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New porous ceramics for tangential filtration

机译:用于切向过滤的新型多孔陶瓷

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The aim of the present work is to obtain ultrafiltration membranes of KTiOPO_4 (KTP). Clay A and granitic sand S ceramics were used as porous supports. The choice of these materials has been dictated by their natural abundance (low price) and their thermal stability. The performnces of two ultrafiltration membranes, 1 (A/TiO_2/KTP) and 2 (S/TiO_2KTP) were compared in terms of thickness, pore diameter and water flux. The thickness is less than 800 nm, and the pre diameters are contred near 4.5 and 4 nm, respectively, for a firing temperature equal to 400deg C. these composite membranes can be used in tangential ultrafiltration.
机译:本工作的目的是获得KTiOPO_4(KTP)的超滤膜。粘土A和花岗岩S陶瓷用作多孔载体。这些材料的选择取决于其自然丰度(低价)和其热稳定性。从厚度,孔径和水通量方面比较了两种超滤膜的性能,分别为1(A / TiO_2 / KTP)和2(S / TiO_2KTP)。对于等于400℃的烧成温度,厚度小于800nm,并且预直径分别被控制在4.5nm和4nm附近。这些复合膜可用于切向超滤。

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