Interfacial reactions of C, CO and CH4 in a Fe/Ca/O reactive framework for hydrogen-enriched sludge gasification: selective activation, lattice oxygen extraction, and reduction-coupled carbonation - Longgui Xie; Qihong Cen; Qian Wang; Tao Zhou; Xia Yin; Wang Du; Mingyi Sun; Ping Ning; Quxiu Dai; Nanqi Ren; Binbin He; Liping Ma (Chemical Engineering Journal, 2026)