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首页> 外文期刊>Key Engineering Materials >Preparation of Porous Wollastonite Ceramics for Filtration
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Preparation of Porous Wollastonite Ceramics for Filtration

机译：多孔硅灰石陶瓷的制备

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摘要

Wollastonite powder was selected as a starting material with carbonate as pore-forming agent and binder added. The porous ceramics were prepared at different temperature by sintering method. The process includes batching, granulating, pressing molding, drying and sintering. It is discussed the influence of sintering temperature, dosage of binder, dosage of pore-forming agent, pressure of molding and holding time on the performance of porous ceramics. According to the principle of particles stack, the porous Wollastonite ceramics for filtration with various diameters, shapes and porosity were fabricated by serial experiments. These products have 1 to 10 microns in pore size, 30.04 to 66.15% in porosity, 2.82 m~2/g in specific surface area.
机译：选择硅灰石粉末作为起始材料，并以碳酸盐作为成孔剂并添加粘合剂。通过烧结法在不同温度下制备了多孔陶瓷。该过程包括配料，制粒，压制成型，干燥和烧结。讨论了烧结温度，粘结剂用量，成孔剂用量，成型压力和保温时间对多孔陶瓷性能的影响。根据颗粒堆积的原理，通过一系列实验，制备了具有不同直径，形状和孔隙率的多孔硅灰石多孔陶瓷。这些产品的孔径为1至10微米，孔隙率为30.04至66.15％，比表面积为2.82 m〜2 / g。

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