Is the slag from the glass factory poisonous?

Yes According to X Science and Technology Network, the slag in glass factory contains a certain amount of chemical substances, such as silicate, alumina, calcium oxide, magnesium oxide, sodium oxide and so on. Substances have adverse effects on the environment and human health, and are toxic. Slag is a kind of melt produced in pyrometallurgical process and floating on the surface of liquid substances such as metals. Its components are mainly oxides (silica, alumina, calcium oxide, magnesium oxide), often containing sulfides and a small amount of metals.