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  • Jiang, GuancongState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)

Critical Role of Carbonized Cellulose in the Evolution of Highly Porous Biocarbon : Seeing the Structural and Compositional Changes of Spent Mushroom Substrate by Deconvoluted Thermogravimetric Analysis

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-12-16
  • American Chemical Society (ACS),2020
  • printrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:ltu-82416
  • https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-82416URI
  • https://doi.org/10.1021/acs.iecr.0c05174DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-191237URI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Validerad;2021;Nivå 2;2021-01-15 (alebob);Finansiär: National Natural Science Foundation (21838004, 91934302), State Key Laboratory of Materials-Oriented Chemical Engineering (KL18-01), Ministry of Research and Innovation of Romania (PN-III-P4-ID-PCCF-2016-0050)
  • Structural optimization of activated carbon (AC) mainly relies on experience, which depends on the intrinsic structure of biochar, processing conditions, and the interplay of both parties. A fundamental understanding of the pore structure evolution related to the intrinsic structure and composition remains a challenge. In this work, spent mushroom substrate, a rapidly growing byproduct of the mushroom cultivation industry, is used as model biomass to prepare AC under CO2 activation. The structure and composition of the AC products with different activation durations were systematically analyzed with several characterization techniques including N2 adsorption–desorption, scanning electron microscopy, X-ray diffraction, and Raman spectroscopy. A multipeak separation method is developed that enables quantitative analysis of carbonized lignin and carbonized cellulose. A peak area ratio parameter is proposed to describe the retention of cellulose. It is revealed that higher retention of carbonized cellulose corresponds to a larger Brunauer–Emmett–Teller (BET) surface area, demonstrating the dominant role of cellulose in the pore structure development process. This work not only provides a qualitative correlation between cellulose and rich porous structure but also offers a new quantitative tool to understand the structure–composition relationship during the pore evolution process.

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  • Cai, LiangchengState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)
  • Wang, ShiboState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)
  • Laaksonen, AattoStockholms universitet,Luleå tekniska universitet,Energivetenskap,State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China. Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden. Centre of Advanced Research in Bionanoconjugates and Biopolymers, Petru Poni Institute of Macromolecular Chemistry, Aleea Grigore Ghica-Voda, 41A, 700487 Iasi, Romania,Institutionen för material- och miljökemi (MMK),Nanjing Tech University, China; Petru Poni Institute of Macromolecular Chemistry, Romania; Luleå University of Technology, Sweden(Swepub:su)aatto (author)
  • Feng, XinState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)
  • Mu, LiwenState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)
  • Lu, XiaohuaState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)
  • Zhu, JiahuaState Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, China (author)
  • State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 210009, ChinaEnergivetenskap (creator_code:org_t)

Related titles

  • In:Industrial & Engineering Chemistry Research: American Chemical Society (ACS)59:52, s. 22541-225480888-58851520-5045

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By the author/editor
Jiang, Guancong
Cai, Liangcheng
Wang, Shibo
Laaksonen, Aatto
Feng, Xin
Mu, Liwen
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Lu, Xiaohua
Zhu, Jiahua
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