Lignocellulosic feedstocks are often prepared for ethanol fermentation by treatment with a dilute mineral acid catalyst that hydrolyzes the hemicellulose and possibly cellulose into soluble carbohydrates. The acid-catalyzed reaction scheme is sequential. whereby the released monosaccharides are further degraded to furans and other chemicals that are inhibitory to the subsequent fermen... https://www.atome3des.shop/product-category/graveur-decoupeur-laser/