杨凤林
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反硝化除磷颗粒污泥培养方式的对比实验研究
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Indexed by:期刊论文

Date of Publication:2009-11-05

Journal:环境工程学报

Included Journals:ISTIC、CSCD

Volume:3

Issue:11

Page Number:2061-2066

ISSN No.:1673-9108

Key Words:反硝化除磷;好氧颗粒污泥;SBAR;DPAOs

Abstract:采用两完全相同的气升式问歇反应器(SBAR)进行反硝化除磷颗粒污泥培养方式的对比实验研究.R1始终以厌氧/好氧/缺氧(A/O/A)模式运行,在颗粒化的同时富集反硝化除磷菌(DPAOs);R2以厌氧/好氧(A/O)模式培养颗粒,待颗粒形成后加入缺氧段,形成A/O/A模式,强化富集DPAOs.结果表明,R2中颗粒化时间较短,但所形成颗粒的沉降速率和比重分别为30.4 m/h和1.022 g/cm~3,低于R1培养颗粒的35.9 m/h和1.061 g/cm~3;R1中颗粒对于COD、NH_4~+-N、TN和TP的平均去除率分别是86%、98%、82%和91%,高于R2中的86%、99%、74%和66%;反应器运行至183 d时,DPAOs所占比例分别为44.7%和20.9%.

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Gender:Male

Alma Mater:大连工学院

Degree:Master's Degree

School/Department:环境学院

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