【摘要】 粉石英增白试验研究田中凯，袁楚雄，刘奇，张明（武汉工业大学资源与环境工程系，武汉４３００７０）关键词粉石英，包覆方法，增白天然粉石英在我国是８０年代开发的一种非金属矿物原料，在江西和湖南资源丰富［１，２］。它只需经过擦洗、分级等处理就可获得３２５目或...更多还原

【Abstract】 mesh or 400 mesh high pure quartz powder is produced by processing natural powdery quartz, but whiteness isn’t high enough to be used as high quality filler. Coating method is used in this paper.After a series of experiments, it is found that the Whiteness of powdery quartz which is only 56. 4 percent before treatment is raised to 81. 7 percent by the process,and it reaches the requirement for the whiteness of quartz powder by general users.更多还原