Study Of Technical And Economic Feasibility On Reused Water From The Municipal Sewage Treatment Plant In Fuzhou

This is the first sewage treatment plant in Fuzhou reusing standard example. We willfrom the policy, technology, efficiency, Fuzhou social aspects of the investigation carryout the necessity and feasibility of middle water reuse project, and evaluate system andmethod of application.First through a questionnaire survey carded out for the public to understand Fuzhouwater reuse project acceptance, analysis of the factors affecting the use of the correlationbetween water, and the cultural level, the degree what is middle water is positivelycorrelated, gender, age, income is negatively correlated, which will provide the basis forthe future; Secondly, technical feasibility mostly analysis from the source water, watersafety, recycling means, laying of pipe network, and other aspects of analysis. Thtoughvisiting the relevant departments,we predict the using volume of middle water will be350,000 tons by 2010 in Fuzhou, it can use in landscaping, rushing onto the road, washingcars, flushing and other fields; it will lay pipe 24.92km, the total investment is estimated at35.416 million yuan, the annual expenses is about 25.3248 millon yuan, the annual netbenefit is 67.8 million yuan, the benefit-cost ratio is 1.91, benefit is higher thaninvestment.The evaluation result of middle water reused project in Fuzhou, technical, economicand social factors the weight of three is 0.637, 0.258, 0.105, the largest share is technicalspecifications.Therefore, in the early phase of the project, it is particularly important to theinvestigation and verification on the middle water quality standard, rate of capacityutilization, full utilization of middle water.The results show that feasibility reusing water from the sewage treatment plant inFuzhou has a higher standard, which has the higher the economy, environmental andsocial benefits.