Influences of granule properties on the performance of autotrophic nitrogen removal granular reactor: A model-based evaluation - Details

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This　work　studied　the　impacts　of　key　granule　properties　on　the　granular　reactor　performing　partial　nitritation/anammox　from　the　modeling　perspective.　The　results　could　guide　not　only　future　reliable　modeling　but　also　practical　startup/operation　of　the　reactor.　To　achieve　high　total　nitrogen　(TN)　removal　whilst　avoiding　significant　N2O　production,　inoculated　granules　should　be　big　and　anammox-enriched.　The　optimum　boundary　layer　thickness　for　maximum　TN　removal　increased　with　the　decreasing　diffusivity　of　soluble　components　in　the　granule　structure.　Even　though　a　thick　boundary　layer　could　protect　anammox　bacteria　from　elevated　dissolved　oxygen　(DO)　(e.g.,　0.5　g-O2/m3)　and　obtain　high　TN　removal　(＞90.0%)　and　low　N2O　production　(2O　production　to　2/m3　in　the　presence　of　lifted　influent　NH4+　concentration).　©　2022　Elsevier　Ltd

Keyword：

Boundary layer flow Boundary layers Dissolved oxygen Granulation Nitrogen oxides Nitrogen removal Substrates Wastewater treatment

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[ 1 ] [Chen, Xueming]College of Environment and Safety Engineering, Fuzhou University, Fujian; 350116, China
[ 2 ] [Liu, Jinzhong]College of Environment and Safety Engineering, Fuzhou University, Fujian; 350116, China
[ 3 ] [Huo, Pengfei]College of Environment and Safety Engineering, Fuzhou University, Fujian; 350116, China
[ 4 ] [Li, Fuyi]College of Environment and Safety Engineering, Fuzhou University, Fujian; 350116, China
[ 5 ] [Yang, Linyan]School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai; 200237, China
[ 6 ] [Wei, Wei]Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney; NSW; 2007, Australia
[ 7 ] [Ni, Bing-Jie]Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Sydney; NSW; 2007, Australia

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Source ：

Bioresource Technology

ISSN： 0960-8524

Year： 2022

Volume： 356

1 1 . 4

JCR@2022

9 . 7 0 0

JCR@2023

ESI HC Threshold：60

JCR Journal Grade：1

CAS Journal Grade：1

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WoS CC Cited Count： 0

SCOPUS Cited Count： 8

ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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