Preparation and application of low-cost fibers for efficient adsorption of oil from coal pyrolysis wastewater and establishment of quantitative equation for calculating oil contact angle under water - Qian Zhou; Bingxiao Feng; Lining Hao; Chao Pan; Hongbing Song; Hengjun Gai; Quanhong Zhu; Meng Xiao; Tingting Huang (Journal of Water Process Engineering, 2023)