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来自子的活性碳:制备,物理化学性质和从水中去除染料

Vanda María Cachola Maldito Lowden¹, María Francisca Alexandre-Franco¹, Juan Manuel Garrido-Zoido¹

¹Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias, Universidad de Extremadura, Avenida de Elvas s/n, 06006 Badajoz, Spain.

Molecules (Basel, Switzerland)

|January 28, 2026

概括

子可以通过物理或化学激活转化为高性能活性炭,用于废水处理. KOH化学激活产生了最好的材料,可以有效地去除有机污染物.

科学领域:

材料科学材料科学材料科学
环境科学环境科学
化学工程是化学工程的重要组成部分.

背景情况:

与子一样,纤维素废物的利用对可持续发展至关重要.
活性炭是废水处理中的有效吸附剂.
定制活性炭的特性是优化污染物去除的关键.

研究的目的:

为了比较从子中生产活性炭的物理和化学激活方法.
研究激活方法对孔隙性和表面化学的影响.
为了评估染料去除所产生的活性炭的吸附性能.

主要方法:

子被物理激活 (空气,CO2,蒸汽) 和化学激活 (H3PO4,ZnCl2,KOH).
分析了多孔性 (BET表面积,微孔和中孔体积) 和表面化学.
吸附实验使用甲基蓝色,甲基色和色G染料进行.

主要成果:

蒸汽激活产生了A-ST (S_BET = 738 m2 g-1,V_mi = 0.38 cm3 g-1,V_me = 0.07 cm3 g-1). 蒸汽激活产生了A-ST (S_BET = 738 m2 g-1,V_mi = 0.38 cm3 g-1,V_me = 0.07 cm3 g-1). 蒸汽激活产生了A-ST (S_BET = 738 m2 g-1,V_mi = 0.38 cm3 g-1,V_me = 0.07 cm3 g-1). 蒸汽激活产生了A-ST (S_BET = 738 m2 g-1,V_mi = 0.38 cm3 g-1,V_me = 0.07 cm3 g-1).
KOH激活产生了A-KOH (S_BET = 1600 m2 g-1,V_mi = 0.74 cm3 g-1,V_me = 0.22 cm3 g-1),这是表现最好的碳.
A-ST和A-KOH显示出高的染料吸附能力,特别是甲蓝,这与它们的多孔性和表面化学有关.

结论:

子的废弃物可以有效地被利用成高性能活性炭.
激活方法显著影响活性炭的特性和吸附效率.
来自子的定制活性炭为废水处理提供了可持续的解决方案.

关键词:

活性炭是一种活性炭.化学激活是一种化学激活.子的废弃物是子的废弃物.染料吸附染料的吸附方式绿色化学是一种绿色化学.物理激活物理激活价值化的价值化

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