Start-up and Operation of Biofilter Coupled Nitrification and CANON for the Removal of Iron, Manganese and Ammonia Nitrogen - Details

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Abstract：

A　pilot-scale　bio-filter　coupled　nitrification　and　CANON　was　started　up　to　remove　iron,　manganese　and　ammonia　nitrogen　from　groundwater　in　a　plant,　and　the　main　removal　route　of　ammonia　nitrogen　was　analyzed.　The　experiment　showed　that　the　bio-filter　could　be　started　up　successfully　and　achieved　stable　operation　after　164　days　of　culture　development.　The　value　of　ΔNH4+-N/ΔNO3--N　was　1.49,　and　the　oxidation　and　removal　of　Fe(),　Mn(),　and　NH4+-N　were　(9.87±1.17)　(2.25±0.06),　and　(1.51±0.06)　mg•L-1,　respectively.　The　calculation　based　on　the　quantitative　relationship　between　nitrogen　conservation　and　dissolved　oxygen　(DO)　measurement　indicated　that　the　contribution　of　CANON　to　NH4+-N　removal　was　33.48%-38.87%,　and　the　average　ratio　of　ammonia　nitrogen　removal　amount　to　DO　was　1:3.79-1:3.94.　The　removal　ratio　of　ammonia　nitrogen　was　lower　with　lower　temperature.　©　2018,　Science　Press.　All　right　reserved.

Keyword：

Dissolved oxygen Chemicals removal (water treatment) Ammonia Iron Nitrogen removal Groundwater Nitrification

Author Community：

[ 1 ] [Li, Dong]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Cao, Rui-Hua]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Yang, Hang]State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin; 150090, China
[ 4 ] [Wang, Yan-Ju]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
[ 5 ] [Lü, Sai-Sai]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
[ 6 ] [Zhang, Jie]Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing; 100124, China
[ 7 ] [Zhang, Jie]State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin; 150090, China