Pure Lignin Environmental Technology Ltd. (PLET) has patented a very unique, environmentally friendly biomass-fractionation process that creates three economically profitable products: cellulose, pure lignin and sweet liquor. The patented process can transform waste-wood, grasses, sawdust, corn husks, and any other biomass or vegetation inputs into products that can be used as inputs to other industries such as composite plastics, fuels, food and medicine fields.