利用双金属Ti -负载fe2o3 - mno2氧载体有效地直接化学环燃烧煤

IF 2.7 4区 环境科学与生态学 Q3 ENERGY & FUELS
Ewelina Ksepko, Rafal Lysowski
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引用次数: 2

摘要

本文通过化学环法对5种负载在TiO2上的Fe2O3-MnO2双金属氧载体进行了评价。通过机械混合和高温煅烧制备氧载体。样品含有不同数量的Fe2O3 (20-50 wt.%)和MnO2 (65-30 wt.%),但惰性物质的数量相同(15 wt.%)。考察了氧载体的组成和工艺温度对其与所选硬煤反应性的影响。氧载体中锰的含量与其对燃料的反应性呈正相关。结果表明,经过8个反应循环后,氧载体仍能与灰渣发生副反应。从而证明了所制备的氧载体的物理化学稳定性。©2023化学工业协会和John Wiley &儿子,有限公司
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effective direct chemical looping coal combustion using bimetallic Ti-supported Fe2O3-MnO2 oxygen carriers

In this paper five bimetallic Fe2O3-MnO2 oxygen carriers supported on TiO2 were evaluated for direct hard coal combustion via chemical looping path. The oxygen carriers were obtained via mechanical mixing and high-temperature calcination. The samples contained varying amounts of Fe2O3 (20–50 wt.%) and MnO2 (65–30 wt.%) but an identical amount of inert material (15 wt.%). Both the impact of the oxygen carrier's composition and the process temperature on their reactivity with the selected hard coal were evaluated. The amount of manganese in the oxygen carriers correlated positively with their reactivity toward the fuel. It was concluded that after eight reaction cycles the oxygen carriers remained resilient for side reactions with the ash residue. Thus, the physicochemical stability of the presented oxygen carriers was proved. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.

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来源期刊
Greenhouse Gases: Science and Technology
Greenhouse Gases: Science and Technology ENERGY & FUELS-ENGINEERING, ENVIRONMENTAL
CiteScore
4.90
自引率
4.50%
发文量
55
审稿时长
3 months
期刊介绍: Greenhouse Gases: Science and Technology is a new online-only scientific journal dedicated to the management of greenhouse gases. The journal will focus on methods for carbon capture and storage (CCS), as well as utilization of carbon dioxide (CO2) as a feedstock for fuels and chemicals. GHG will also provide insight into strategies to mitigate emissions of other greenhouse gases. Significant advances will be explored in critical reviews, commentary articles and short communications of broad interest. In addition, the journal will offer analyses of relevant economic and political issues, industry developments and case studies. Greenhouse Gases: Science and Technology is an exciting new online-only journal published as a co-operative venture of the SCI (Society of Chemical Industry) and John Wiley & Sons, Ltd
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