Production of fuel briquettes from olive refuse and paper mill waste

Yaman, Serdar; Şahan, M; Haykırı-Açma, H.; Şeşen, K; Küçükbayrak, Sadriye

doi:10.1016/s0378-3820(00)00111-9

Cited by 109 publications

(65 citation statements)

References 10 publications

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“…Additionally, the compressive strength in cleft of all the briquettes produced from combination of sawdust and maize cob particles were significantly enhance compared to that produced from maize cob particles only. This result is consistent with the research findings by [12][19] [20] which indicated that the durability and mechanical strength of bri-quettes produced from only one type of biomass can be improved by blending that biomass with another biomass material. Additionally, for all the mixing ratios, there was evidence of a strong linear relationship between compacting pressure and compressive strength in cleft of the briquettes produced.…”

Section: Compressive Strength In Cleft (N/mm) Of Briquettes Produced supporting

confidence: 93%

Relationship between Physico-Mechanical Properties, Compacting Pressure and Mixing Proportion of Briquettes Produced from Maize Cobs and Sawdust

Mitchual¹,

Frimpong-Mensah²,

Darkwa³

2014

JSBS

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This study examined the relationship between selected physico-mechanical properties, compacting pressure and mixing proportion of briquettes produced from combination of maize cob particles and sawdust of low, medium and high density timber species. Particle sizes of maize cobs and sawdust used for the study were ≤1 mm. The two materials were combined at mixing percentages of 90:10, 70:30 and 50:50 (Sawdust:maize cobs). Briquettes were produced at room temperature (28˚C) using compacting pressures 20, 30, 40 and 50 MPa. The results suggested that combining maize cob particles with sawdust of low, medium and high density wood species could significantly enhance the relaxed density, compressive strength in cleft and impact resistance index of briquettes produced from agricultural biomass residue like maize cobs. The results further indicated that the physical and mechanical characteristics of briquettes produced from combinations of sawdust of low density species and maize cobs were exceptionally higher than that produced from combinations of maize cob particles, and medium density and high density timber species. The R 2 values for the regression model between the independent variables (mixing percentage and compacting pressure) and relaxed density, compressive strength in cleft and impact resistance index of briquettes produced from combinations of maize cob particles and sawdust of low density species (Ceiba pentandra) were 0.966, 0.932 and 0.710 respectively. This study provides a hope for briquetting maize cobs at room temperature using a low compacting pressure.

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Section: Compressive Strength In Cleft (N/mm) Of Briquettes Produced supporting

confidence: 93%

Relationship between Physico-Mechanical Properties, Compacting Pressure and Mixing Proportion of Briquettes Produced from Maize Cobs and Sawdust

Mitchual¹,

Frimpong-Mensah²,

Darkwa³

2014

JSBS

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“…É relevante salientar que os resíduos celulósicos foram utilizados em sua forma in natura, com elevados teores de umidade (65%). Resultados superiores de resistência à compressão foram encontrados por Yaman et al (2000) ao briquetarem resíduos celulósicos após a secagem (umidade entre 5 e 15%). Estes autores encontraram elevados valores de resistência à compressão que variaram de 7,99 a 12,73 MPa.…”

Section: Resultsunclassified

Produção de briquetes de moinha de carvão vegetal e resíduos lignocelulósicos visando uso bioenergético

Júnior¹,

Andrade²,

Carvalho³

et al. 2016

Sci. For.

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ResumoEste trabalho teve por objetivo analisar a qualidade de briquetes produzidos com misturas de resíduos de bambu, resíduos de pasta celulósica e moinha de carvão vegetal, sob diferentes formulações. Foi determinada a umidade, a densidade aparente, o poder calorífico superior e inferior, a resistência à compressão, a friabilidade e realizada análise imediata dos briquetes. Os resultados foram interpretados por meio de análise uni e multivariada. Observou-se que os briquetes produzidos somente com moinha de carvão vegetal apresentaram valores mais elevados de densidade aparente, resistência à compressão e menor friabilidade. Os briquetes produzidos com resíduos de bambu e moinha de carvão vegetal apresentaram valores mais elevados de umidade, de materiais voláteis e poder calorífico. Briquetes produzidos com resíduos celulósicos apresentaram teores mais elevados de carbono fixo e de teor de cinza. De forma geral, os briquetes produzidos a partir de resíduos lignocelulósicos apresentaram características para utilização bioenergética, porém recomendam-se estudos quali-quantitativos dos gases da combustão quando o intuito for uso para cocção de alimentos.Palavras-chave: energia de biomassa; resíduo de bambu; resíduo celulósico; densificação. AbstractThis research aimed to analyze the quality of briquettes made from mixtures of bamboo waste, cellulosic pulp residues and charcoal fines wastes under different formulations. Determined were: the moisture content, bulk density and the calorific value of briquettes. Briquettes were subjected to compressive strength tests and rotation and chemical analysis. The results were interpreted by univariate and multivariate analysis. Briquettes produced only with charcoal wastes fines showed higher values of bulk density and compressive strength and lower friability. Briquettes produced with bamboo waste and coal chaff showed higher moisture content, volatile materials content and calorific value. Briquettes produced from cellulose residues showed higher levels of fixed carbon and ash content. In general, briquettes produced from lingo-cellulosic waste presented characteristics for bioenergetics use, however qualitative and quantitative studies of combustion gases are recommended, when the objective is use for food cooking.Keywords: biomass energy; bamboo waste; cellulosic residue; densification. INTRODUÇÃOAs dificuldades energéticas apresentadas pelo país impõem a necessidade da ampliação de estudos de fontes renováveis de energia, a ser utilizada em diversos segmentos industriais.Segundo Paula et al. (2011), a geração de resíduos provenientes da biomassa agroflorestal no Brasil é muito elevada e, muitas vezes, condicionadas de forma inadequada ao ambiente. Contudo, há referências indicando que tais resíduos podem ser submetidos ao processo de briquetagem, proporcionando padronização em relação à densidade, teor de umidade, dimensão, forma e poder calorífico, convertendo-os em combustíveis mais limpos e eficientes energeticamente (CHIN; SIDDIQUI, 2000;DIAS JÚNIOR et al., 2014).

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“…Considerable amount of research on briquetting technology has been conducted. Examples of biomass studied are wheat straw [1,2] , hazelnut shell [3] , woods [4,5] , grass [6,7] , cotton [8,9] , olive refuse [10] , rice straw and husk [11] as well as maize cob [12] . Generally, it is agreed that conventional process for biomass briquetting may be divided into three main categories viz.…”

Section: Introductionmentioning

confidence: 99%

The Effects of Briquetting Pressure on Banana-Peel Briquette and the Banana Waste in Northern Thailand

Wilaipon¹

2009

American Journal of Applied Sciences

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Banana is considered as one of the most important agricultural products of Northern Thailand. A large amount of banana peel has been left as garbage after industrial processes. The raw material is plentiful and has low economic value. Therefore, the characteristics of banana-peel briquettes including banana peel properties were investigated. The briquettes were produced with pressures ranging from 3 to 11 MPa. Molasses was used as the binder. According to some standard tests, it was found that briquettes produced with compaction pressure over 7 MPa passed both impact resistance and compressive strength tests. The density-pressure relationship and strength-pressure relationship over studied range were also developed and validated.

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Production of fuel briquettes from olive refuse and paper mill waste

Cited by 109 publications

References 10 publications

Relationship between Physico-Mechanical Properties, Compacting Pressure and Mixing Proportion of Briquettes Produced from Maize Cobs and Sawdust

Relationship between Physico-Mechanical Properties, Compacting Pressure and Mixing Proportion of Briquettes Produced from Maize Cobs and Sawdust

Produção de briquetes de moinha de carvão vegetal e resíduos lignocelulósicos visando uso bioenergético

The Effects of Briquetting Pressure on Banana-Peel Briquette and the Banana Waste in Northern Thailand

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