
— In summary, tests were conducted to investigate the impact of SiO 2-H 2 O nanofluids on the wettability of coal dust These tests involve the use of nanofluids at concentrations of 0.1 wt%, 0.5 wt%, 1.0 wt%, and 1.5 wt% on coal samples with particle sizes ranging from 50 to 100 mesh, 100 to 150 mesh, 150 to 200 mesh, and larger than …