期刊
BIORESOURCE TECHNOLOGY
卷 102, 期 21, 页码 9876-9883出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.08.014
关键词
Moving bed sequencing batch reactor; Total nitrogen removal; Polyurethane foam; Simultaneous nitrification and denitrification
资金
- Universiti Sains Malaysia under the Research University (RU) [1001/PKIMIA/815057]
The performance of moving bed sequencing batch reactors (MBSBRs) added with 8 % (v/v) of polyurethane (PU) foam cubes as carrier media in nitrogen removal was investigated in treating low COD/N wastewater. The results indicate that MBSBR with 8-mL cubes achieved the highest total nitrogen (TN) removal efficiency of 37% during the aeration period, followed by 31%, 24% and 19 % for MBSBRs with 27-, 64- and 125-mL cubes, respectively. The increased TN removal in MBSBRs was mainly due to simultaneous nitrification and denitrification (SND) process which was verified by batch studies. The relatively lower TN removal in MBSBR with larger PU foam cubes was attributed to the observation that larger PU foam cubes were not fully attached by biomass. Higher concentrations of 8-mL PU foam cubes in batch reactors yielded higher TN removal. (C) 2011 Elsevier Ltd. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据