2024/2/1/ · Bio-oil: 45,1: Pig manure: 500, 30, min, 20 °C/min, N 2: Fixed-bed reactor: The results confirmed the existence of volatile interaction during co-pyrolysis at the temperature from 350 to 650 °C, which enhanced the yields of biochar and bio-oil at the expense of gaseous products: Bio-oil: 46.9: Biochar: 34.9: Pyrogas: 18.2: Pig manure