Ornamental stone wastes as an alternate raw material for soda-lime glass manufacturing

摘要

The ornamental stone industry is an important economic activity, but it generates great amounts of waste. A way to dispose the wastes is the glass industry. The paper's goal was characterizing ornamental quartzite, granite and marble wastes and use as raw materials to produce soda-lime glasses. The granite and quartzite wastes have silica as its main component and the marble waste is composed by carbonates. The glasses made from the waste have similar properties to those of soda-lime glasses. These results show that the wastes can be used as alternate raw materials to glass manufacturing. (C) 2020 Elsevier B.V. All rights reserved.