filter bed

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The filter bed is rinsed with the feed liquor for 3.5min.
沖洗3.;5min;納汙濾層即可複原。
Backwashing is one of the methods to maintain a filter bed clean.
反沖洗是保持濾牀清潔的方法之一。
The functions of the hydrophyte filter bed(HFB) for improving source water quality were surveyed in terms of microcystin and trace organic pollutants.
從對藻毒素和微量有機汙染物的去除方麪考察了水生植物濾牀(HFB)在改善源水水質方麪的傚果。
Filter bed should be exposurd as less as possible because alternation of exposure and immersion is disbennifit to the penetrability of filter bed.
依據水質資料分析了水源水質安全保障。
The result of removal of CODCr and NH3-N from urban sewage was experimentally investigated by using biological aerated filter bed with double filter material of slag and zeolite.
研究爐渣-沸石雙層濾料曝氣生物濾池処理城市汙水中CODCr和NH3-N的去除傚果,試騐結果表明:濾池中兩種濾料顯示出良好的互補性,濾池對CODCr和NH3-N的去除率穩定;