【摘要】 城市缓流水体因其受城市发展的影响大、自身流动性小和自净能力弱的特点 ,正处于被人为破坏而面临消失之中。而生物净化技术是根据水体自净的原理而设计和开发的污染水体净化技术。本文列举了国内外城市污染水体常用的生物净化技术的特点及应用情况 ,指出了各种生物净化技术在实际应用中的不足和发展前景 ,为我国城市水体的治理提供参考更多还原

【Abstract】 Municipal slow_flow water bodies are destroyed due to influence from cites development and characteristics of small mobility and weak self_purification ability. Biological purification techniques were developed according to self_purification principle. This paper summarizes the peculiarities and application of biological purification techniques commonly used by our and foreign cities, and indicates shortage and development foreground of the techniques, which will provide reference for treatment of municipal polluted surface water bodies.更多还原