…(2) Clarifying filter (a) Filter media filter Since it is used for filtering drinking water, industrial wastewater, or recovering lubricating oil, and other liquids with extremely low solid concentrations, the pressure is often low and the filter media is made of porous porcelain or sintered metal, ranging from a sand layer or a fiber-packed layer, and particles are captured within the filter media without forming a cake. (b) Auxiliary layer filter This is the same clarifying filtration, but it is filtered using a layer precoated with an auxiliary agent, and includes ultrafilters. (3) Slurry concentration filter This is used to concentrate dilute slurry by about 2 to 5 times its concentration, and the pressurized slurry is passed through it and filtered on the side, removing some of the water, thereby concentrating it. … *Some of the terminology that refers to "Ultrafilter" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(2)清澄ろ過機clarifying filter (a)ろ材ろ過機 飲料水や工業用廃液のろ過,あるいは潤滑油の回収などきわめて固体濃度の薄い液体を対象とするので,圧力も低い場合が多く,ろ材も砂層,繊維充てん層から多孔質の磁器や金属焼結体を用い,ケーキを形成せずろ材内で粒子を捕集する。(b)助剤層ろ過機 同じ清澄ろ過であるが,助剤でプレコートした層でろ過を行うもので,ウルトラフィルターなどがある。(3)スラリー濃縮用ろ過機 希薄なスラリーを2倍から5倍程度に濃縮するもので,加圧スラリーを流しながらその側面でろ過を行い一部の水分をぬき取ることによって濃縮を行う。… ※「ウルトラフィルター」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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