Influence of moisture content, particle size and forming temperature on productivity and quality of rice straw pellets

Ishii, Kazuei; Furuichi, Tohru

doi:10.1016/j.wasman.2014.08.008

Cited by 88 publications

(57 citation statements)

References 18 publications

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“…e natural air-dried straw is stored in the drying facility and treated on-site by using a forklift truck. e collected crop straws are cut into grass sections having a length of 20-40 mm, and the moisture content of the straw is 12-20% [41]. Stone and gravel are removed by air separation and then the moisture content of the raw materials is controlled after 12-8% drying by using a pipeline air-dryer.…”

Section: Statement Of Scenariomentioning

confidence: 99%

Comparative Environmental Evaluation of Straw Resources by LCA in China

Shang

Song

Yang

2020

Advances in Materials Science and Engineering

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Crop straw, as a widely used biomass resource, can be processed to produce renewable energy and green products. However, about 70% of straw were burned in the open air, causing serious environmental pollution and air pollution. In order to reduce the burden on the environment, the different straw management strategies are comparatively studied and evaluated by applying the life-cycle assessment (LCA) method. Within the system boundary from cradle to grave, three alternative scenarios, including straw particleboard, straw cement-bonded particleboard, and straw direct combustion power generation, are compared with the current common treatment (straw open burning). e comprehensive inventory analysis on each treatment scenario is carried out indepth, and the corresponding resource consumption and environmental impact of each treatment scenario are calculated, respectively. e LCA results showed that the environmental impacts of reusing crop straw to produce straw particleboard and cement-bonded particleboard (Scenario 1 and Scenario 2) is significantly reduced by 6% and 10%, by comparison with the use of wood resource. Greenhouse gas emissions from straw direct combustion power generation (Scenario 3) processes are reduced by 30% compared with coal power generation. From the environmental point of view, the scenario of straw particleboard product has the smallest impact on the environment, while straw open burning is not an advisable way due to the highest environmental impact from the highest greenhouse gas emissions and acidification effects. From the perspective of energy consumption, the energy consumption for the combustion power generation is the smallest in all scenarios. It is suggested that governments are supposed to construct reasonable scenarios for the straw disposition based on the local development status and condition. e research results can provide scientific guidance for the management strategy of the comprehensive utilization of straw resources.

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Section: Statement Of Scenariomentioning

confidence: 99%

Comparative Environmental Evaluation of Straw Resources by LCA in China

Shang

Song

Yang

2020

Advances in Materials Science and Engineering

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“…Fibra de coco 40-70 Cascarilla de arroz 0-20 Carbón mineral 0-25 Aglomerante a base de yuca [5][6][7][8][9][10][11][12][13][14][15] Fuente: Autores (2016).…”

Section: Rango De Trabajo (%)unclassified

“…Pudieron confirmar que el alto contenido de tusa de maíz y las altas presiones de compactación, inciden de manera positiva en la resistencia a la compresión y la durabilidad de las briquetas elaboradas bajo estos parámetros. [8] K. Ishii y otros determinaron la influenciadel contenido de humedad, tamaño de partícula y temperatura para la producción de pellets realizando experimentos con paja de arroz. Concluyendo que las condiciones óptimas fueron humedad de 13%-15%, una temperatura de 60-80 ºC y un tamaño de partícula que va entre 10 y 20 mm.…”

Section: Introductionunclassified

“…Concluyendo que las condiciones óptimas fueron humedad de 13%-15%, una temperatura de 60-80 ºC y un tamaño de partícula que va entre 10 y 20 mm. [8]. Otras investigaciones20 mm.…”

Section: Introductionunclassified

“…Otras investigaciones20 mm. [8]. Otras investigaciones han determinado que algunos de los factores que pueden influenciar en la calidad de la densificación de pellets y briquetas son la presión de compactación, el contenido de humedad y el tamaño de partícula.…”

Section: Introductionunclassified

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Elaboración de biocombustibles sólidos densificados a partir de la mezcla de dos biomasas residuales, un aglomerante a base de yuca y carbón mineral, propios del departamento de Córdoba

Alvarez

Doria

Fandiño

2019

Ingeniare. Rev. chil. ing.

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RESUMENEn este trabajo se elaboraron biocombustibles sólidos densificados a partir de la mezcla de cascarilla de arroz, fibra de coco, carbón mineral y un aglomerante a base de yuca, propios del departamento de Córdoba. Inicialmente, se elaboró un diseño experimental simplex reticular ampliado, para determinar el número de corridas. Luego, se realizó el proceso de densificación manual, las mezclas fueron compactadas con una presión de 6000 Psi (41,36 MPa) durante un tiempo de sostenimiento de la carga de 15 minutos. Posteriormente se realizaron pruebas de durabilidad mecánica y resistencia a la compresión a las briquetas fabricadas, y se calculó analíticamente el poder calorífico y las emisiones de azufre de cada corrida. Se encontró que el carbón es el componente que más afecta negativamente la durabilidad de las briquetas, contrario a la fibra de coco, la cual contribuye a mejorar dicha propiedad. Todas las briquetas presentaron excelente resistencia a la compresión, además ninguna superó en 1% las emisiones de azufre.Palabras clave: Biocombustibles, aglomerante, durabilidad, poder calorífico, briquetas. ABSTRACTIn this paper densified solid biofuels were produced from the mixture of rice husk, coir, coal and a cassava binder, own department of Cordoba. Initially, it was developed an expanded lattice simplex experimental design to determine the number of runs. Manual densification process was performed; the mixtures were compacted with a pressure of 6000 psi (41,36 MPa) for a hold time of 15 min load. Later tests of mechanical and compressive strength to the briquettes manufactured durability were performed, and analytically calculated the heating value and sulfur emissions each run. It was found that coal is the component that most adversely affects the durability of briquettes, contrary to coconut fiber, which helps to improve the property. All briquettes showed excellent compressive strength, besides no sulfur emissions exceeded 1%.

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Multi‐Pathways for Sustainable Fuel Production from Biomass Using Zirconium‐Based Catalysts: A Comprehensive Review

Purnama,

Trisunaryanti,

Wijaya

et al. 2023

Energy Tech

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Numerous concerns, including environmental impact and public health issues, drive the urgent need to replace nonrenewable fossil fuels with renewable energy sources, with biomass emerging as a viable alternative globally. In this comprehensive review, the urgent need to transition from nonrenewable fossil fuels to renewable energy sources is addressed, focusing on biomass as a global alternative. It examines the role of zirconium‐based catalysts in converting biomass into biofuels and hydrogen. Various biomass extraction methods based on the thermochemical processes (pyrolysis, gasification, hydrothermal liquefaction, hydrocracking, and steam reforming) are explored, including their merits and limitations. Additionally, the properties of zirconium‐based catalysts and their catalytic efficiency in biomass conversion are assessed, highlighting the factors influencing their performance. In this literature review, the promising potential of zirconium‐based catalysts in enhancing the sustainability and efficiency of global biofuel production from biomass is revealed. It underscores the critical role of biomass as a renewable energy source and highlights the significance of zirconium‐based catalysts in advancing sustainable biofuel production. It offers insights into addressing environmental concerns, promoting public health, and supporting the global transition toward renewable energy solutions.

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Influence of moisture content, particle size and forming temperature on productivity and quality of rice straw pellets

Cited by 88 publications

References 18 publications

Comparative Environmental Evaluation of Straw Resources by LCA in China

Comparative Environmental Evaluation of Straw Resources by LCA in China

Elaboración de biocombustibles sólidos densificados a partir de la mezcla de dos biomasas residuales, un aglomerante a base de yuca y carbón mineral, propios del departamento de Córdoba

Multi‐Pathways for Sustainable Fuel Production from Biomass Using Zirconium‐Based Catalysts: A Comprehensive Review

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