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西南地区农村生活污水水质分析及村民意愿调查
ANALYSIS ON QUALITY OF DOMESTIC SEWAGE AND INVESTIGATION OF VILLAGERS’ WILLINGNESS FROM THE RURAL AREAS OF SOUTHWEST CHINA
【摘要】 为了解西南地区农村环境连片整治示范村镇生活灰水排放特点、产生量及物化特性等,采取问卷调查和取样分析相结合的方式对西南地区8个市、9个农村示范村镇的生活灰水进行调研和采样分析。结果表明:调研的西南农村地区外排的生活灰水日平均产生量为(8.99±0.84)L/(cap·d)。不同农村地区生活灰水的水质指标p H、SS和TP平均浓度较为接近,而COD、NH3-N和TN平均浓度却存在一定差异。调研农村地区外排污水主要为厨房、洗涤及洗漱污水,且厕所污水直接排放的现象依然存在。此外,生活污水对农村环境产生的影响主要为恶臭、环境卫生和水体污染。超过50%的村民表示有必要处理生活污水,且愿意支付污水处理费用在10元/(户·月)之内为宜。
【Abstract】 In order to understand the quantity,discharge situation,physical and chemical properties of rural domestic wastewater in the rural areas of Southwest China,9 villages in 8 cities were chosen to study by questionnaire survey as well as sampling analysis. The results showed that the daily average output of gray wastewater in the rural areas of Southwest China was( 8. 99 ± 0. 84) L/( cap·d). The average concentrations of p H,SS and TP in the gray wastewater in different rural areas were close,while the average concentrations of COD,NH3-N and TN were different. Survey indicated that kitchen and washing water was the major contributors. However,direct discharge of toilet water in rural areas around the country still existed. In addition,the major impacts of domestic sewage on rural environment were odor,environmental sanitation and water pollution. More than 50% of villagers believed that it was necessary to deal with the domestic sewage,and the sewage treatment costs should be kept within 10 yuan/( household·month).
【Key words】 rural areas in Southwest China; rural domestic sewage; wastewater quality; willingness to pay;
- 【文献出处】 环境工程 ,Environmental Engineering , 编辑部邮箱 ,2018年08期
- 【分类号】X799.3
- 【被引频次】16
- 【下载频次】1024