Wu Kangli, Pan Xiaomei, Zhang Jianqiang, Zhang Xiaomeng, Salah Zene Abdramane, Tian Yongqiang
School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
Research Institute, Lanzhou Jiaotong University, Lanzhou 730070, China.
ACS Omega. 2020 Sep 17;5(38):24601-24612. doi: 10.1021/acsomega.0c03114. eCollection 2020 Sep 29.
In the current study, and were co-cultured to obtain self-immobilized mycelial pellets to evaluate the decolorization efficiency of Congo red (CR). The obtained co-culture exhibited the highest decolorization efficiency of 99.22% compared to monoculture of (89.20%) and (55.04%). The morphology and surface properties of the mycelial pellets were characterized by SEM, FTIR, BET, and XPS. The adsorption kinetics and isotherms were well described by pseudo-second-order and Langmuir models. The findings revealed that the removal efficiency of the mycelial pellet for CR was significantly influenced by physicochemical parameters. Thermodynamic result showed that the biosorption process was endothermic. The maximum adsorption capacity can be obtained from the Langmuir model, which is 316.46 mg/g, it suggests that mycelial pellet was an efficient biosorbent to remove CR from aqueous solution. This study indicates that the mycelial pellet can develop a sustainable approach to eliminate CR from the wastewater.
在本研究中，将[两种物质名称未给出]共培养以获得自固定化菌丝球，以评估刚果红（CR）的脱色效率。与[一种物质名称未给出]的单培养（89.20%）和[另一种物质名称未给出]的单培养（55.04%）相比，所获得的共培养物表现出最高的脱色效率，为99.22%。通过扫描电子显微镜（SEM）、傅里叶变换红外光谱（FTIR）、比表面积分析仪（BET）和X射线光电子能谱（XPS）对菌丝球的形态和表面性质进行了表征。吸附动力学和等温线可用准二级模型和朗缪尔模型很好地描述。研究结果表明，菌丝球对CR的去除效率受物理化学参数的显著影响。热力学结果表明，生物吸附过程是吸热的。从朗缪尔模型可得出最大吸附容量为316.46 mg/g，这表明菌丝球是从水溶液中去除CR的高效生物吸附剂。本研究表明，菌丝球可为从废水中去除CR开发一种可持续的方法。
