生物炭是一类符合绿色发展理念的碳中性材料,丰富的孔结构、芳香化结构与缺陷特性使其在染料吸附方面表现出巨大潜能。活化修饰可有效改善生物炭的孔结构和表面化学特性,是提升染料吸附效能的有效途径。综述了生物质活性炭的制备方法及其吸附处理染料污染物的研究进展,详细论述影响染料吸附过程的因素并结合动力学特性对吸附机制展开分析。最后对生物炭吸附染料面临的挑战和解决方案进行总结和展望,以期推动生物炭在水处理领域的实用化进程。
Biochar,as a carbon-neutral material,is in accordance with the concept of green development,and its characteristics i.e.well-developed pores,aromatization and defects make it have great potential for dye adsorption.Activation modification can effectively adjust porous architecture and surface-dopant,serving as a useful protocol to improve day adsorption efficiency.This review summarized advances on synthetic protocols of activated biochar and corresponding uses for dye adsorption,where factors affecting dye adsorption process and mechanisms based on kinetics were analyzed.At last,the challenges and solutions to the dye adsorption were discussed,offering prospects to promote the practical application of biochar in water treatment.
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基金资助
国家自然科学基金(21506184);湖南省自然科学基金项目(2023JJ30573);煤矿安全高效开采省部共建教育部重点实验室开放基金(JYBSYS2021205)
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