Figure 8
From: Briquetting of subbituminous coal and torrefied biomass using bentonite as inorganic binder

SEM images of the briquettes with varying bentonite contents (a) 2%, (b) 4%, (c) 6%, (d) 8%, (e) 10%.
From: Briquetting of subbituminous coal and torrefied biomass using bentonite as inorganic binder

SEM images of the briquettes with varying bentonite contents (a) 2%, (b) 4%, (c) 6%, (d) 8%, (e) 10%.