Fly Ash Enhancement Efficacy of Modified Anerobic Baffled Reaction (MABR) in Treatment of low Strength wastewater
In order to enhance the efficacy of Modified anerobic baffled reaction (opposite folded plate anaerobic reaction) in low strength wastewater treatment, fly ash was mixed into inoculated anaerobic sludge. The results indicated that the start-up of all three test reactors run with fly ash enhancement was shortened markedly, and was completed after 50 days of operation. Average COD removal efficiencies of the 1＃, 2＃ and 3＃ reactors with different fly ash particle sizes (＞83 μm, 20～83 μm and ＜20 μm) were 74.31％, 77.2％ and 72.81％; average TP removal efficiencies were 32.87％, 34.07％ and 30.92％; and specific methane production capacities were 2.21, 2.33 and 2.04 mL·g-1·h-1, respectively. The results of operation at short HRTs indicated that the optimal particle size of the fly ash was 20～83 μm. Based on the experimental results, the mechanism of fly ash enhancement of MABR efficacy and the reasons why fly ash particles of 20～83μm obtained optimal efficacy are described.
fly ash anaerobic sludge specific mathane production capacity mechanism
Xiangkui Han Changbing Ye
School of Municipal and Enviromental Engineering Jilin Architectural and Civil Engineering Institute College of Resources and Environment Yuxi Normal University Yuxi,China
国际会议
北京
英文
1-4
2009-06-11（万方平台首次上网日期，不代表论文的发表时间）