Dahua Institute realizes the production of natural gas from biomass

Sinochem News reported on January 19th from the Dalian Institute of Chemical Physics, Chinese Academy of Sciences that the research group Lu Fang, a researcher in the Biomass Hydrogen Bond Selection Control and Activation Innovation Special Zone Research Group, has developed an efficient biomass catalyst.

According to Lu Fang, the research team developed a technical route to synthesize natural gas from agricultural and forestry wastes, and proposed an efficient catalytic hydrogenolysis strategy that can directly convert a variety of agricultural and forestry wastes to quickly prepare natural gas

Biomass, as a renewable resource widely existing in nature, is mainly composed of cellulose, hemicellulose and lignin

Currently, the pyrolysis/gasification process is one of the widely used biomass feedstock conversion technologies, typically operating at 600°C to 1000°C and producing a gas mixture mainly containing carbon monoxide, carbon dioxide, hydrogen and methane

In order to solve the above problems, according to the structural characteristics of biomass, the research team precisely constructed Ni2Al3 alloy catalytic active centers to promote the efficient breaking of carbon-oxygen and carbon-carbon bonds in the macromolecules of primary biomass, and finally through the strategy of efficient hydrogenolysis, The direct catalytic conversion of primary biomass to produce natural gas under mild conditions

The whole life cycle and economic evaluation analysis shows that compared with fossil natural gas, biomass natural gas reduces carbon emissions by about 30%.

"This technical route is expected to realize the preparation of biomass natural gas from primary biomass, using renewable hydrogen, etc.

In response to the successful catalytic conversion of primary biomass into low-carbon natural gas, Lu Fang said that in the next step, the research team will actively explore how to transform the batch reactor of the existing reaction system into a suitable continuous reactor, and plan to The reaction is scaled up in a continuous reactor

　　Natural gas is one of the important basic fossil energy sources, which can be used as fuel for power generation, heating and transportation, and can also be used to produce bulk chemicals such as methanol