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Author:

李冬 (李冬.) (Scholars:李冬) | 马金明 (马金明.) | 曾辉平 (曾辉平.) | 张杰 (张杰.) (Scholars:张杰)

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incoPat zhihuiya

Abstract:

基于无硝化A/O生物除磷工艺丝状菌污泥膨胀的恢复方法属于城市生活污水处理与再生领域。借助A/O生物除磷反应器,分两阶段恢复丝状菌膨胀,首先保持负荷为0.40~0.50kgCOD/kgMLSS/d,调节回流比为75%~85%,控制好氧段曝气形成1.4mg/L~1.6mg/L,0.9mg/L~1.0mg/L,0.9mg/L~1.0mg/L的DO梯度曝气以淘汰丝状菌,当SVI值降低至180mL/g~250mL/g范围内时,降低回流比至45%~55%,降低曝气形成0.9mg/L~1.1mg/L,0.4mg/L~0.6mg/L,0.4mg/L~0.6mg/L的DO梯度。在此运行参数条件下,由DO和高负荷冲击(1.54kgCOD/kgMLSS/d)引起的丝状菌膨胀可以得到迅速恢复,SVI由569.8mL/g降至150mL/g以下,对于较轻的丝状菌膨胀恢复时间更短。

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Patent Info :

Type: 发明申请

Patent No.: CN201210105228.8

Filing Date: 2012-04-11

Publication Date: 2012-08-01

Pub. No.: CN102616933A

Applicants: 北京工业大学

Legal Status: 撤回-视为撤回

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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