Impact of torrefaction on entrained-flow gasification of pine sawdust: An experimental investigation

Liao, Lei; Zheng, Jun; Yan, Zhiying; Li, Chongcong; Chang-qi, Yuan

doi:10.1016/j.fuel.2020.119919

Cited by 25 publications

(4 citation statements)

References 36 publications

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“…These findings suggested that torrefaction at 280 °C could enhance the CCE and CGE, but excessive torrefaction severity resulted in a decrease in the CCE and CGE. These trends were in agreement with the study reported elsewhere [ 13 ]. On the other hand, the carbonized WS feedstocks (i.e., WS-400 and WS-500) showed the lowest CCE and CGE results among these pretreated WS feedstocks.…”

Section: Resultssupporting

confidence: 94%

“…The CCE and CGE values are also the dominant parameters for assessing the gasification performance of solid fuels [ 13 ]. The CCE and CGE values from steam gasification of raw WS and WS treated at various temperatures are also demonstrated in Table 2 .…”

Section: Resultsmentioning

confidence: 99%

“…The unfavored characteristics of biomass feedstocks, e.g., high oxygen and moisture contents, low energy, and bulk densities, hydrophilic and tenacious fibrous natures, and heterogeneous compositions [ 13 , 14 , 15 , 16 ], result in huge challenges to biomass logistics and downstream thermochemical processes [ 16 , 17 , 18 , 19 ]. What is worse, the rigid fibrous structure can make raw biomass difficult to ground into small particles and ensure a complete gasification performance [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

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Steam Gasification of Torrefied/Carbonized Wheat Straw for H2-Enriched Syngas Production and Tar Reduction

Wang

Kong

Zhang

et al. 2022

IJERPH

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Torrefaction/carbonization integrated with steam gasification of agricultural biomass for gas production and tar reduction was not investigated. The aim of this study was to evaluate the influence of the torrefaction/carbonization severity on H2-enriched syngas production and tar reduction during steam gasification of wheat straw (WS). The torrefaction/carbonization experiments were initially performed at 220–500 °C to examine the effect of pretreated temperature on the fuel properties of torrefied/carbonized WS. Then, the gasification temperature (700–900 °C) was optimized at 900 °C in terms of gas formation behaviors. Afterward, steam gasification of raw and torrefied/carbonized WS feedstocks was conducted. WS carbonized at 500 °C (WS-500) possessed the highest H2 concentration (54.21 vol%) and syngas purity (85.59%), while the maximum H2/CO molar ratio (1.83), high carbon conversion efficiency (90.33 C%) and cold gas efficiency (109.24%) were observed for WS torrefied at 280 °C. Notably, the cumulative gas yield, H2 yield, and syngas yield respectively reached 102.68 mmol/g, 55.66 mmol/g, and 87.89 mmol/g from steam gasification of WS-500. In addition, the carbonized WS feedstocks, especially WS-500, revealed a lower tar content. Simply put, integrating torrefaction/carbonization with steam gasification provided a novel and effective route to manufacture H2-enriched syngas with extremely low tar content from agricultural biomass.

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Section: Resultssupporting

confidence: 94%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Steam Gasification of Torrefied/Carbonized Wheat Straw for H2-Enriched Syngas Production and Tar Reduction

Wang

Kong

Zhang

et al. 2022

IJERPH

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“…A similar study with pine wood shavings showed that pretreatment by torrefaction greatly reduces the amount of volatile matter and the amount of soot, while improving energy density and the grindability of the biomass. Moreover, with torrefaction the authors obtained larger amounts of H 2 and CO 2, approximately 15 mmol/g at 280 • C [117].…”

Section: Generating Biohydrogen From Gasification-torrefactionmentioning

confidence: 96%

Thermochemical Production of Hydrogen from Biomass: Pyrolysis and Gasification

Alvarado-Flores,

Alcaraz-Vera,

Ávalos-Rodríguez

et al. 2024

Energies

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Today, hydrogen is one of the best options for generating electrical energy, for both industrial and residential use. The greatest volume of hydrogen produced today derives from processes that utilize petroleum. Although hydrogen has numerous benefits, continuing to produce it by these means is undesirable. This document presents a review of the literature on biohydrogen production based on an analysis of over 15 types of terrestrial and marine biomasses. The fundamental components of different production systems are described, with a focus on the thermochemical processes of pyrolysis and gasification, which have been identified as two of the most effective, practical ways to produce hydrogen from biomass. It also discusses catalysts, solid residues, and residual water that are used in the thermochemical production of biohydrogen. The article ends with an analysis of hydrogen and its benefits as an energy option with great potential in the short term to participate in the transition from fossil fuels.

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Upgrading of Diammonium Hydrogen Phosphate on Wood and High-Value as an Efficient Derived Carbon

Wang

Pang

et al. 2023

Bioenerg. Res.

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Impact of torrefaction on entrained-flow gasification of pine sawdust: An experimental investigation

Cited by 25 publications

References 36 publications

Steam Gasification of Torrefied/Carbonized Wheat Straw for H2-Enriched Syngas Production and Tar Reduction

Steam Gasification of Torrefied/Carbonized Wheat Straw for H2-Enriched Syngas Production and Tar Reduction

Thermochemical Production of Hydrogen from Biomass: Pyrolysis and Gasification

Upgrading of Diammonium Hydrogen Phosphate on Wood and High-Value as an Efficient Derived Carbon

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