"Sewage sludge" means sludge arising from urban effluent treatment plant and includes pretreatment waste, scourings and unstabilised sludge.
“下水道淤泥”,是指经城市污水处理厂产生的淤渣,包括预处理的废物、污垢和性质不稳定的淤泥。
2
Treating combined sewageeffluent from a secondary treatment plant, the process achieved 94.5% cadmium removal for the trace quantities present .
用这种方法处理二级处理厂排出的综合下水,可除去水中含镉量的94.5。
3
Kesults of one years' surveillance on affluent and effluent virus content in sewage passing through the Shanghai County sewage Treatment plant are reported.