Original ResearchPublished 20 July 2026Highly efficient hydrodeoxygenation of lignin-derived vanillin over CoN/C catalysts with isopropanolSiyue Li · Zhihua Deng · Yitong Zhang · Yongzhi Xiong · Liangliang Zhang · Changzhou ChenFrontiers in Chemical Engineeringdoi 10.3389/fceng.2026.1890729