Abstract: : A two-stage process using aqueous ammonia and hot-water has been investigated to fractionate corn stover. To optimize the fractionation process so that hemicellulose recovery and purity in the liquid hydrolysate were maximized, the experiments were carried out employing response surface methodology (RSM). A central composite design (CCD) was
used to evaluate and confirm the effectiveness and interactions of factors. The optimal
fractionation conditions were determined to be as follow: (1) First-stage reactor operated in
batch mode using a 15% NH4OH solution (WNH3 =15%) at 1:10 solid:liquid ratio, 60 °C and 24 h; (2) second stage percolation reactor operated using hot-water at 20 ml/min, 200 °C, and 10 min. The model predicted 51.5% xylan recovery yield and 82.4% xylan purity under these conditions. Experiments confirmed the maximum xylan recovery yield and purity were 54.7% and 83.9% respectively under the optimal reaction conditions.
Cite this article as:
Nishchal Baniya;
Conversion of Ligno Cellulose to Biofuel;
Nor. Am. Aca. Res. 2019 : 2(9) : 113-125; https://doi.org/10.5281/zenodo.3457643