A novel thermophilic xylanase from Achaetomium sp. Xz-8 with high catalytic efficiency and application potentials in the brewing and other industries

•First report of a thermophilic xylanase of family 10 in Achaetomium.•Good activity and stability in broad pH and temperature ranges.•Resistant to all tested chemicals and potential in detergent industry.•Simple xylan products and no cellulose activity and useful in biorefinery.•Efficient in mash filtration and valuable in brewing industry.