Mechanistic investigation of toxicological change in ZnO and TiO2 multi-nanomaterial systems during anaerobic digestion and the microorganism response
Biochemical Engineering Journal(2019)
Abstract
•The presence of TiO2 ENMs decreased the impact of ZnO ENMs on anaerobic digestion.•Bioavailability of Zn2+ was positively related to toxic impact in digestion system.•ROS was experimentally proved to be one of the toxicological mechanisms.•Microbial cell membranes, abundance and community structures were affected.
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Key words
Anaerobic digestion,Multi-nanomaterial systems,ZnO,TiO2,Microbial community,Bioavailability
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