福创溪-大排沟黑臭水体一河一策治理工程
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摘要
福创溪-大排沟位于海口市桂林洋经济开发区,受周边农业面源污染、养殖废水、生活污水等影响,河道呈黑臭状态。福创溪下游河段属感潮河段,河水盐度较高,传统的水体修复技术受到限制。根据一河一策治理方案,开展内源清淤-截污纳管-污水处理-曝气增氧-红树林生态系统技术,对福创溪-大排沟黑臭水体进行了治理。现场8个月的检测数据显示,断面DO浓度均大于2 mg·L~(-1),ORP大于50 mV,NH_3-N小于8 mg·L~(-1),河水透明度大于25 cm,实现了消除黑臭的目标。
Fuchuangxi-Dapaigou is located in Guilinyang economic development zone in Haikou city. The pollution of agricultural non-point source, aquaculture wastewater and domestic sewage around it resulted in a state of black and odorous in this river. The lower reach of Fuchuangxi river belongs to a tidal one, and a high saline water appears which limits the remediation effect by traditional technologies. According to the treatment scheme of one river and one policy, a series of technologies of dredging waterway, sewage interception,wastewater treatment, aeration and mangroves ecosystem were used to remediate the black and odorous waterbody of Fuchuangxi-Dapaigou river. The water quality data in monitoring sections during eight months showed that their dissolved oxygen contents were above 2 mg·L~(-1), oxidation-reduction potentials were above 50 mV, ammonia nitrogen concentrations were lower than 8 mg·L~(-1) and water opacity was larger than 25 cm, which indicated that the elimination of its black color and odorous state was realized.
Fuchuangxi-Dapaigou is located in Guilinyang economic development zone in Haikou city. The pollution of agricultural non-point source, aquaculture wastewater and domestic sewage around it resulted in a state of black and odorous in this river. The lower reach of Fuchuangxi river belongs to a tidal one, and a high saline water appears which limits the remediation effect by traditional technologies. According to the treatment scheme of one river and one policy, a series of technologies of dredging waterway, sewage interception,wastewater treatment, aeration and mangroves ecosystem were used to remediate the black and odorous waterbody of Fuchuangxi-Dapaigou river. The water quality data in monitoring sections during eight months showed that their dissolved oxygen contents were above 2 mg·L~(-1), oxidation-reduction potentials were above 50 mV, ammonia nitrogen concentrations were lower than 8 mg·L~(-1) and water opacity was larger than 25 cm, which indicated that the elimination of its black color and odorous state was realized.
引文
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[3]陈建军,张佳磊,卢少勇,等.黑臭底泥土著微生物促生对磷的影响[J].环境工程学报,2013,7(9):3403-3408.
[4]林长喜,吴晓峰,曲风臣,等.我国城市黑臭水体治理展望[J].化学工业,2017,35(5):65-68.
[5]赵越,姚瑞华,徐敏,等.我国城市黑臭水体治理实践及思路探讨[J].环境保护,2015,43(13):27-29.
[6]孔韡,汪炎.黑臭水体形成原因与治理技术[J].工业用水与废水,2017,48(5):1-6.
[7]WANG G,LI X,FANG Y,et al.Analysis on the formation condition of the algae-induced odorous black water agglomerate[J].Saudi Journal of Biological Sciences,2014,21(6):597-604.
[8]姚学同,孙成才,陈利萍,等.南水北调源头城市黑臭水体治理截污工程案例[J].中国给水排水,2017,33(20):96-99.
[9]叶维丽,刘雅玲,王强,等.城市黑臭水体治理思路初探:以山东省胶州市跃进河:如意湖流域为例[J].环境污染与防治,2016,38(7):88-92.
[10]邹伟国.城市黑臭水体控源截污技术探讨[J].给水排水,2016,42(6):56-58.
[11]LI S,SHI W,LI H,et al.Antibiotics in water and sediments of rivers and coastal area of Zhuhai City,Pearl River estuary,south China[J].Science of the Total Environment,2018,636:1009-1019.
[12]迟娟,林哲,赵曙光,等.一种用于非行船河道垃圾拦截的模块式格栅:CN108343039A[P].2018-07-31.
[13]迟娟,辛晋峰,于丰玮,等.一种EHBR膜组件保护装置:CN108187496A[P].2018-06-22.
[14]王瑟澜,孙从军,张明旭.水体曝气复氧工程充氧量计算与设备选型[J].中国给水排水,2004,20(3):63-66.
[15]仲惠川,张鹏昊,阮文权,等.一种微生物缓释载体的构建方法:CN108018280A[P].2018-05-11.
[16]王晨,李婧,赖文蔚,等.海口市美舍河水环境综合治理系统方案[J].中国给水排水,2018,34(12):24-30.
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