Agro-industrial residue torrefaction to bio-coal: Its physico-chemical characterization and potential applications in energy and environmental protection

IF 9.7 1区环境科学与生态学 Q1 AGRICULTURAL ENGINEERING

Bioresource Technology Pub Date : 2025-02-01 DOI:10.1016/j.biortech.2024.131948

Nidhi Yadav , Gaurav Yadav , Vishnu Bakthavachalam , Lakshmanan Potturaja , Joy K. Roy , Sasikumar Elumalai

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Abstract

Leveraging biofuel derived from biomass stands as a pivotal strategy in reducing CO₂ emissions and mitigating the greenhouse effect. Biomass serves as a clean, renewable energy source, offering inherent benefits. However, despite its advantages, biomass encounters obstacles hindering its widespread industrial applications, including its relatively low calorific value, limited grindability, high water content, and susceptibility to corrosion. The torrefaction process has garnered significant attention as an effective method for enhancing the quality of raw biomass for energy production. In this review, we briefly discussed the mechanism of bio-coal preparation using biomass, physico-chemical characterization of different torrefied feedstocks, and the effect of torrefaction parameters, along with the effect of the different types of reactors on biomass torrefaction. Furthermore, bio-coal’s emission characteristics and fuel quality throughout the thermal treatment have been covered. Thus, bio-coal finds a wide range of applications in sustainable energy generation, environmental remediation, agri-food development, polymer composites, and others.

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农工渣热解制生物煤：理化性质及其在能源和环境保护方面的潜在应用。

利用从生物质中提取的生物燃料是减少二氧化碳排放和缓解温室效应的关键战略。生物质是一种清洁的可再生能源，具有固有的优势。然而，尽管生物质具有优势，但它的热值相对较低、可磨性有限、含水量高、易腐蚀等障碍阻碍了其广泛的工业应用。作为一种提高生物质原料能源质量的有效方法，焙烧过程已经引起了人们的广泛关注。本文综述了生物质制备生物煤的机理、不同焙烧原料的理化性质、焙烧参数的影响以及不同反应器类型对生物质焙烧的影响。此外，还介绍了生物煤在热处理过程中的排放特性和燃料质量。因此，生物煤在可持续能源生产、环境修复、农业食品开发、聚合物复合材料等方面有着广泛的应用。

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来源期刊

Bioresource Technology 工程技术-能源与燃料

CiteScore

20.80

自引率

19.30%

发文量

2013

审稿时长

12 days

期刊介绍： Bioresource Technology publishes original articles, review articles, case studies, and short communications covering the fundamentals, applications, and management of bioresource technology. The journal seeks to advance and disseminate knowledge across various areas related to biomass, biological waste treatment, bioenergy, biotransformations, bioresource systems analysis, and associated conversion or production technologies. Topics include: • Biofuels: liquid and gaseous biofuels production, modeling and economics • Bioprocesses and bioproducts: biocatalysis and fermentations • Biomass and feedstocks utilization: bioconversion of agro-industrial residues • Environmental protection: biological waste treatment • Thermochemical conversion of biomass: combustion, pyrolysis, gasification, catalysis.