臭氧_生物活性炭处理效果的影响因素和工艺分析.pdfVIP

·城镇给排水 · 臭氧 —生物活性炭处理效果的影响因素与工艺分析 张 　捷 　朱 　慧 　叶财富 (桐乡市凤栖供水有限公司 ,桐乡 　3 14500) 　　摘要 　桐乡市果园桥水厂深度处理工艺投入运行已逾五年 。通过对二期臭氧 —生物活性炭工 艺长达五年的跟踪分析 ,阐述了臭氧接触 、生物活性炭以及臭氧 —生物活性炭工艺对耗氧量的去除 效果 ,分析了水温 、处理负荷 、原水耗氧量 、臭氧投加量等因素对耗氧量去除率的影响 ,并且从活性炭 物理指标的下降程度说明了生物活性炭工艺的中后期以生物作用为主 。总体而言 ,多因素综合影响 着臭氧 —生物活性炭工艺的处理效果 。 关键词 　臭氧 　生物活性炭 　深度处理 　影响因素 　工艺分析 The infl uence factors and process study of ozonebiological activated carbon Zhang J ie , Zhu Hui , Ye Caif u ( ) Tong x i ang Ci ty Feng qi W ate r S up p ly L t d . , Tong x i ang 3 14500 , Ch i n a Abstract : The advanced p roce ss in Ton gxiang Cit y Guoyuanqiao Wat er Treat ment Plant ha s been op erat ed for five year s. Ba sed on t he five year s t race analy si s on t he seco nd st age ozo ne biolo gical activat ed carbon , t he removal eff ect s of t he ozo ne cont act p roce ss , biolo gical activated carbon and ozonebiological activated carbon on oxygen demands were demonstrated , the effect s of water temperature , treatment load , raw water oxygen demand , ozone dosage on removal efficiency were analyzed , and main effect s of biological treatment in the middle and later periods of biological activated carbon process were also showed through the lowering levels of activated carbon physic indexes. In general , multieffect s affect t he t reat ment of ozo nebiolo gical activat ed car bo n . Key words : Ozone ; Biolo gical activat ed car bon ; A dvanced t reat ment ; Influence effect s ; Proce ss analy si s 0 　前言 实际水质情况臭氧投加量为 1～3 mg/ L , 以液氧为 3 气源 ,设置 1 台产量为 10 kg/ h