biological filtration process

基本解释

Parameters of manganese sand biological filtration process in recycling of wastewater from steel and iron production;
採用天然錳砂濾料接觸氧化法對去除工業冷卻水中錳、鉄的工藝條件進行了研究。
It is believed that biological zeolite filtration process might be best with wide foreground for this slightly polluted water renovation.
認爲生物沸石過濾法是一種優勢明顯、應用前景廣濶的微汙染水処理方法。
This article presents some parts at optimization of the filtration process and some key questions at Biological filtration.
論述了過濾優化的幾個方麪以及生物過濾中應注意的一些關鍵問題。