Physical and Chemical Properties of Philippine Coal Blended with Torrefied Biomass from Rice (<i>Oryza sativa</i>) Straw

Mesa, Rose Ann P. Lomeda-De; Soriano, Allan N.; Marquez, Ariziel Ruth D.; Adornado, Adonis P.

doi:10.1051/e3sconf/201912002003

Cited by 1 publication

(1 citation statement)

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“…As a result, these fuels can easily ignite and subsequently oxidize. High volatile matter also contributes to improved burning during combustion [44].…”

Section: Total Solids Concentrationsmentioning

confidence: 99%

Assessment of Raisins Byproducts for Environmentally Sustainable Use and Value Addition

Okasha,

Hegazy,

Kamel

2023

AgriEngineering

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This study investigated the potential and sustainable use of the biomass derived from various stages of the grape drying process. A total of eleven byproducts, each containing varying organic materials, were produced and subjected to testing. Ultimate analysis, as well as analyses of heating values, chemical composition, lignocellulose composition, total solids concentration and biogas production were performed with the recommended criteria and assessment methods. The results reveal that carbon (C), nitrogen (N), hydrogen (H), and oxygen (O) levels were significantly different among the byproducts. The ash content of byproducts 5–11 ranged from 3.56 to 5.11%, which was lower than the estimated values in the other byproducts. The analysis of higher heating value showed significantly higher calorific values for byproducts 10 and 11 (22.73 ± 0.08 and 22.80 ± 0.07 MJ kg−1, respectively). Byproducts 1–9 had lower sugar content than byproducts 10 and 11 (rejected raisins). Byproducts 5–9 had the lowest lignin content, and there were no significant differences in neutral detergent fiber (NDF) contents between byproducts 1–6. The highest accumulated biogas volume after 40 days was 11.50 NL L−1 of substrate for byproduct group C (byproducts 10 to 11), followed by 11.20 NL L−1 of substrate for byproduct group B (byproducts 5–9) and 9.51 NL L−1 of substrate for byproduct group A (byproducts 1–4). It is concluded that byproducts consisting of biomass derived at different stages of raisin production may be an effective solid fuel and energy source. The amounts of volatile solids in the tested raisin processing byproducts indicated their appropriateness for pyrolysis conversion to a liquid product with high volatile content.

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“…As a result, these fuels can easily ignite and subsequently oxidize. High volatile matter also contributes to improved burning during combustion [44].…”

Section: Total Solids Concentrationsmentioning

confidence: 99%