沼渣
厌氧消化
中层
制浆造纸工业
化学
胞外聚合物
甲烷
过滤(数学)
沼气
甲烷菌
废物管理
生物
工程类
有机化学
统计
数学
生物膜
细菌
遗传学
作者
Tianfeng Wang,Jie Wang,Jiazi Niu,Peilin Guo,Cheng Peng,Rixing He,Hui Zhou,Wenqi Gao,Qingfang Zhang
标识
DOI:10.1016/j.biortech.2024.130791
摘要
The subsequence anaerobic digestion (AD) of dewatered sludge (DWS) from wastewater treatment plants necessitates an emphasis on enhancing methane production and dewaterability. The effect of different nanobubble water (NBW) on AD of DWS was investigated under mesophilic conditions. Cumulative methane production was improved by 9.0–27.8% with the addition of different NBW (Air, CO2, He, and N2). NBW improved methanogenic performance by significantly enhancing the hydrolysis of sludge AD. Results from the digestate, the capillary suction time, specific resistance to filtration, and moisture content could be decreased by 14.6–18.2%, 18.8–29.6%, and 13.6–19.5%, respectively. The addition of NBW can improve the dewaterability of digestate by reducing the digestate particle size and increasing the zeta potential of digestate. The addition of NBW significantly increased methane production and improved dewaterability in AD; Air-NBW showed the best improvement.
科研通智能强力驱动
Strongly Powered by AbleSci AI