Original ResearchPublished 19 March 2026Quaternized modified waste wood-derived porous carbon electrode for highly selective capacitive deionization denitrificationSumei Zheng · Qin Liu · Xiaomei Huang · Maochun Wei · Furong Tu · Haomei Liu · Meina Xie · Xiaoqing Zhang · Huiju ZhangFrontiers in Chemical Engineeringdoi 10.3389/fceng.2026.1792131