1. Silicon slag: generally refers to the remaining part after refining raw ore, and also contains a certain amount of silicon. There are many types of silicon slag, including industrial silicon slag, solar silicon slag, semiconductor silicon slag, etc. Silicon slag can be used for recrystallization and purification. Silicon material is currently in short supply and expensive.
2. Silicon waste: generally refers to the worthless things, damaged things and expired things produced during the production of metallic silicon and organic silicon. Among them, there is a lot of silicone waste, many of which are sent from foreign waste disposal companies.