水處理中常見濾料的制備與作用機(jī)理

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關(guān)鍵詞:水處理;濾料;掛膜;機(jī)理
中圖分類號:TU991.24 文獻(xiàn)標(biāo)識碼:A 文章編號:1008-9500(2025)06-0102-06
DOI: 10.3969/j.issn.1008-9500.2025.06.029
Preparation and Mechanism of Common Filter Media in Water Treatment
CAO Yuanyuan, CAO Manman,ZHANGRuifeng,GUO Yingming (SchoolofUrbanPlanningand Municipal Engineering,Xi'anPolytechnic University,Xi'an71O048,Chi
Abstract:This paperfirstanalyzes the preparation processesof several mature filter media,including natural biofilm formation,biologicalfiltration membranes,iron-manganeseoxidecoatings,andother modified filter materials.Itthen focusesondetailing thefilmformationmethods forbiologicalfiltrationmembranesandiron-manganeseoxidecoatings,the modificationprocessesofconventional filtermedia,andtheircorresponding treatmenteficiency.Finalythemhanisms underlying the performance of different filter materials are systematically examined.
Keywords:water treatment; filter media; biofilm formation; mechanism
近年來,水源中的氨氮和鐵錳含量逐年增加[1],過量的氨氮對中樞神經(jīng)系統(tǒng)有毒性作用,特別是在大腦發(fā)育過程中,可導(dǎo)致不可逆轉(zhuǎn)的損傷,引起認(rèn)知障礙、癲癇和腦癱等癥狀[2]。(剩余10854字)