PDF UNDERSTANDING BRIQUETTING United States Agency for International ...
o coal dust o alfalfa o some nut shells o sisal o bagasse o dung o wood wastes o straw o vines shavings o paper waste o municipal waste ... phisticated briquetting machines, is to heat the feed stock and. then extrude it. Extrusion is a process whereby . the . feed stock is forced through a small opening at high pressure. The result is a