蜂巢石对UASB反应器启动性能的影响  

Effect of Pumice on Start-up of Upflow Anaerobic Sludge Blanket

作　　者：张勇 胡群林 徐广松 詹宇 王慧 ZHANG Yong;HU Qun-lin;XU Guang-song;ZHAN Yu;WANG Hui(School of Environment and Energy Engineering,Anhui Jianzhu University,Hefei 230601,China;Anhui Provincial Key Laboratory of Environmental Pollution Control and Resource Resuse,Hefei 230601,China;Taihu County Housing and Urban-Rural Development Bureau,Anqing 246000,China)

机构地区：[1]安徽建筑大学环境与能源工程学院,安徽合肥230601 [2]环境污染控制与废弃物资源化利用安徽省重点实验室,安徽合肥230601 [3]太湖县住房和城乡建设局,安徽安庆246000

出　　处：《中国给水排水》2021年第21期75-81,共7页China Water & Wastewater

基　　金：安徽省高校自然科学研究项目(KJ2018ZD048);国家重点研发计划项目(2019YFC0408504);中国科学院科技服务网络计划区域重点项目(KFJ-STS-QYZD-173)。

摘　　要：向厌氧系统中投加载体材料是促进反应器快速启动的有效手段,为此将蜂巢石投加到上流式污泥床反应器(UASB)中,研究蜂巢石对UASB反应器处理垃圾焚烧发电渗滤液启动性能的影响。结果表明,与未投加蜂巢石相比,投加蜂巢石的反应器可在24 d内完成启动,COD去除率保持在90%以上,启动时间缩短了10 d;反应器的产气性能得到显著提升,平均日产气量与产甲烷量分别提高9.38%和9.81%;同时挥发性悬浮物/总悬浮物(VSS/TSS)与蛋白质平均含量分别提高6.7%、21.4%,导致粒径大于0.50 mm的污泥占污泥总量的比例达22.56%,远高于对照组的7.39%,污泥在15 d内实现了颗粒化。Adding carrier material to an anaerobic system is an effective way to accelerate the start-up of the reactor.In this work,pumice was added into an upflow anaerobic sludge blanket(UASB),and the effect of pumice on the start-up of the reactor for the treatment of leachate from a waste incineration power plant was investigated.Compared with the reactor without pumice,the reactor with pumice was started within 24 days,the COD removal efficiency remained above 90%,and the startup time was shortened by 10 days.The gas yield performance of the reactor was significantly improved,and the average daily gas and methane yields were increased by 9.38%and 9.81%,respectively.At the same time,the ratio of VSS/TSS and the average content of protein increased by 6.7%and 21.4%,respectively,resulting in the portion of the sludge with particle size greater than 0.50 mm to the total sludge was 22.56%,which was much higher than that of the control group(7.39%).Therefore,the sludge was successfully granulated within 15 days.

关 键 词：蜂巢石 UASB 厌氧颗粒污泥 产气性能 

分 类 号：TU992[建筑科学—市政工程]