污水處理廠二級(jí)出水深度脫氮除磷技術(shù)研究
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文章編號(hào)：1674-6139（2025）07-0097-05
中圖分類號(hào)：X703文獻(xiàn)標(biāo)志碼：B
Research on Deep Denitrification and Phosphorus Removal Technology for Secondary Wastewater Treatment Plant
Yin Xiaomei
（ShanghaiEmperorofCleaningHigh-Tech.Co.，Ltd.，Shanghai2OO437，China）
Abstract：ThestudyusedtheexpandedbeddenitrficationbiofiltertechnologytotreattheefluentfromthesecondstageCassbio chemicaltank.Theefuentwasintroducedintoadownflowsuspendedfiltercolumnthroughawaterpumpandadosingpump，andsodiumacetateandureaereddedascarbonandnitrogensourcestocompletedenitrificationandfloculation.Thestudyusedfragmented rigidsuspendedpackingtoformafilm，andaddedfourcoagulants：ironsulfate，calciumchloride，calciumoxide，ndaluminumulfate. Thedetectionofwaterualityparametersincudestotalpospous，totalntrogenmmonarogenndeicaloyeneandThe experimentalresultsshowthataluminumsulfatehastheestphosphorusremovalefect，significantlyimprovingphosphorusemovaland CODremovalratesakingintoaccoutetrogeandospousmoaleiencsellsCODmoalate，carbotgen ratioof3.5istimalTheexpadedbdenitrificationbiologicalfilerebitsexcelntsecondryfuentdepenitrificationd phosphorus removal performance，achieving eficient water purification.
Keywordssewagetreatmentplant；secondaryefluent；expandedbeddenitrificationbiofilter；deepdenitrificationandposphorus removal；denitrification
前言
污水處理廠作為城市水環(huán)境管理的核心，出水水質(zhì)直接關(guān)系到地表水、地下水及生態(tài)環(huán)境的品質(zhì)。（剩余4221字）