Figure 2
From: Briquetting of subbituminous coal and torrefied biomass using bentonite as inorganic binder

Physical properties of the fuel briquettes (a) density, (b) WRI.
From: Briquetting of subbituminous coal and torrefied biomass using bentonite as inorganic binder

Physical properties of the fuel briquettes (a) density, (b) WRI.