Multimedia filter is a kind of equipment which uses one or several kinds of filter media to purify turbidity water under certain pressure to remove suspended impurities and clarify water. The filter medium of multi-media filter is the key to the purification effect, so what is the basis for selecting the filter medium?
According to the following, we take Shandong Multimedia Filter as an example to explain the selection of filter media.
(1) The filter media should have certain chemical stability;
(2) It should not contain substances harmful to human health or toxic substances, nor substances harmful to production or affecting production.
(3) For the selection of filter materials, we should try our best to use filter materials with high adsorption capacity, high sewage interception capacity, high water yield and good effluent quality.
(4) Must have enough mechanical strength to avoid rapid wear and tear during backwashing.
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