secondary treatment of wastewater

Absorbing SO 2 with wastewater effluent after biological treatment is a new technology of treating waste with wastewater and without secondary pollution.

废水生化出水吸收二氧化硫是一种以废治废，不产生二次污染的新方法。

The treatment effects of secondary effluent of wastewater treatment plant by conventional treatment process are studied.

对常规处理工艺再生城市污水的效果进行了试验研究，初步讨论评价了再生水中化学污染物对人体的健康风险。

An experiment of advanced treatment of secondary effluent in an urban wastewater treatment plant is carried out to produce reclaimed water reused for scenic water, in which the method of combination aerobia biofilm with micro-flocculation fibre filter is used as the main treatment process.

采用纤维生物膜滤池-强化微絮凝纤维过滤的方法，对城市污水厂二级出水进行深度处理，回用于人工景观水体。

Treatment of the wastewater by constructed wetland method is often available as the secondary and tertiary treatment, due to its better characteristics, such as easy construction, low running cost, less energy consumption, convenient maintenance and cushioning capacity and so on.

人工湿地处理法具有易于建设、运行费用低、耗能少、维护方便和运行过程缓冲能力强等特点，适合用于养殖业废水的二级或三级处理。

Microfiltration/ Reverse Osmosis Process for Advanced Treatment of Secondary Effluent from Wastewater Treatment Plant

微滤/反渗透净化污水厂二级处理出水