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Oxygen transfer efficiency and flow pattern in double-chamber aerated biological filter
Author(s): 
Pages: 41-44
Year: Issue:  8
Journal: WATER & WASTEWATER ENGINEERING

Keyword:  双室(层)曝气生物滤池充氧性能氧传质系数流态推流式反应器;
Abstract: 研究了双室(层)曝气生物滤池(DBAF)的充氧性能和流态特征,结果表明氧传质系数与曝气强度成正比,加滤料前后氧传质系数的差别与曝气强度的大小有关,曝气强度较低时,两者相差40%,随着曝气强度的增加,两者逐渐接近.DBAF可用n值为8~10阶式CSTR描述,流态接近推流式反应器.降低水力负荷和增大滤料高度时,DBAF的流态更趋近于推流式.
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