摘要 |
BIOMASS (E.G., PLANT BIOMASS, ANIMAL BIOMASS. AND MUNICIPAL WASTE BIOMASS) IS 5 PROCESSED TO PRODUCE USEFUL PRODUCTS, SUCH AS FUELS. FOR EXAMPLE, SYSTEMS ARE DESCRIBED THAT CAN USE FEEDSTOCK MATERIALS, SUCH AS CELLULOSIC AND/OR LIGNOCELLULOSIC MATERIALS, TO PRODUCE ETHANOL AND/OR BUTANE[, E.G., BY FERMENTATION. (FIG. 1) |