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  • Open Access


    Biofuel Recovery from Plantain and Banana Plant Wastes: Integration of Biochemical and Thermochemical Approach

    Abdulmoseen Segun Giwa1,*, Mingqiang Sheng2, Ndungutse Jean Maurice3, Xinxin Liu1, Zelong Wang1, Fengmin Chang4, Bo Huang4, Kaijun Wang4

    Journal of Renewable Materials, Vol.11, No.6, pp. 2593-2629, 2023, DOI:10.32604/jrm.2023.026314

    Abstract Globally, fossil fuel dependence has created several environmental challenges and climate change. Hence, creating other alternative renewable and ecologically friendly bio-energy sources is necessary. Lignocellulosic biomass has gained significant attention recently as a renewable material for biofuel production. The large amounts of plantain and banana plant parts wasted after harvesting, as well as the peels generated daily by the fruit market and industries, demonstrate the potential of bioenergy resources. This review briefly assesses plantain and banana plant biomass (PBB) generated in the developing, developed, and underdeveloped countries, the consumable parts, and feasible products yield. It emphasized the advantages and disadvantages… More > Graphic Abstract

    Biofuel Recovery from Plantain and Banana Plant Wastes: Integration of Biochemical and Thermochemical Approach

  • Open Access


    Effects of Porous Graphene on LiOH Based Composite Materials for Low Temperature Thermochemical Heat Storage

    Lisheng Deng1,2, Hongyu Huang2,*, Zhaohong He2, Shijie Li2, Zhen Huang2, Mitsuhiro Kubota3, You Zhou4,*, Dezhen Chen1

    Journal of Renewable Materials, Vol.10, No.11, pp. 2895-2906, 2022, DOI:10.32604/jrm.2022.019071

    Abstract Thermochemical heat storage material inorganic hydrate LiOH is selected as a promising candidate material for storing low-temperature heat energy because of its high energy density (1440 kJ/kg) and mild reaction process. However, the low hydration rate of LiOH limits the performance of low temperature thermochemical heat storage system as well as the thermal conductivity. In this study, porous-graphene/LiOH composite thermochemical heat storage materials with strong water sorption property and higher thermal conductivity were synthesized by hydrothermal process. The experimental results show that the hydration rate of the composites was greatly improved. The heat storage density of the composite materials was… More >

  • Open Access


    A Scaling Approach for CFD-DEM Modelling of Thermochemical Behaviours in Moving Bed Reactors and Its Application

    Qinfu Hou1,*, Dianyu E.1,2, Shibo Kuang1, Aibing Yu1,3

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.22, No.1, pp. 96-97, 2019, DOI:10.32604/icces.2019.05438

    Abstract Intensive heat and mass transfer between continuum fluids and discrete particulate materials plays a critical role in many chemical reactors [1]. For example, the shaft furnace and the blast furnace in ironmaking are operated with continuous charge and discharge of solid materials, and it takes hours for the solid materials moving from the furnace top to the bottom. To understand and improve the operation of these reactors, discrete particle models are very helpful when combined with flow, heat and mass transfer, and chemical reaction models [2-6]. However, due to the high computational cost with such discrete particle models, it is… More >

  • Open Access


    Liquefaction of Kraft Lignin at Atmospheric Pressure

    Silvia Helena Fuentes da Silva1, Patricia Soares Bilhalva dos Santos2, Darci Alberto Gatto3, Maria Angeles Andres1, Itziar Egüés1,*

    Journal of Renewable Materials, Vol.7, No.6, pp. 527-534, 2019, DOI:10.32604/jrm.2019.04291

    Abstract Kraft lignin was liquefied using polyethylene glycol #400 (PEG) and glycerol (G) in a weight ratio of 80/20 (w/w) and sulphuric acid (SA) as catalyst under atmospheric pressure at 160ºC. The three independent variables: reaction time (60, 80 and 100 min), percentage of lignin (15, 20 and 25%, w/w), and catalyst concentration (0, 3 and 6%, w/w), were varied resulting in 27 experimental runs. The effect of these reaction conditions on the properties of the polyols was evaluated. The statistical analysis showed that only “the percentage of lignin” did not influence the properties of the liquefied products, however, reaction time… More >

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