期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 45, 期 16, 页码 9279-9284出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.01.231
关键词
Carbon sequestratration; Carbon capture; Hydraulic fracturing; Climate change; Steam methane reforming
An opportunity to sequester large amounts of carbon dioxide (CO2) is made possible because hydraulic fracturing is used to produce most of America's natural gas. CO2 could be extracted from natural gas and water using steam methane reforming, pressurized to its supercritical phase, and used instead of water to fracture additional hydrocarbon-bearing rock. The useful energy carrier that remains is hydrogen, with carbon returned to the ground. Research on the use of supercritical CO2 is reviewed, with proppant entrainment identified as the major area where technical advances may be needed. The large potential for greenhouse-gas reduction through sequestration of CO2 and avoidance of methane leakage from the natural gas system is quantified. (C) 2020 The Author(s). Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC.
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