电化学法消毒处理医院污水的试验研究  被引量:3

Study on hospital sewage treatment by electrochemical disinfection method

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作  者:李志富[1] 谭亚东[2] 许宁[1] 任少红[1] 赵宇[1] 

机构地区:[1]泰山医学院化学与化学工程学院,泰安271000 [2]泰安市环境保护局,泰安271000

出  处:《环境污染治理技术与设备》2006年第3期101-104,共4页Techniques and Equipment for Environmental Pollution Control

摘  要:采用电化学法消毒处理医院污水,通过选用不同阳极材料构建的电化学体系,探讨电化学法的消毒机理。试验表明,以涂有贵金属(钌、铂和铱)氧化物的钛板作阳极,不锈钢板作阴极,在电流密度为8 mA/cm2、水力停留时间为15 m in、空气流量为40 L/h、极水比为1.0的试验条件下,消毒后污水中总大肠菌群数<500 cfu/L,达到国家一级排放标准(GB8978-1996)。Electrochemical disinfection method was used to treat hospital sewage. The mechanism of electrochemical disinfection was researched by using different anode materials. The results showed:when the titanium coated with noble metal (Ru, Pt, Ir) oxide was used as anode, stainless steel was used as cathode, current density was 8 mA/cm^2 ,hydraulic retention time was 15 min,air flow rate was 40 L/h,the rate of anode effective area to the inner water volume was 1.0,the amount of total colibacillus was below 500 cfu/L after electrochemical disinfection.it reached the first order of effluent discharge standard ( GR8978-1996).

关 键 词:医院污水 电化学消毒 电极材料 总大肠菌群数 

分 类 号:O646[理学—物理化学]

 

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