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水体自净是指进入水体的污染物质随时间和空间的变化,通过一系列的物理、化学和生物的变化而自然降解,使水体部分或完全恢复到原有的水质状况。在漭河治理过程中,经过不断探索、科学论证,借鉴外地成功经验,加大了河道污染的治理力度,保留水体自净的自然环境,恢复了水体自净的能力,取得了明显的治理效果。
Self-purification of water means that the pollutants entering the water body change with time and space and naturally degrade through a series of physical, chemical and biological changes, so that the water body partially or completely returns to the original water quality condition. Through continuous exploration, scientific demonstration and successful experiences in other places, the management of Bahe River has intensified the harnessing of river pollution, retained the natural environment of self-purification of water body, restored the self-purification ability of water bodies and achieved obvious governance effects.