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A portable water filter, which is composed of an outer barrel, a transmission, and an inner barrel, is powered by centrifugal force. The transmission, comprising a shaft and a pedal, is housed at the bottom of the outer barrel. The shaft rotates when a force is applied to the pedal. The inner barrel is housed inside the outer barrel. The end of the shaft penetrates the bottom of the outer barrel and...
In this paper, we studied the removal of high fluoride from drinking water treated by two new fly ash filter materials A and S. The results showed that both filter materials can be used for adsorbing fluoride, the adsorption type is Freundlich, a multi-adsorption with medium coverage; the required mass of adsorbents for an aqueous solution of 1 m3 with 4 mg/L concentration of fluoride are 2.46 kg...
Two different granular activated carbon (GAC) filters were utilized to investigate the removal efficiency of bromate and natural organic matters (NOM) during the transition from fresh GAC to the biological activated carbon (BAC). The removal efficiency of bromate, nitrate, UV254, DOC, and trihalomethane formation potential (THMFP) in GAC filter apparently decreased during the transition from fresh...
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