The patented GP+ technology is a chemical-free thermomechanical biorefinery process that produces lignocellulosic sugars from biomass, followed by conversion into cellulosic ethanol. This robust and economical technology uses conventional biomass process equipment on a commercial scale and enables the production of cellulosic ethanol on a small scale, from 10 to 20 million USG/year, with cogeneration of bioenergy. GP+ is currently installed at GranBio’s cellulosic ethanol plant, BioFlex®, of 20 million USG/year, in Alagoas, Brazil.

The GP process is demonstrated at GranBio Technologies Biorefinery in Thomaston, Georgia, where a wide range of biomasses have been converted into cellulose for the production of lignocellulosic paper, sugars, and fuels, including wood and softwood chips, oil palm empty fruit bunches, and sugar cane straw and bagasse.