%,TN去除率66.5%。
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Patent Info :
Type: 发明申请
Patent No.: CN200710118066.0
Filing Date: 2007-06-28
Publication Date: 2007-11-21
Pub. No.: CN101074137A
Applicants: 北京工业大学
Legal Status: 撤回-视为撤回
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 7
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