Biochar-based MOFs catalyst as well as preparation method and application thereof

The invention belongs to the technical field of biomass energy utilization, and particularly relates to a biochar-based MOFs catalyst as well as a preparation method and application thereof, and the preparation method comprises the following steps: preparing biomass pyrolytic carbon, preparing modified biochar, preparing a carbon-based MOFs catalyst, preparing a nickel-loaded carbon-based MOFs catalyst, and performing microwave catalytic pyrolysis. The prepared biochar-based MOFs catalyst is excellent in catalytic performance, can be applied to biomass microwave catalysis for preparation of high-value aromatic hydrocarbon and hydrogen, realizes high-quality gas-liquid co-production, can be recycled repeatedly, and is an efficient catalyst. 本发明属于生物质能源利用技术领域，尤其涉及一种生物炭基MOFs催化剂及其制备方法和应用，包括制备生物质热解炭、制备改性生物炭、制备炭基MOFs催化剂、制备镍负载炭基MOFs催化剂、微波催化热解；本发明所制得的生物炭基MOFs催化剂催化性能优异，可应用于生物质微波催化制备高值芳香烃和氢气，实现高质量的气液联产，且可以重复回收利用，是一种高效的催化剂。