... raw material into briquette.4. Make briquette carbonized in the carbonized oven.5. The shape of briquette can be round, square, ... pressure and temperature. Lignin serves as the glue in the briquetting process, thus binding, compressing the biomass to form into high density ... have, please let us know. we will try our best to satisfy you. Sawdust Briquetting Machine, hot sell in Senegal, Africa,etc