摘要
随着工业迅速发展，城市人口逐渐增加，人民生活水平逐渐提高以及近期世界经济的高速发展，各种用水量亦随之增长。这就使得水资源供需矛盾愈来愈突出。目前我国城市污水厂存在的普遍主要问题是财政负担过重；筹资困难；建设周期长；面对污水治理的严峻形势和巨大的资金压力，势必寻找适合我国特色的低能耗、高性能的污水处理工艺技术。
根据西南科技大学水处理中心(以下简称水处理中心)的功能需求，选取集SBR法、氧化沟法、UNITANK的优点于一身的LIER—POOLK城市污水处理工艺，进行了该中心的工艺设计。该水处理中心可有效处理校区污水，且整个系统具有占地少、投资省、能耗低、运行成本低的特点，非常适合中小城市，特别是西部地区中小城市的污水处理。
水处理中心还具有教学、实验、科研等功能，能为本科生参观实习，老师、研究生进行技术研究提供充分的条件。
水处理中心力争建设成为集教学、科研、实验、污水处理于一体的示范工程，
With the development of industry, the increasing of population, the improvement of demos life level and the high-speed development of international trade in the near future, the scarcity of water resource is getting from bad to worse. Nowadays the main problem of China sewage treatment plant is too weightiness of finance burden, difficult to raise investment, long building period; Facing the austere situation of sewage treatment and huge pressure of investment, so the technology concerning low power consumption but high capability of sewage treatment is urgent needed.
According to the requirement for the water treatment center of southwest and technology university, we choose the LIER-POOLK sewage treatment technology that unify the SBR, Oxidation ditch, UNITANK and carry through the design for it. The center can treat university's waste water effectively and have such characteristic as few area, low investment, low power consumption, low cost, which is fit for medium and mini type city especially western of China.
The center have the function for teaching, experiment, researching, practice for graduate student and provide plenty condition to research for them.
The center try for building a sample engineering that unify the teaching, researching, experiment and sewage treatment.
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