Insights into the rapid start-up of an inoculated municipal sludge system: A high-height-to-diameter-ratio airlift inner-circulation partition bioreactor based on CFD analysis

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成果类型：

期刊论文

作者：

Chen, Hong;Zhang, Chengfeng;Al-Dhabi, Naif Abdullah;Wu, Sha;Liu, Yangkai;...

通讯作者：

Chen, J

作者机构：

[Zhang, Chengfeng; Liu, Yangkai; Chen, Hong; Wu, Sha; Shi, Lixiu; Chen, Jing] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.

[Zhang, Chengfeng; Chen, Hong; Wu, Sha; Shi, Lixiu; Chen, Jing] Changsha Univ Sci & Technol, Inst Ecoenvironm, Changsha 410114, Peoples R China.

[Chen, Hong; Luo, Guina; Wu, Lvzhou] Fujian Strait Graphene Ind Technol Res Inst, Jinjiang 362200, Peoples R China.

[Al-Dhabi, Naif Abdullah] King Saud Univ, Coll Sci, Dept Bot & Microbiol, POB 2455, Riyadh 11451, Saudi Arabia.

[Kong, Zhe] Suzhou Univ Sci & Technol, Sch Environm Sci & Engn, Suzhou 215009, Peoples R China.

通讯机构：

[Chen, J ] C

Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.

语种：

英文

关键词：

AnAOB;Anammox;Computational fluid dynamic (CFD);Height-to-diameter;Model;Municipal sludge

期刊：

Environmental Research

ISSN：

0013-9351

年：

2024

卷：

243

页码：

117838

DOI：

10.1016/j.envres.2023.117838

基金类别：

Natural Science Foundation of Hunan Province [2023JJ40031]; Special fund for building Chenzhou National Sustainable Development Agenda Innovation Demonstration Zone in Hunan Provinces [2021sfq15]; China Hunan Provincial & Technology Department [2022SK2091, 2023NK2031]; King Saud University, Riyadh, Saudi Arabia [RSP-2023-R20]

机构署名：

本校为第一且通讯机构

院系归属：

水利工程学院

摘要：

The utilization of municipal sludge as a seed sludge for initiating the autotrophic nitrogen removal (ANR) process presents a challenge due to the negligible abundance of anaerobic ammonia-oxidizing bacteria (AnAOB). Here, a computational fluid dynamics model was used to simulate sludge volume fraction and sludge particle velocity. A high-height-to-diameter-ratio airlift inner-circulation partition bioreactor (HHAIPBR) was operated for 175 d to enrich AnAOB from municipal sludge, and the performance of the ANR process was investigated. The start-up period of HHAIPBR inoculated with municipal s...

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Insights into the rapid start-up of an inoculated municipal sludge system: A high-height-to-diameter-ratio airlift inner-circulation partition bioreactor based on CFD analysis

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