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从黑色酒精中提取利格宁和半纤维素的有机酸:结构分析和重金属吸附潜力的比较研究

Patrycja Miros-Kudra¹, Paulina Sobczak-Tyluś^1,2, Agata Jeziorna¹

¹Łukasiewicz-Lodz Institute of Technology, M. Sklodowskiej-Curie 19/27, 90-570 Lodz, Poland.

|January 28, 2026

概括

有机酸,如酸,为从黑色液体中提取红素提供了一个环保的替代方案. 这种方法产生更纯的素,具有增强的金属吸附特性,适合环境修复.

科学领域:

绿色化学绿色化学
生物质的价值化生物质的价值化
材料科学材料科学材料科学

背景情况:

纸业的副产品黑酒含有有价值的红素和半纤维素.
传统的提取方法通常使用硫酸等强化学物质,造成环境问题.
开发可持续的生物质成分提取方法对于循环经济至关重要.

研究的目的:

评估有机酸 (酸,酸,酸) 在从黑色液体中提取红素和半纤维素的有效性.
为了比较使用有机酸提取的素与传统硫酸提取的素的特性.
评估提取的素的潜在应用,特别是环境修复.

主要方法:

使用酸,酸和酸从黑色酒精中提取红素和半纤维素.
使用ATR-FTIR,NMR,TGA,SEM-EDS,元素分析和GPC进行提取的红素的表征.
使用GPC,EDS和ATR-FTIR对半纤维素的分析.
原子吸收光谱 (AAS) 用于确定重金属吸附效率.

主要成果:

有机酸,特别是酸,有效地沉着素,其产量与硫酸 (47-60 g/dm3) 相似.
用酸提取的红素具有较高的纯度 (硫含量较低) 和增加的碳基.
与硫酸沉的红素相比,酸沉的红素显著增强了重金属的吸附 (例如,80%的Cu2+,46%的Cr3+)

结论:

有机酸提供了一种可持续和有效的替代品,用于从黑色液体中提取红素.
由此产生的素具有优越的重金属吸附性能,使其适用于水处理.
这种方法促进了纸业副产品的价值化,与循环经济原则保持一致.

关键词:

吸附吸附是一种吸附.这是一种重金属,重金属.半纤维素的部分红色的线性蛋白质 (lignin) 是一种有机酸有机酸是什么

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