基于复合微生物菌剂的黑臭河道治理
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摘要
为寻找一种快速有效的黑臭河道水质治理技术,以丹阳新河为例,研究了复合微生物菌剂对河道污水的净化效果。结果表明:投加复合微生物菌剂后,以COD_(mn)、NH_3-N和TP浓度下降后上升的情况作为复合微生物菌剂复投时间的判断依据,实现菌种效力最大化。投加复合微生物菌剂48 d后,对丰收桥和窦庄桥两处的COD_(mn)、NH3_-N和TP的去除率分别达到46. 38%和46. 94%、70. 68%和69. 79%、71. 65%和87. 95%;黑臭现象基本消除。
In order to seeke a kind of technology which can purify black and odorous river sewage rapidly and effectively,taking water from Xinhe River as the experimental object,the effect of compound microbial inoculant on river sewage purification was investigated. The results showed that COD_(mn),NH_3-N and TP decreased after adding the compound microbial inoculant,this was as a basic judgement when the compound microbial inoculant should be add again. 48 days later,the removal rate of COD_(mn)、NH_3-N 和 TP at Fengshou River and Douzhuang River reached 46. 38% and 46. 94%,70. 68% and 69. 79%,71. 65% and 87. 95% respectively,and the odor was eliminated obviously. The compound microbial inoculant had good performance on river sewage purification.
In order to seeke a kind of technology which can purify black and odorous river sewage rapidly and effectively,taking water from Xinhe River as the experimental object,the effect of compound microbial inoculant on river sewage purification was investigated. The results showed that COD_(mn),NH_3-N and TP decreased after adding the compound microbial inoculant,this was as a basic judgement when the compound microbial inoculant should be add again. 48 days later,the removal rate of COD_(mn)、NH_3-N 和 TP at Fengshou River and Douzhuang River reached 46. 38% and 46. 94%,70. 68% and 69. 79%,71. 65% and 87. 95% respectively,and the odor was eliminated obviously. The compound microbial inoculant had good performance on river sewage purification.
引文
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2 Pan B Z,Yuan J P,Zhang X H,et al. A review of ecological restoration techniques in fluvial rivers[J]. International Journal of Sediment Research,2016(31):110-119
3 李丽.水体生态修复技术在黑臭河道治理中的应用研究[J].中国市政工程,2017(3):40-42Li Li. Application research of water ecological restoration technology in black-odor river regulation[J]. China Municipal Engineering,2017(3):40-42
4 Amin A,Fazal S,Mujtaba A,et al. Effects of land transformation on water quality of Dal Lake,Srinagr,India[J]. Journal of the Indian Society of Remote Sensing,2014,42(1):119-128
5 Li X,Xu Y,Zhao G,et al. Assessing threshold values for eutrophication management using Bayesian method in Yuqiao Reservoir,North China[J]. Environmental Monitoring and Assessment,2015,187(4):195
6 Xu Y,Ma C,Liu Q,et al. Method to predict key factors affecting lake eutrophication——A new approach based on support vector regression model[J]. International Biodeterioration and Biodegradation,2015,102:308-315
7 宋晓兰,张洁,陈渊,等.微生物修复技术在苏南某黑臭河道的应用[J].环境科学与技术,2014,37(6):166-168Sun Xiaolan,Zhang Jie,Chen Yuan,et al. Application of comprehensive techniques of bio-remediation in a black-odor river of a small town South Jiangsu Province[J]. Environmental Science&Technology,2014,37(6):166-168
8 钱嫦萍,王东启,陈振楼,等.生物修复技术在黑臭河道治理中的应用[J].水处理技术,2009,35(4):13-17Qian Changping,Wang Dongqi,Chen Zhenlou,et al. Progress of bioremediation for controlling blackening and stink of rivers[J].Technology of Water Treatment,2009,35(4):13-17
9 吴霞,谢悦波.直接投菌法在城市重污染河流治理中的应用研究[J],环境工程学报,2014,8(8):3331-3336Wu Xia,Xie Yuebo. Application of directly adding microbial agent to improve water quality of heavily polluted urban river[J]. Chinese Journal of Environmental Engineering,2014,8(8):3331-3336
10 Wu Q,Hu Y,Li S Q,et al. Microbial mechanisms of using enhanced ecological floating beds for eutrophic water improvement[J]. Bioresource Technology,2016,211:451-456
11 尹莉,张鹏昊,陈伟燕,等.固定化微生物技术对坑塘黑臭水体的净化研究[J],水处理技术,2018,44(2):105-108Yin Li,Zhang Penghao,Chen Weiyan,et al. Purification of the black and odorous water of pond by immobilized microorganism technology[J]. Technology of Water Treatment,2018,44(2):105-108