Process optimization studies on xylanase production and bioethanol fermentation Tan Chia Zhi, Ivory Thien Sze Chen, Teoh Yi Peng, Lee Kok Chang, Kunasundari Balakrishnan and Ooi Zhong Xian E3S Web Conf., 603 (2025) 03005 Published online: 15 January 2025 DOI: 10.1051/e3sconf/202560303005