| abstract |
The invention discloses a preparation method and application of a functional material of a biomass-based macroporous in-growth carbon nanotube, wherein the preparation method comprises the following steps: (1) pretreating the massive biomass to obtain a material A; (2) dissolving nickel salt in methanol, uniformly stirring to obtain a solution B, putting A into B, performing ultrasonic treatment, and putting into a vacuum drying oven for reaction to obtain a bulk material C; (3) filling the blocky material C into a fixed bed microreactor for in-situ reduction to obtain a material D loading metallic nickel in a biomass macropore; (4) and introducing a carbon source, and regulating and controlling the parameters of the micro-reactor to obtain the functional material E. The functional material has the characteristics of regular macroporous channels, larger specific surface area, high graphitization degree and the like, increases the contact surface with active substances, and improves the reaction airspeed and catalytic activity; the carbon nano tube wraps the nickel metal core-shell structure, so that electron transfer between core shells is promoted, the surface electron cloud density is increased, and the domain-limiting effect is favorable for improving the selectivity of products. |