生物活性砂反应器启动期间有机物去除特性研究  

STUDY ON ORGANIC MATTER REMOVAL OF START-UP BY ACTIVE SAND BIOFILTER

作　　者：施钦[1] 沈雨樨[1] 李文文[1] 莫德清[2] 李金城[1] 李莎[1] 

机构地区：[1]桂林理工大学环境科学与工程学院,广西矿冶与环境科学实验中心 [2]桂林电子科技大学生命与环境科学学院,广西桂林541004

出　　处：《水处理技术》2014年第10期99-102,共4页Technology of Water Treatment

基　　金：广西科学研究与技术开发计划项目(桂科攻10124002-3;桂科转1298010-1);广西教育厅科研项目(桂教科研YB2014136);桂林市科学研究与技术开发计划项目(20130116-3);广西矿冶与环境科学实验中心项目(KH2012ZD004)

摘　　要：提出生物活性砂反应器（ASB）,即以间歇洗砂模式运行内装颗粒活性炭的活性砂过滤器。采用生活污水对该反应器进行自然挂膜启动,考察启动过程中水力负荷依次为0.56、1.12、2.53 m^3/（m^2·d）时,COD、TOC、UV254的去除效果。结果表明,经过28d连续进水挂膜成功,ASB对COD和UV254有较好的去除效果,去除率分别达54%～61%、75%～80%。提出以COD和TOC的去除率稳定作为判断ASB挂膜成功的标志。ASB以间歇洗砂模式进行,与传统连续洗砂模式的活性砂过滤器相比,高效节能,是一种适应乡镇污水处理的新途径。An active sand biofilter（ASB）, operated in intermittent sand-washing mode on the base of active sand filter and loaded with granular activated carbon（GAC） as media for natural biofilm formation, was proposed in this paper. The start-up process of this new kind of active sand filter was investigated with domestic wastewater under the conditions of different hydraulic loading, 0.56 m^3/（m^2·d）, 1.12 m^3/（m^2·d） and 2.53 m^3/（m^2·d）, respectively. The removal rates of COD, TOC and UV254 were studied. The experimental results showed that active sand biofilter could successful remove COD and UV254 effectively after 28 d of start-up. The removal rates under the stable operation were 54%～61%, 75%～80%, respectively. Furthermore, the removal rates of COD and TOC could be used as a indicate judging whether the biofilm is mature or not were also presented. Compared with active sand filter operated in traditional continuous sand-washing mode, the active sand biofilter has an obvious advantage due to its high-efficiency and energy-saving.

关 键 词：生物活性砂反应器 颗粒活性炭 有机物 生物膜 

分 类 号：X703.1[环境科学与工程—环境工程]