废水

废水是什么意思？

废水can be defined as water that has lost its potential to be used for domestic or industrial use. The contaminated water may contain waste products, detergents, cleaning agents, etc. from homes and offices, or harmful chemicals if discharged from industries. Such water is collected from lateral sewers connecting drains from homes, offices and industries to branch sewers that convey the water to main sewers and on to sewage treatment facilities where the water is treated and appropriately disposed of.

T.renchlesspedia Explains Wastewater

处理过的废水通常用于农业目的，但必须确保流出物符合微生物和化学水平的质量标准。未经治疗的废水可以证明是一个主要的健康威胁，因为它是许多病原体和携带疾病细菌的载体。它可以污染饮用水，也可以成为淡水尸体，河口，湿地等环境污染的原因，导致水生植物和动物死亡。

传统上，包括雨水径流的废水被收集在组合下水道中，并在治疗厂排放，然而，在季风，过量的雨水会导致溢出，并且需要未处理的废水被排出。独立的卫生下水道确保在单独的下水道系统中携带需要处理的废水。这使得即使耗尽确实在某些时候进入系统，这允许有效性能。