noun, noun or participle which takes 'suru'
roasting; calcination; torrefaction
Technical term used in metallurgy and materials processing for heating a substance in air to bring about a chemical change, such as oxidation or removal of volatile components.
鉱石を焙焼して硫黄分を除去する。
The ore is roasted to remove sulfur content.
この
In this process, the raw material is roasted and then melted.