Bodkhe S Y
Wastewater Technology Division, National Environmental Engineering Research institute, Council of Scientific and Industrial Research, NEERI Post, Nehru Marg, Nagpur, India.
J Environ Manage. 2009 Jun;90(8):2488-93. doi: 10.1016/j.jenvman.2009.01.007. Epub 2009 Feb 23.
A nine-chambered modified anaerobic baffled reactor (MABR) was developed to evaluate its suitability for the treatment of municipal wastewater and to establish the understanding of the relationship between reactor design and operational parameters. The paper presents the configuration of the MABR, its start-up, effect of variation of hydraulic retention time (HRT) on treatment efficiency, and performance evaluation of the MABR while treating the municipal wastewater. To assess the self-inoculation potential of the MABR, the start-up was carried out without seed sludge at a HRT of 6 d. An acclimatization curve was plotted and indicated that a start-up period of 90 d was required for the MABR. Reactor performance evaluation was carried out for 375 d at 11 different HRTs ranging from 6 d to 3h. The HRT of 6h was adjudged to be appropriate for this reactor configuration. At a HRT of 6h, the efficiencies of reduction in suspended solids (SS), biochemical oxygen demand (BOD), and chemical oxygen demand (COD) were found to be 86%, 87% and 84% respectively. Specific biogas yield and methane content were found to be 0.34m(3)CH(4)/KgCODr and 67% respectively. The study has evaluated the performance pattern of the MABR and identified it as a suitable reactor technology for municipal wastewater management in India.
开发了一种九室改良厌氧折流板反应器（MABR），以评估其处理城市污水的适用性，并建立对反应器设计与运行参数之间关系的理解。本文介绍了MABR的结构、启动过程、水力停留时间（HRT）变化对处理效率的影响以及MABR处理城市污水时的性能评估。为了评估MABR的自接种潜力，在水力停留时间为6天的情况下，在没有接种污泥的情况下进行启动。绘制了驯化曲线，表明MABR需要90天的启动期。在6天至3小时的11种不同水力停留时间下，对反应器性能进行了375天的评估。判定6小时的水力停留时间适合这种反应器配置。在6小时的水力停留时间下，悬浮固体（SS）、生化需氧量（BOD）和化学需氧量（COD）的去除效率分别为86%、87%和84%。发现特定沼气产量和甲烷含量分别为0.34立方米CH(4)/千克CODr和67%。该研究评估了MABR的性能模式，并将其确定为印度城市污水管理的合适反应器技术。
