[1]张晓雅,陈俊,董阳,等.砾间接触氧化处理河水中试及微生物菌属特性[J].中国给水排水,2022,38(21):93-100.
　ZHANGXiao-ya,CHENJun,DONGYang,et al.A Pilot-scale Test of Gravel Contact Oxidation for River Water Treatment and Characteristics of Bacterial Genera[J].China Water & Wastewater,2022,38(21):93-100.
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砾间接触氧化处理河水中试及微生物菌属特性

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第38卷 期数: 2022年第21期 页码: 93-100 栏目: 出版日期: 2022-11-01
Title:
A Pilot-scale Test of Gravel Contact Oxidation for River Water Treatment and Characteristics of Bacterial Genera
作者:
张晓雅1,2， 陈俊2， 董阳2， 杨涛2， 董良飞1
（1.常州大学 环境与安全工程学院，江苏 常州 213164；2.常州市排水管理处，江苏 常州 213017）
Author(s):
ZHANG　Xiao-ya1，2， CHEN　Jun2， DONG　Yang2， YANG　Tao2， DONG　Liang-fei1
（1. School of Environmental & Safety Engineering， Changzhou University， Changzhou 213164， China； 2. Changzhou Drainage Management Office， Changzhou 213017， China）
关键词:
砾间接触氧化反应器;  河水净化;  菌属特性;  启动与挂膜;  分段进水
Keywords:
gravel contact oxidation reactor (GCOR);  river water purification;  bacterial genera characteristics;  start-up and biofilm culturing;  step feed
摘要:
针对某河流的水质净化问题，自制砾间接触氧化反应器（GCOR）并对其启动及运行影响因素进行研究。试验结果表明，通过逐步提高水力负荷，反应器约需30 d可完成自然挂膜启动；在稳定运行阶段，研究了HRT、曝气条件和分段进水方式对反应器运行的影响，当HRT为5 h，接触氧化区1曝气，配水区1、3按6∶4的比例分段进水时装置运行效果最佳。菌群高通量测序结果表明，系统内填料表面生物膜微生态环境复杂，微生物多样性较高，系统前端生物膜中细菌多样性及优势菌的富集情况优于后端生物膜；不同区域生物膜上富集不同功能的微生物菌群，从而实现有机物的高效降解及脱氮除磷。
Abstract:
A gravel contact oxidation reactor (GCOR) was made to purify the water from a river, and the influencing factors of its start-up and operation were investigated. The reactor successfully realized biofilm culturing within approximately 30 days by gradually increasing the hydraulic load. In the stable operational stage, the effects of hydraulic retention time (HRT), aeration conditions and step feed mode on the operation of the reactor were investigated. The operation of the reactor was the best when HRT was 5 h, aeration was provided in contact oxidation zone 1, and the distribution ratio of water distribution zones 1 and 3 was 6 to 4. The high-throughput sequencing results showed that the biofilm on the packing media surface of the system had complex microecological environment and high microbial diversity. The diversity of bacteria and the enrichment of dominant bacteria in the front of the biofilm system were better than those in the back end. Different functional microbial communities were enriched on biofilm in different areas, so as to achieve efficient organic matter degradation and nitrogen and phosphorus removal.
更新日期/Last Update: 2022-11-01