Evolution of enzyme activity, heavy metals bioavailability and microbial community in different temperature stages of the co-bioevaporation process

Copyright © 2019 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 102(2020) vom: 01. Feb., Seite 751-762
1. Verfasser: Yang, Benqin (VerfasserIn)
Weitere Verfasser: Li, Xukun, Lin, Zhiqiang, Hu, Die, Liu, Yanmei, Pan, Xuejun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Bacterial communities Bioavailability Co-bioevaporation Enzyme activity Heavy metals Landfill leachate Metals, Heavy
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520 |a Laboratory investigations documented enzyme activity, heavy metals' bioavailability and the bacterial community during co-bioevaporation treatment of food waste and landfill leachate. The activities of dehydrogenase, protease, urease and phosphatase were sensitive to the changes in operating temperature inherent in co-bioevaporation. The maximum dehydrogenase activity was appeared at warming 30 °C. The maximum hydrolytic activity of the microorganisms on protein, urea and phosphorus-containing organic compounds appeared at warming 50 °C. The bacteria mainly gathered on the surface and in the pores of the sludge particles used as a bulking agent. Bacterial abundance reached its maximum at warming 50 °C. Firmicutes, Actinobacterica and Proteobacterica were the dominant bacterial phyla involved. Even though co-bioevaporation concentrated the heavy metals in the leachate, their bioavailability was substantially reduced during the process 
650 4 |a Journal Article 
650 4 |a Bacterial communities 
650 4 |a Bioavailability 
650 4 |a Co-bioevaporation 
650 4 |a Enzyme activity 
650 4 |a Heavy metals 
650 4 |a Landfill leachate 
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700 1 |a Li, Xukun  |e verfasserin  |4 aut 
700 1 |a Lin, Zhiqiang  |e verfasserin  |4 aut 
700 1 |a Hu, Die  |e verfasserin  |4 aut 
700 1 |a Liu, Yanmei  |e verfasserin  |4 aut 
700 1 |a Pan, Xuejun  |e verfasserin  |4 aut 
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