Preparation of CO2/N2 cryogenic slurry and its pipeline flow characteristics ZHANG Xin-hai, DOU Kai, ZHANG Guo-wei, LI Xun-guang, CHENG Wang-shou and ZHU Hui E3S Web Conf., 233 (2021) 01068 Published online: 27 January 2021 DOI: 10.1051/e3sconf/202123301068