refined pottery meaning in English

精陶

Ceramic grain filters ard made of refined pottery clays added with certain modifiers , and processed of grinding , mixing , shaping and high temperature sintering . they do not contain any substances that harmful to people or environment . they are hard and rough in surface , porous inside the structure , and have the advantages of high mechanical strength , large specific surface area and porosity . when used in water treatment , they behave a activated surface property , a great amount of pollutant entrapment , less water head loss in the filter bed , lower consumption of back - flush water , stable in chemical and gbiologic property , and long service life , ceramic grain filters is a new and efficient filter material to increase the water yield , upgrade the water quality , and save chemicals and energy
陶粒滤料是以精制陶土为主要原料,掺加适量改性剂,经粉碎,混练,成型和高温煅烧而制成的,不含任何对人体和环境有害的物质.其表面坚硬,粗糙,内部疏松,多孔,具有机械强度高,比表面积大,孔隙率大的特性.用于水处理中,具有表面性状好,截污能力强,过滤水头损失小,反冲洗耗水量低,化学稳定性和生物学稳定性好,使用寿命长的特点.陶粒滤料是一种能增加水产量,提高出水质量,节省药剂和能耗的新型高效过滤材料