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Catalytic production of low-carbon footprint sustainable natural gas.

ABSTRACT: 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.

SUBMITTER: Si X

PROVIDER: S-EPMC8752773 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature

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Catalytic production of low-carbon footprint sustainable natural gas.

Si Xiaoqin X Lu Rui R Zhao Zhitong Z Yang Xiaofeng X Wang Feng F Jiang Huifang H Luo Xiaolin X Wang Aiqin A Feng Zhaochi Z Xu Jie J Lu Fang F

Nature communications 20220111 1

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 ca ...[more]

PMID: 35017501

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Project description:BackgroundThe escalating climate crisis poses a significant threat to global public health. The healthcare sector, designed to protect human health is a major contributor to greenhouse gas emissions, and thus, a key driver of climate degradation. This paradox endangers both planetary and human health, making the decarbonization of healthcare, including primary care, critical. However, research on primary care's contribution to emissions and strategies for mitigation remains limited.AimThis scoping review aimed to map how primary care contributes to healthcare's environmental footprint and determine contributing factors. Additionally, it sought to identify existing and innovative strategies to reduce the carbon footprint of primary healthcare.MethodsA comprehensive strategy was developed to systematically search both published databases and grey literature. Key terms were identified and employed in the exploration of relevant databases and internet search engines.ResultsAn initial search yielded 246 published articles and 25 grey literature sources. 14 additional articles were included following forward and backward searching of prominent authors and key articles. After screening and full-text review, 39 articles and 12 reports/toolkits were included. The majority of sources were opinion pieces, with limited quantitative, observational, or qualitative studies. Primary care's carbon footprint can be classified into clinical and non-clinical sources, with significant impacts from pharmaceuticals and inhaler propellant gases. Contributing factors include limited knowledge of emission sources, lack of awareness of sustainable practices, low prioritization of sustainability, barriers including ethical concerns and over-medicalization. Identified strategies to reduce emissions include decarbonization of patient care, increasing education and awareness, implementing non-clinical decarbonization efforts, and conducting more research to support sustainable initiatives. Developing metrics to track progress and securing policy supports to improve adoption and implementation were also highlighted as critical.ConclusionThe identification of sources of carbon hotspots in primary care is an essential precursor to enable the development of targeted decarbonization strategies. Decarbonizing primary care requires a multifaceted approach that addresses the underlying factors driving unsustainable practices. This would allow healthcare professionals to effectively balance the provision of high-quality patient care, while reducing their environmental impact, ultimately improving both human and planetary health.

Dataset Information

Catalytic production of low-carbon footprint sustainable natural gas.

Publications

Catalytic production of low-carbon footprint sustainable natural gas.

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