The filtration mechanism of PVA17-88 crosslinked is that the formation of a fine film between filtrate medium and cake can prevent loss of water in slurry into formation.
The turbidity level may increase in clear water tank, probably because of the high turbidity level of the filtrate after backwashing.
清水池内浊度容易升高,这可能与滤池初滤水的水质较差有关。
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METHODS:We decoct the Chinese medicine Scutcllaria Baicalensis Georgi by adding water, then drainaging and filtering it under the negative pressure before we collect the filtrate.