| 环氧树脂封面层对球墨铸铁管生物膜的影响 |
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| 引用本文： | 王若玮,许仕荣,罗志逢,彭宏熙,柳景青,周晓燕,徐军,裘尚德,何晓芳.环氧树脂封面层对球墨铸铁管生物膜的影响[J].中国环境科学,2019,39(5):2014-2020. |
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| 作者姓名： | 王若玮 许仕荣 罗志逢 彭宏熙 柳景青 周晓燕 徐军 裘尚德 何晓芳 |
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| 作者单位： | 1. 湖南大学土木工程学院, 湖南 长沙 410082;
2. 浙江大学建筑工程学院, 浙江 杭州 310058;
3. 绍兴水环境科学研究院有限公司, 浙江 绍兴 321000;
4. 绍兴市制水有限公司, 浙江 绍兴 321035 |
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| 基金项目： | 国家自然科学基金资助项目（51678520）；水体污染控制与治理国家科技重大专项资助项目（2017X07201004） |
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| 摘 要： | 以实际全比例非循环管道中试平台中水泥砂浆内衬球墨铸铁管为研究对象，通过分析生物膜的理化指标及微生物的群落结构来研究环氧树脂封面层对管道生物膜的影响.研究发现，相比于普通水泥砂浆内衬的球墨铸铁管，增加环氧树脂封面层后的管道不易吸附、沉积各种物质，对生物膜细菌丰度及群落结构均有影响，其管壁生物膜细菌总数为4.01×104copies/cm2，可培养菌数量为1.40×10CFU/cm2，另外其物种丰度较高而多样性较低.因此增加环氧树脂封面层的水泥内衬球墨铸铁管是一种更为优良的管材.
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| 关 键 词： | 供水管道 球墨铸铁管 封面层 生物膜 微生物群落 |
| 收稿时间： | 2018-10-22 |
Influence of the epoxy resin coating on the biofilm on ductile cast iron pipes |
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| WANG Ruo-wei,XU Shi-rong,LUO Zhi-feng,PENG Hong-xi,LIU Jing-qing,ZHOU Xiaoyan,XU Jun,QIU Shang-de,HE Xiao-fang.Influence of the epoxy resin coating on the biofilm on ductile cast iron pipes[J].China Environmental Science,2019,39(5):2014-2020. |
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| Authors: | WANG Ruo-wei XU Shi-rong LUO Zhi-feng PENG Hong-xi LIU Jing-qing ZHOU Xiaoyan XU Jun QIU Shang-de HE Xiao-fang |
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| Institution: | 1. College of Civil Engineering, Hunan University, Changsha 410082, China;
2. College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China;
3. Shaoxing Water Environmental Science Institute Co. Ltd, Shaoxing 321000, China;
4. Shaoxing Municipal Water Co., Ltd, Shaoxing 321035, China |
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| Abstract: | The research was carried out in an actual full-scale, non-circulated experimental platform. The effect of Epoxy Resin coating on biofilm on ductile cast iron pipes was studied by analyzing the physicochemical characteristics and microbial community composition of biofilms. The results revealed that the additional epoxy resin coating, compared with cement-mortar lined ductile cast iron pipes, can reduce the attachment of solids and had a positive impact on the microbial abundance and negative impacts on the community composition of biofilms. The total bacteria were 4.01×104copies/cm2 and heterotrophic bacteria were 1.40×10CFU/cm2 in the biofilms. Therefore, Cement-mortar lined ductile cast iron pipes with epoxy resin coating were better in practical applications. |
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| Keywords: | drinking water distribution pipe ductile cast iron pipes coating biofilm microbial community |
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