Kinetic and mechanistic investigation of catalytic alkaline thermal treatment of xylan producing high purity H-2 with in-situ carbon capture
- 주제(키워드) Hydrogen , Biomass , Xylan , Alkaline thermal treatment , BioEnergy with carbon capture and storage , CO2 capture
- 주제(기타) Chemistry, Multidisciplinary
- 주제(기타) Engineering, Chemical
- 설명문(일반) [Zhang, Kang; Ouassil, Nicholas; Campo, Carlos Andres Ortiz; Rim, Guanhe; Park, Ah-Hyung Alissa] Columbia Univ, Lenfest Ctr Sustainable Energy, New York, NY 10027 USA; [Zhang, Kang] State Grid Zhejiang Elect Power Res Inst, Hangzhou 310014, Peoples R China; [Kim, Woo-Jae] Ewha Womans Univ, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea; [Park, Ah-Hyung Alissa] Columbia Univ, Dept Earth & Environm Engn, New York, NY 10027 USA; [Park, Ah-Hyung Alissa] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA
- 관리정보기술 faculty
- 등재 SCIE, SCOPUS, KCI등재
- OA유형 Bronze
- 발행기관 ELSEVIER SCIENCE INC
- 발행년도 2020
- URI http://www.dcollection.net/handler/ewha/000000169573
- 본문언어 영어
- Published As https://dx.doi.org/10.1016/j.jiec.2020.02.004
초록/요약
A novel biomass conversion pathway that integrates carbon capture and storage schemes has been investigated using hemicellulose as the biomass feedstock. The alkaline thermal treatment (ATT) produces high purity H-2 from biomass mixed with hydroxide and it can be considered as a bio-energy with carbon capture and storage (BECCS) technology, since the carbon in biomass becomes solid carbonates during the ATT reaction. In this study, in the presence of Ni catalyst, Group 1 and 2 hydroxides are employed to produce as high as 60 mmol H-2 (96.8% purity) from 1 gram of hemicellulose (xylan) feedstock with in situ carbon capture at mild conditions (i.e., atmospheric pressure and relatively low temperatures <= 773 K). Reaction pathways of hydrogen production in the ATT of hemicellulose are proposed via the investigation of the roles of each hydroxide and catalyst in the H-2 formation from hemicellulose. Along with the previous studies on glucose and cellulose, this research lays a foundation for future development of H-2 production from real biomass with carbon-neutral or possibly negative potential. (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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