How to Make Charcoal Briquettes: Ingredients and Composition .
Jun 12, 2016 . A briquette is a block of compressed coal dust, charcoal dust, sawdust, . White Ash Color - Calcium carbonate, lime or line; Binder – starch. . Press release – use borax; Filler – for adulteration use silica, clay, soil, etc ... ash materials can be separated by screening the charcoal fines and rejecting.