摘要
为了解江西省不同地形农村生活污水排放特征,选取山地、丘陵和平原3种地形,分别对农户生活污水的灰水和黑水分时段进行监测,研究农户生活污水排放特征、各指标之间相关性以及影响因素。结果表明,山地、丘陵和平原地形农户人均用水量分别为100.08、96.89、94.52 L/(d·人)。一日内农户污水污染物浓度高峰时段在10:00~14:00(灰水)、14:00~18:00(黑水),不同季节中污染物浓度最大出现在冬季,最低出现在夏季。污水COD、SS、NH_(4)^(+)-N、TN和TP的浓度中位值分别为487.5、67.5、19.43、33.85、6.36 mg/L(灰水)和481、76、97.6、146、13.1 mg/L(黑水)。3种地形污水的NH_(4)^(+)-N、TN、TP两两间均有极显著的正相关,COD与TN、TP的相关性均显著。地形对污水水质的影响水平较收入水平和户均人数更为显著。研究结果可为江西省农村生活污水治理和生态环境保护提供参考。
To analyze the discharge characteristics of rural domestic sewage in different terrains of Jiangxi Province,three terrains including mountainous,hilly and plain,were selected to monitor the gray water and black water of rural residents'domestic sewage.The characteristics of rural residents'domestic sewage discharge,the correlation between each index and the factors affecting the discharge characteristics were studied.The results indicated that per capita water consumption of rural residents in mountainous,hilly and plain areas was 100.08,96.89 and 94.52 L/(d·cap),respectively.The peak pollutant concentrations in a day were between 10:00-14:00(gray water)and 14:00-18:00(black water),and the maximum pollutant concentrations occurred in winter and the minimum occurred in summer.The median concentrations of COD,SS,NH4_(4)^(+)-N,TN and TP in effluent were 487.5,67.5,3.49,33.85,6.36 mg/L(gray water)and 481,76,97.6,146,13.1 mg/L(black water).A highly significant positive correlation was found between NH_(4)^(+)-N,TN,and TP for two of the three terrains sewage,and the correlations between COD and TN and TP were all significant.Terrain demonstrated a larger significance of level of influence on wastewater quality than the factors of income level and average household size.This study can provide reference for the management of rural domestic sewage in Jiangxi Province and ecological environmental protection in Poyang Lake basin.
作者
胡飞超
姚建峰
刘璐
张文强
王宫廷
庞阔
郭亚丽
张婷
李敏
HU Fei-chao;YAO Jian-feng;LIU Lu;ZHANG Wen-qiang;WANG Gong-ting;PANG Kuo;GUO Ya-li;ZHANG Ting;LI Min(Beijing Key Lab for Source Control Technology of Water Pollution,College of Environmental Science and Engineering,Beijing Forestry University,Beijing 100083,China;Engineering Research Center for Water Pollution Source Control&Eco-remediation,College of Environmental Scienceand Engineering,Beijing Forestry University,Beijing 100083,China;Mudan Branch of Heze Ecological Environment Bureau,Heze 274000,China;Shanghai Investigation,Design&Research Institute Co.,Ltd.,Shanghai 200335,China;Yangtze eco-Environment Engineering Research Center(Shanghai),China Three Gorges Corporation,Shanghai 200335,China)
出处
《长江流域资源与环境》
CAS
CSCD
北大核心
2024年第3期615-624,共10页
Resources and Environment in the Yangtze Basin
基金
中国长江三峡集团有限公司科研项目(202003082)。
关键词
农村生活污水
地形
排放特征
相关性
影响因素
rural domestic sewage
terrain
discharge characteristics
relevance
influencing factors
