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Characterisation of Bambara groundnut (Vigna subterranea (L.) Verdc.) shell waste as a potential biomass for different bio-based products.
Ncube, Lindani Koketso; Ude, Albert Uchenna; Ogunmuyiwa, Enoch Nifise; Beas, Isaac Nongwe.
Afiliación
  • Ncube LK; Department of Mechanical, Energy and Industrial Engineering, Faculty of Engineering and Technology (FET), Botswana International University of Science and Technology (BIUST), Private Mail Bag 16, Palapye, Botswana.
  • Ude AU; Faculty of Engineering and Built Environment, University of Johannesburg, P.O Box 17011, Doornforntein, 2088, South Africa.
  • Ogunmuyiwa EN; Department of Mechanical, Energy and Industrial Engineering, Faculty of Engineering and Technology (FET), Botswana International University of Science and Technology (BIUST), Private Mail Bag 16, Palapye, Botswana. udea@biust.ac.bw.
  • Beas IN; Faculty of Engineering and Built Environment, University of Johannesburg, P.O Box 17011, Doornforntein, 2088, South Africa. udea@biust.ac.bw.
Environ Monit Assess ; 196(9): 777, 2024 Aug 03.
Article en En | MEDLINE | ID: mdl-39095686
ABSTRACT
Efforts are ongoing to utilise agricultural waste to achieve a full resource use approach. Bambara groundnut is an important crop widely grown in the sub-Saharan Africa with potential future importance because of its resilience to thrive under heightened weather uncertainty and widespread droughts that have challenged food security. After harvesting, the edible nuts are separated from the shells which are discarded as waste. Therefore, this research is aimed at characterising the chemical composition and the structural properties of Bambara groundnut shells (BGS) in view of their potential application as a biomass for different bio-products. The chemical composition of BGS was found to be 42.4% cellulose, 27.8% hemicellulose, 13% lignin and 16.8% extractives. Proximate analysis showed a high amount of volatile matter (69.1%) and low moisture (4.4%). XRD analysis confirmed crystallinity of cellulose I polymer and FTIR analysis observed functional groups of lignocellulosic compounds. Thermal stability, maximum degradation temperature and activation energy were found to be 178.5 °C, 305.7 °C and 49.4 kJ/mol, respectively. Compared to other nutshells, BGS were found to have a relatively high amount of cellulose and crystallinity that may result in biocomposites with improved mechanical properties.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Biomasa / Vigna Idioma: En Revista: Environ Monit Assess Asunto de la revista: SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article País de afiliación: Botswana Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Biomasa / Vigna Idioma: En Revista: Environ Monit Assess Asunto de la revista: SAUDE AMBIENTAL Año: 2024 Tipo del documento: Article País de afiliación: Botswana Pais de publicación: Países Bajos