期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 866, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2023.161447
关键词
Ammonia inhibition; Anaerobic membrane bioreactor; Anaerobic digestion; Long -chain fatty acid; Microbial response; Trace metal
This review comprehensively summarizes the characteristics of dairy wastewater and reveals the mechanisms and impacts of three critical issues in anaerobic treatment. It evaluates current remedial strategies and the application of anaerobic membrane bioreactors. The review also discusses the use of nitrogen-removed effluent return and trace metal addition to improve the treatment efficiency and stability of dairy wastewater.
Methanogenic treatment can effectively manage wastewater in the dairy industry. However, its treatment efficiency and stability are problematic due to the feature of wastewater. This review comprehensively summarizes the dairy wastewater characteristics and reveals the mechanisms and impacts of three critical issues in anaerobic treatment, including ammonia and long-chain fatty acid (LCFA) inhibition and trace metal (TM) deficiency. It evaluates current remedial strategies and the implementation of anaerobic membrane bioreactor (AnMBR) technology. It assesses the use of nitrogen-removed effluent return to dilute the influent for solving protein-rich dairy wastewater treatment. It explores the methodology of TM addition to dairy wastewater in accordance with microbial TM content and proliferation. It analyzes the multiple benefits of applying high-solid AnMBR to lipid-rich influent to mitigate LCFA inhibition. Finally, it proposes a promising low-carbon treatment system with enhanced bioenergy recovery, nitrogen removal, and simultaneous phosphorus recovery that could promote carbon neutrality for dairy industry wastewater treatment.
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