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Qualidade de black pellets de finos de carvão vegetal produzidos com diferentes...

Carvalho, Felipe Barbosa; Martins, Caio Cesar Nemer; Peres, Letícia Costa; Surdi, Paula Gabriella; Lima, Laura Vitória Lopes

Charcoal fines are co-products of the wood carbonization process, unwanted because they reduce the gravimetric yield of the main product, charcoal. It can be produced due to the carbonization process, during the storage and transport of charcoal. Pelletizing charcoal fines increases the energy density of this material, producing a homogeneous fuel with lower moisture content, enabling burning in equipment with ...


Solid Biofuel from the Amazon: A Circular Economy Approach to Briquette Product...

Vilas Boas, Mariana; Zanuncio, Antonio Jose Vinha; Neiva, Duarte M.; Carneiro, Angélica de Cássia Oliveira; Castro, Vinicius Resende de

The Amazon region contains numerous areas dedicated to sustainable timber extraction. This operation has low yields and generates a large amount of waste. However, this waste can be repurposed for energy generation, providing income for locals and reducing reliance on non- renewable energy sources prevalent in the region. This study aimed to assess the impact of torrefaction on various wood residues for briquet...


Chemical composition of heartwood and sapwood of Tectona grandis characterized ...

Castro, Vinicius Resende; Surdi, Paula Gabriella; Fernandes, Sérgio António; Berger, Matheus da Silva; Zanuncio, António José Vinha; Zanuncio, José Cola

Teak wood has chemical compounds that can be used for pharmaceutical and textile industries, in addition, this compounds are related to resistance to biodeterioration, color and modification processes. Heartwood and sapwood of T. grandis (teak), 15 years-old, were characterized by Py-CG/MS analysis and syringyl (S)/guaiacyl (G) ratio was evaluated. Heartwood and sapwood were pyrolyzed at 550 °C and 62 and 51 co...



Potential of briquette produced with torrefied agroforestry biomass to generate...

Portilho, Gabriel Reis; Castro, Vinicius Resende; Carneiro, Angélica de Cássia Oliveira; Zanuncio, José Cola; Zanuncio, António José Vinha

Agroforestry industries, such as sugar-alcohol, food, and logging, produce large quantities of waste, used to generate energy from direct burning. The application of other processes, such as torrefaction and briquetting, can increase the profits from the use of agro-industrial waste for energy generation. Briquetting is an alternative for using these wastes, allowing the compaction of the biomass, generating a ...


Evaluating the effects of removing fines from particleboards manufactured from ...

Surdi, Paula Gabriella; Bortoletto Junior, Geraldo; Castro, Vinicius Resende de

The aim of this research was to evaluate the effects of removing fines on the physical and mechanical properties of high-density particleboard produced by mechanical processing of Caryocar villosum (pequiá), Tachigali myrmecophyla (tachi-preto) and Hymenolobium excelsum (angelim-da-mata) Amazonian woods. The panels were produced with nominal density of 850 kg.m-3, thickness of 15.7 mm and phenol formaldehyde ad...

Date: 2019   |   Origin: Oasisbr




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