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Sökning: onr:"swepub:oai:DiVA.org:ltu-86491" > Flammability and me...

Flammability and mechanical properties of biochars made in different pyrolysis reactors

Das, Oisik (författare)
Luleå tekniska universitet,Byggkonstruktion och brand,Luleå Univ Technol, Dept Civil Environm & Nat Resources Engn, Struct & Fire Engn Div, S-97187 Luleå, Sweden.
Mensah, Rhoda Afriyie (författare)
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China,Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China.
George, Gejo (författare)
Research and Post Graduate Department of Chemistry, St. Berchmans College, Changanacherry, Kerala, India,St Berchmans Coll, Res & Post Grad Dept Chem, Changanacheri, Kerala, India.
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Jiang, Lin (författare)
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China,Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China.
Xu, Qiang (författare)
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China,Nanjing Univ Sci & Technol, Sch Mech Engn, Nanjing 210094, Peoples R China.
Neisiany, Rasoul Esmaeely (författare)
Department of Materials and Polymer Engineering, Faculty of Engineering, Hakim Sabzevari University, Sabzevar, 9617976487, Iran,Hakim Sabzevari Univ, Dept Mat & Polymer Engn, Fac Engn, Sabzevar 9617976487, Iran.
Umeki, Kentaro (författare)
Luleå tekniska universitet,Energivetenskap,Luleå Univ Technol, Dept Engn Sci & Math, Div Energy Sci, Energy Engn, SE-97198 Luleå, Sweden.
Jose E, Tomal (författare)
Research and Post Graduate Department of Chemistry, St. Berchmans College, Changanacherry, Kerala, India,St Berchmans Coll, Res & Post Grad Dept Chem, Changanacheri, Kerala, India.
Phounglamcheik, Aekjuthon, PhD student, 1989- (författare)
Luleå tekniska universitet,Energivetenskap,Luleå Univ Technol, Dept Engn Sci & Math, Div Energy Sci, Energy Engn, SE-97198 Luleå, Sweden.
Hedenqvist, Mikael S. (författare)
KTH,Polymera material,Department of Fibre and Polymer Technology, Polymeric Materials Division, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm100 44, Sweden
Restás, Ágoston (författare)
Department of Fire Protection and Rescue Control, National University of Public Service, H-1011 Budapest, Hungary,Natl Univ Publ Serv, Dept Fire Protect & Rescue Control, H-1011 Budapest, Hungary.
Sas, Gabriel (författare)
Luleå tekniska universitet,Byggkonstruktion och brand,Luleå Univ Technol, Dept Civil Environm & Nat Resources Engn, Struct & Fire Engn Div, S-97187 Luleå, Sweden.
Försth, Michael (författare)
Luleå tekniska universitet,Byggkonstruktion och brand,Luleå Univ Technol, Dept Civil Environm & Nat Resources Engn, Struct & Fire Engn Div, S-97187 Luleå, Sweden.
Berto, Filippo (författare)
Department of Mechanical Engineering, Norwegian University of Science and Technology, Trondheim, 7491, Norway,Norwegian Univ Sci & Technol, Dept Mech Engn, N-7491 Trondheim, Norway.
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 (creator_code:org_t)
Elsevier, 2021
2021
Engelska.
Ingår i: Biomass and Bioenergy. - : Elsevier. - 0961-9534 .- 1873-2909. ; 152
Relaterad länk:
https://doi.org/10.1...
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https://doi.org/10.1...
https://urn.kb.se/re...
https://doi.org/10.1...
https://urn.kb.se/re...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • The effect of pyrolysis reactors on the properties of biochars (with a focus on flammability and mechanical characteristics) were investigated by keeping factors such as feedstock, carbonisation temperature, heating rate and residence time constant. The reactors employed were hydrothermal, fixed-bed batch vertical and fixed-bed batch horizontal-tube reactors. The vertical and tube reactors, at the same temperature, produced biochars having comparable elemental carbon content, surface functionalities, thermal degradation pattern and peak heat release rates. The hydrothermal reactor, although, a low-temperature process, produced biochar with high fire resistance because the formed tarry volatiles sealed water inside the pores, which hindered combustion. However, the biochar from hydrothermal reactor had the lowest nanoindentation properties whereas the tube reactor-produced biochar at 300 °C had the highest nanoindentation-hardness (290 Megapascal) and modulus (ca. 4 Gigapascal) amongst the other tested samples. Based on the inherent flammability and mechanical properties of biochars, polymeric composites’ properties can be predicted that can include them as constituents.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Kemiteknik -- Kemiska processer (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Chemical Engineering -- Chemical Process Engineering (hsv//eng)

Nyckelord

Biochar
Carbonisation
Flammability
Nanoindentation
Composites
Byggkonstruktion
Structural Engineering
Energiteknik
Energy Engineering

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