Green extraction of high-quality lignite wax with 1-Butanol for sustainable low-rank coal valorization - Yuting Tao; Qian Yang; Yuting Yang; Zhiping Lei; Muxin Liu; Weidong Zhang; Honglei Yan; ZhanKu Li; Jingchong Yan; Hengfu Shui; Shibiao Ren; Zhicai Wang; et al. (Journal of Environmental Chemical Engineering, 2026)