碳素纤维草对小型封闭水体水质净化作用
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摘要
利用碳素纤维生态草对小型封闭地表水体进行净化处理。结果表明:生态草遇水散开,巨大的比表面积有利于微生物附着生长,且挂膜过程用时较短,生物膜形态稳定;碳素纤维生态草对水质有一定的改善和保持作用,COD去除率达71%,但TN和TP的去除效果并不明显,水质总体上能够持续满足地表水环境Ⅳ类标准。
Purification of small enclosed surface water was made by carbon fiber ecological grass. The results show that the ecological grass disperses in the presence of water,and its large specific surface area is beneficial to microbial attachment and growth. The film-forming process takes less time,and the biofilm form is stable. Carbon fibre ecological grass can improve and maintain water quality to a certain extent with COD removal rate at 71%. But the removal effect of TN and TP is not obvious. On the whole,the water quality can meet the Ⅳ standard of surface water environment continuously.
Purification of small enclosed surface water was made by carbon fiber ecological grass. The results show that the ecological grass disperses in the presence of water,and its large specific surface area is beneficial to microbial attachment and growth. The film-forming process takes less time,and the biofilm form is stable. Carbon fibre ecological grass can improve and maintain water quality to a certain extent with COD removal rate at 71%. But the removal effect of TN and TP is not obvious. On the whole,the water quality can meet the Ⅳ standard of surface water environment continuously.
引文
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[3]吕小央,张松贺,刘凯辉,等.水生植物-生物膜体系的生态功能与互作机制研究进展[J].水资源保护,2015,31(2):20-25.(LYU Xiaoyang,ZHANG Songhe,LIU Kaihui,et al. Advances in ecological function and interaction mechanism of aquatic macrophyte biofilm system[J]. Water Resources Protection,2015,31(2):20-25.(in Chinese))
[4]顾强,丁磊.城市建成区黑臭水体评价方法比较[J].水资源保护,2017,33(4):70-74.(GU Qiang,DING Lei.Comparative study on evaluation methods for black and odorous water in urban built-up area[J]. Water Resources Protection,2017,33(4):70-74.(in Chinese))
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[6]卢信,刘成,尹洪斌,等.生源性湖泛水体主要含硫致臭物及其产生机制[J].湖泊科学,2015,27(4):583-590.(LU Xin,LIU Cheng,YIN Hongbin,et al. The main sulfur-containing odorous compounds and their forming mechanisms in waters during bio-induced black bloom[J]. Journal of Lake Sciences,2015,27(4):583-590.(in Chinese))
[7]于佳真,王晓昌,薛涛,等.西安某人工湖水质时空分布特征及其荧光特性[J].环境工程学报,2015,9(9):4265-4272.(YU Jiazhen,WANG Xiaochang,XUE Tao,et al. Distribution of water quality in time and space and fluorescence characteristics in an artificial lake of Xi'an[J]. Chinese Journal of Environmental Engineering,2015,9(9):4265-4272.(in Chinese))
[8]张文艺,张采芹,占明飞,等.滤食性底栖动物-菌藻复合生态系统对富营养水体净化的特性[J].湖北农业科学,2013,52(20):4926-4931.(ZHANG Wenyi,ZHANG Caiqin,ZHAN Mingfei,et al. Purification characteristics of eutrophic water in filter-feeding zoobenthos-bacteria and algae complex ecosystem[J]. Hubei Agricultural Sciences,2013,52(20):4926-4931.(in Chinese))
[9]吴永红,刘剑彤,丘昌强.两种改善富营养化湖泊水质的生物膜技术比较[J].水处理技术,2005,31(5):34-37.(WU Yonghong,LIU Jiantong,QIU Changqiang.Comparison of two biofilm technologies to improve water quality of eutrophic lakes[J]. Technology of Water Treatment,2005,31(5):34-37.(in Chinese))
[10]张自杰,林荣忱,金儒霖.排水工程:下册[M].北京:中国建筑工业出版社,1999.
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[12]汤兵,石太宏,王五洲.微电场强化生物除磷过程实验研究[J].水资源保护,2007,23(6):40-43.(TANG Bing,SHI Taihong,WANG Wuzhou. Experimental study on enhanced biological phosphorus removal with micro electric field[J]. Water Resources Protection,2007,23(6):40-43.(in Chinese))