南宁市中水回用问题与对策研究

中水水量稳定,处理达标后的中水可回用于工业冷却、农业灌溉、城市杂用及河流景观补水等方面。中水回用对缓解城市干旱缺水具有一定作用。以近年来南宁市遭遇的干旱为依据,阐述了中水回用的必要性。介绍了南宁市水资源及中水回用状况,分析中水回用存在问题,提出了南宁市中水回用对策。根据南宁市污水处理厂及潜在中水用户分布,结合南宁市各行业用水实际情况,南宁市中水宜就近回用作工业用水及生态环境用水,也可由罐车输送用于道路冲洗及城市绿化灌溉。

Study on Problems and Countermeasures of Reclaimed-water Reuse in Nanning

The effluent of urban municipal sewage plant is discharged every day which makes it a prospective solution on rebering water - shortage in city by applying the sewage to industrial cooling, agricultural irrigation, urban miscellaneous purpose, refilling river, water landscape etc. after treated it to meet with corresponding standards. Reclaimed - water reuse is demonstrated necessary based on the drought in the past few years in Nanning, a rainy city in South China. Meanwhile analysis on problems existed in reclaimed - water reuse are also conducted. The countermeasures in reclaimed water reuse are brought forward consequently. Reclaimed - water is suggested to use for industrial purpose, refilling river and water landscaping considering current situation of water resources, consumption of water in different industries, location of urban municipal sewage plant and potential con- sumer in Nanning.