Hafiz M. Irfan , Chao-Chuan Yang , Wei Wu , Bo-Jhih Lin , Jia-Shyan Shiau
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引用次数: 0
Abstract
For mitigating net CO2 emissions of the oxygen blast furnace (OBF) system, the top gas recycling by connecting a Monoethanolamine (MEA)-based CO2 capture process as Scenario 1 (OBF + CC) and a carbon capture and utilization (CCU) process as Scenario 2 (OBF + CCU) is proposed. Scenario 2 utilizes a Triethylene glycol (TEG) physical absorption process for producing an industrial-grade 99.999 % purity liquid CO2 product. Carbon tracking in Aspen Plus indicates that Scenario 2 achieves significantly lower CO2 emissions with 4.1 kg CO2/tHM than Scenario 1 with 770 kg CO2/tHM. To synergize Aspen Plus® modeling and environmental impact assessment using SimaPro®, Scenario 2 has a lower impact on eutrophication potential, acidification potential, water depletion, and fossil resource depletion as compared to Scenario 1. Techno-economic analysis of Scenario 2 indicates that the liquid CO2 product generates a potential profit of 973.95 USD/tHM, which fully offsets the CO2 production cost of 378.33 USD/tHM in the CCU process.
期刊介绍:
Fuel Processing Technology (FPT) deals with the scientific and technological aspects of converting fossil and renewable resources to clean fuels, value-added chemicals, fuel-related advanced carbon materials and by-products. In addition to the traditional non-nuclear fossil fuels, biomass and wastes, papers on the integration of renewables such as solar and wind energy and energy storage into the fuel processing processes, as well as papers on the production and conversion of non-carbon-containing fuels such as hydrogen and ammonia, are also welcome. While chemical conversion is emphasized, papers on advanced physical conversion processes are also considered for publication in FPT. Papers on the fundamental aspects of fuel structure and properties will also be considered.