XIAOHai-wen,LIUYi,ZHAIJun,et al.Effect of Plug-flow Operational Mode on Performance of Microalgal Photobioreactor for Treatment of Piggery Wastewater[J].China Water & Wastewater,2023,39(21):7-12.
Effect of Plug-flow Operational Mode on Performance of Microalgal Photobioreactor for Treatment of Piggery Wastewater
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第39卷
Number:
第21期
Page:
7-12
Column:
Date of publication:
2023-11-01
- Abstract:
- The operational mode of microalgal photobioreactor for the treatment of piggery wastewater is of great significance for developing the livestock and poultry wastewater treatment technologies with resource recovery and low operational cost. In this study, the effects of daily plug-flow duration and plug-flow velocity on the start-up, algal biomass concentration and pollutants removal efficiency of the corridor microalgal photobioreactor for the treatment of actual piggery wastewater were investigated, and the optimal plug-flow operational mode was discussed. The 24-hour continuous plug-flow operation promoted the rapid start-up of the reactor. The daily intermittent plug-flow operation with low flow velocity enabled the reactor to obtain the maximum algal biomass concentration and the best treatment performance. The larger flow velocity and the longer daily plug-flow time resulted in the higher COD removal efficiency. The reactor also maintained a high removal efficiency of ammonia nitrogen at the daily intermittent plug-flow operation mode with low flow velocity. The lower flow velocity and shorter daily plug-flow time led to the higher removal efficiency of total phosphorus.
Last Update:
2023-11-01