生生物质和焙烧生物质的致密化：综述

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING Biomass & Bioenergy Pub Date : 2024-04-13 DOI:10.1016/j.biombioe.2024.107210

Jimmy Eling , David K. Okot , Emmanuel Menya , Michael R. Atim

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引用次数: 0

摘要

将木质纤维素残留物转化为更清洁、更可持续的替代能源载体，用于家庭、机构、商业和工业热能应用，是一种具有潜力的技术。因此，本综述文件重点关注用于能源生产的木质纤维素生物质来源。此外，还讨论了生产未加工和经过焙烧的煤球/颗粒所涉及的工艺。此外，还介绍了利用木质纤维素残留物生产的生料压块和焙烧压块的物理机械、排放和燃烧特性。此外，还审查了木质纤维素生物质材料压块的经济性。研究发现，木质纤维素残留物制成的致密固体生物质燃料的质量取决于原料和预处理条件。此外，有报告称，烘干和致密化可以提高松散生物质材料的能量特性，成为木柴和木炭的潜在替代燃料。最后，研究发现，致密化项目的经济盈利能力取决于原料的可获得性、所使用的技术和产品的市场潜力。

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Densification of raw and torrefied biomass: A review

Densification and torrefaction are potential technologies to valorize lignocellulosic residues into cleaner and sustainable alternative energy carriers for domestic, institutional, commercial and industrial thermal energy applications. Therefore, this review paper has focused on sources of lignocellulosic biomass for energy production. Furthermore, the processes involved in production of raw and torrefied briquettes/pellets have been discussed. Additionally, the physicomechanical, emissions and combustion properties of raw and torrefied briquettes produced from lignocellulosic residues have been presented. Also, the economics of briquetting lignocellulosic biomass materials have also been reviewed. The quality of densified solid biomass fuels from lignocellulosic residues was found to dependent on the feedstock and pretreatment conditions. Additionally, torrefaction and densification have been reported to upgrade the energy properties of loose biomass materials, as potential alternative fuel to firewood and charcoal. Finally, the economic profitability of densification projects has been found to be dependent on the availability of feedstocks, technology used and market potential of the product.

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.