Catalytic production of low-carbon footprint sustainable natural gas

被引:41
|
作者
Si, Xiaoqin [1 ]
Lu, Rui [1 ]
Zhao, Zhitong [1 ]
Yang, Xiaofeng [1 ]
Wang, Feng [1 ]
Jiang, Huifang [1 ,2 ]
Luo, Xiaolin [1 ,2 ]
Wang, Aiqin [1 ]
Feng, Zhaochi [1 ]
Xu, Jie [1 ]
Lu, Fang [1 ]
机构
[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
FINDING SADDLE-POINTS; BIOMASS; METHANE; CONVERSION; GASIFICATION; CELLULOSE; POWER; COAL; OPTIMIZATION; HYDROGEN;
D O I
10.1038/s41467-021-27919-9
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The recalcitrance of lignocellulosic biomass is the major limitation for the production of natural gas. Here the authors develop a catalytic-drive approach with Ni2Al3 alloy catalyst to enable nearly complete conversion of various agricultural and forestry residues into natural gas. Natural gas is one of the foremost basic energy sources on earth. Although biological process appears as promising valorization routes to transfer biomass to sustainable methane, the recalcitrance of lignocellulosic biomass is the major limitation for the production of mixing gas to meet the natural gas composition of pipeline transportation. Here we develop a catalytic-drive approach to directly transfer solid biomass to bio-natural gas which can be suitable for the current infrastructure. A catalyst with Ni2Al3 alloy phase enables nearly complete conversion of various agricultural and forestry residues, the total carbon yield of gas products reaches up to 93% after several hours at relative low-temperature (300 degrees Celsius). And the catalyst shows powerful processing capability for the production of natural gas during thirty cycles. A low-carbon footprint is estimated by a preliminary life cycle assessment, especially for the low hydrogen pressure and non-fossil hydrogen, and technical economic analysis predicts that this process is an economically competitive production process.
引用
收藏
页数:9
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