Introduction to coal dust Coal dust is formed during the processing, transportation and combustion of coal. The particle size formed is 0.1~1000 microns. According to the size of the particle, coal dust is divided into three categories: coarse coal dust, medium coal dust and fine coal dust. The particle size of coarse coal dust is 10~1000 mic
Introduction to silica sand Silica sand is a non-metallic mineral resource mainly composed of quartz. It is a mineral particle contained in sedimentary rocks formed by weathering, flowing water, sedimentation and biological processes under natural conditions, and after years of geological processes. It is commonly found in beaches, riverbeds,
Что такое глинозем? Оксид алюминия — это твердое неорганическое соединение белого цвета, также известное как оксид алюминия. Это стабильный оксид алюминия и кислорода, являющийся основ