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Bacterial Community Composition of Activated Sludge from Chemical Bamboo Pulp Wastewater
Received:December 25, 2020  
DOI：10.11980/j.issn.0254-508X.2021.03.006
Key Words:chemical bamboo pulp wastewater  biological treatment  activated sludge  bacterial community  pyrosequencing
Fund Project:陕西省重点研发计划（2017ZDXM-SF-096）。
Author NameAffiliationPostcode
ZHANG Anlong College of Environmental Science and Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021
College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Scionce and Technology， Xi’an， Shaanxi Province， 710021 		710021
WANG Zheyi College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Scionce and Technology， Xi’an， Shaanxi Province， 710021 710021
WANG Xueqing College of Environmental Science and Engineering， Shaanxi University of Science and Technology， Xi’an， Shaanxi Province， 710021
College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Scionce and Technology， Xi’an， Shaanxi Province， 710021 		710021
LUO Qing College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi University of Scionce and Technology， Xi’an， Shaanxi Province， 710021 710021
ZHANG Shinan Xi’an Longhua Environmental Protection Technology Co.， Ltd.， Xi’an， Shaanxi Province， 710019 710019
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Abstract:In this study， the structure and diversity of bacterial community in activated sludge of actual chemical bamboo pulping wastewater were analyzed by using ultra-high throughput sequencing technology. The shannon index and ACE index ranged from 4.48 to 5.19 and 767.80 to 1066.15 respectively， which indicated the activated sludge bacterial communities in different chemical bamboo pulping wastewater were not only diversity but also significant differentiation. The classification of common bacteria in activated sludge of chemical bamboo pulping wastewater included： Proteobacteria， Chloroflexi， Bacteroidetes and Actinobacteria. Proteobacteria was the dominant phylum and its maximum abundance was 59.47%. The primary genera were Hyphomicrobium， Candidatus_Competibacter， JdFR-76 and SWB02. Hyphomicrobium dominated with an abundance of 3.69%~18.29%. These bacteria were not only related to nitrification and denitrification， but also directly related to the degradation of polycyclic aromatic compounds， alcohols and alkanes.
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