Research progress of biochar modification technology and its application in environmental remediation

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING

Biomass & Bioenergy Pub Date : 2024-04-03 DOI:10.1016/j.biombioe.2024.107178

Weijuan Lan , Xinxin Zhao , Yingxian Wang , Xin Jin , Jiangtao Ji , Zhanjun Cheng , Gaixiu Yang , Hui Li , Guanyi Chen

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Abstract

Biochar can be prepared from biomass through pyrolysis in a low-oxygen or anaerobic environment. The characteristics of biochar are influenced by raw materials and the specific preparation process employed. To enhance the efficacy of biochar, various modification methods can be applied. These primarily include chemical modification, physical modification, and biological modification. This paper conducts a literature review covering the period from 2018 to 2023, focusing on biochar preparation, modification methods, and environmental applications. It is a comprehensive overview of the processes involved in preparing biochar, analyzes its characteristics, and explores various modification techniques. Additionally, the paper discusses the diverse and highly efficient application of biochar in environmental remediation, with a particular emphasis on its use in soil, water, and the atmosphere. While biochar holds significant potential for environmental remediation, a thorough understanding of its mechanism in environmental applications is still lacking. Further in-depth studies are required to elucidate the complex roles biochar plays in various environmental contexts.

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生物炭改性技术的研究进展及其在环境修复中的应用

生物炭可在低氧或厌氧环境中通过热解从生物质中制备出来。生物炭的特性受原材料和特定制备工艺的影响。为提高生物炭的功效，可采用各种改性方法。这些方法主要包括化学改性、物理改性和生物改性。本文对 2018 年至 2023 年期间的文献进行了综述，重点关注生物炭的制备、改性方法和环境应用。它全面概述了生物炭的制备过程，分析了生物炭的特性，并探讨了各种改性技术。此外，该报告还讨论了生物炭在环境修复中的多种高效应用，特别强调了生物炭在土壤、水和大气中的应用。虽然生物炭在环境修复方面具有巨大潜力，但人们对其在环境应用中的机理仍缺乏透彻的了解。需要进一步深入研究，以阐明生物炭在各种环境中发挥的复杂作用。

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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.

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