高效的马拉绿色被细菌纤维素和细菌纤维素/虫豆复合物吸附
Zhuo-Wei Liu1, Xiao-Lin Wang1, Hui-Jun Xian1
1School of Food Science, Guangdong Pharmaceutical University, Zhongshan 528458, People's Republic of China.
International journal of biological macromolecules
|August 28, 2024
概括
细菌纤维素/虫豆复合材料有效吸附马拉绿色染料,显示出高容量和选择性. 这种可持续的吸附剂在废水处理中具有出色的可重复使用性.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 生物技术是生物技术.
背景情况:
- 有机染料在工业废水中带来了环境挑战.
- 开发高效和可持续的吸附剂对于去除染料至关重要.
- 细菌纤维素 (BC) 是一种对吸附应用有前途的生物材料.
研究的目的:
- 研究使用细菌纤维素 (BC) 和BC/豆 (LBG) 复合物作为有机染料的吸附剂.
- 为了评估BC/LBG复合材料的吸附性能,选择性和可重复使用性,用于马拉绿 (MG).
- 探索MG在BC/LBG复合物上的吸附机制.
主要方法:
- 通过现场发酵从香水解盐中生产BC和BC/LBG (2%) 复合物.
- 使用XRD,FT-IR和NMR进行复合材料的表征.
- 吸附实验以确定MG和其他染料 (CV,RB,MO) 的吸附率,容量,选择性和可重复使用性.
- 使用兰迈尔和伪第一阶模型分析吸附动力学和异热量.
主要成果:
- 该BC/LBG (2%) 复合物表现出增强的胀和纹理特性,同时保留了BC的结构.
- 获得高MG吸附率 (>95%) 和容量 (>2000 mg/g).
- 对MG比CV,RB和MO表现出良好的选择性.
- 吸附遵循兰格穆尔和伪第一阶模型,表明化学吸附和物理吸附机制.
- 在5个再生周期后,吸附剂保持了高吸附效率 (>88%).
结论:
- BC/LBG (2%) 复合物是一种高效和选择性吸附剂,用于马六合绿.
- 复合材料显示出出色的可重复使用性,使其适用于工业废水处理.
- 这项研究强调了生物复合材料在有效去除染料方面的潜力.
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