Torrefaction of biomass: A review of production methods for biocoal from cultured and waste lignocellulosic feedstocks

S Barskov, M Zappi, P Buchireddy, S Dufreche… - Renewable Energy, 2019 - Elsevier
Torrefaction is a developing thermal process that has mainly been used to convert
lignocellulosic feedstocks, both cultured and wasted, into a “charred” product that can be …

Parametric influence of process conditions on thermochemical techniques for biochar production: A state-of-the-art review

T Sharma, IG Hakeem, AB Gupta, J Joshi… - Journal of the Energy …, 2024 - Elsevier
Biochar refers to the carbonaceous black solid residue product obtained from the
thermochemical decomposition of waste biomass typically under oxygen-limited …

Torrefaction: a sustainable method for transforming of agri-wastes to high energy density solids (biocoal)

S Negi, G Jaswal, K Dass, K Mazumder… - … Science and Bio …, 2020 - Springer
The depletion of fossil fuel reserves and greenhouse gas emissions led to limit the use of
fossil fuels, including natural gas, coal, or petroleum, and demand a clean and sustainable …

Poplar wood torrefaction: Kinetics, thermochemistry and implications

M Chai, L Xie, X Yu, X Zhang, Y Yang… - … and sustainable energy …, 2021 - Elsevier
The kinetic and thermochemical models for poplar wood torrefaction were developed in the
present work. The torrefaction kinetic model satisfactorily fitted the experimental …

Optimization of torrefaction conditions of coffee industry residues using desirability function approach

C Buratti, M Barbanera, E Lascaro, F Cotana - Waste management, 2018 - Elsevier
The aim of the present study is to analyze the influence of independent process variables
such as temperature, residence time, and heating rate on the torrefaction process of coffee …

Energy densification of sugarcane bagasse through torrefaction under minimized oxidative atmosphere

AT Conag, JER Villahermosa, LK Cabatingan… - Journal of Environmental …, 2017 - Elsevier
Sugarcane is the top produced crop in the Philippines (∼ 32.4 MT/yr), generating∼ 5.1
MT/yr of dry sugarcane bagasse (SCB) each year. However, fuel characteristics of SCB are …

Energy densification of sugarcane leaves through torrefaction under minimized oxidative atmosphere

AT Conag, JER Villahermosa, LK Cabatingan… - Energy for Sustainable …, 2018 - Elsevier
Worldwide, the annual energy content of sugarcane leaves (SCL) amounts to 4.21 EJ.
However, its direct use as a solid fuel is hindered by its inherent characteristics, such as its …

Effects of torrefaction temperature and acid pretreatment on the yield and quality of fast pyrolysis bio-oil from rice straw

S Ukaew, J Schoenborn, B Klemetsrud… - Journal of Analytical and …, 2018 - Elsevier
This study investigated the effects of torrefaction temperatures and dilute acid pretreatment
on the quality of pyrolysis bio-oil and the distribution toward gaseous, liquid bio-oil, and char …

Effect of temperature oscillation on torrefaction and pyrolysis of elm branches

Y Mei, Y Chen, S Zhang, Y Zheng, W Li, H Chai, K Liu - Energy, 2023 - Elsevier
The temperature would oscillate when the industrial flue gas was used as the heat source
for biomass torrefaction. In order to explore the influence of temperature oscillation on …

Comparative study of solid biofuels derived from sugarcane leaves with two different thermochemical conversion methods: wet and dry torrefaction

J Khempila, P Kongto, P Meena - BioEnergy Research, 2022 - Springer
This work describes the conversion of sugarcane leaves into biocoal with two thermal
processes: wet torrefaction (subcritical water, 175–250° C) and dry torrefaction (nitrogen …