铀矿冶2026，Vol.45Issue(1)：123-131,9.DOI:10.13426/j.cnki.yky.2025.05.08
2种食用菌加工废弃物对水中铀的去除性能研究
Study on the Removal Performance of Uranium from Water by Two Types of Edible Mushroom Processing Waste
摘要
Abstract
In response to the large amount of uranium containing wastewater generated during the min-ing and processing of uranium resources,two types of edible mushroom processing waste,Velvet Antler Mushroom Feet(VAMS)and Red Bamboo Fungus Cap(BFP),were used as biological adsor-bents to investigate their removal performance of U(Ⅵ)in aqueous solutions.The effects of acidity,adsorption time,initial uranium concentration,solid-liquid mass-volume ratio,coexisting ions and temperature on the U(Ⅵ)adsorption performance of edible fungus processing waste were systemati-cally investigated by the static batch method.The results show that under the conditions of pH=5.0 and temperature of 25 ℃,the maximum adsorption capacities of VAMS and BFP for U(Ⅵ)are 24.34 mg/g and 23.88 mg/g,respectively,with removal rates reaching 97.7％and 91.8％according-ly.Moreover,Ca2+has the strongest interference effect on the adsorption of U(Ⅵ).VAMS and BFP reach equilibrium at 2 hours and 4 hours,respectively,and conform to the pseudo-second-order kinetic model and Freundlich isotherm model.This indicates that the adsorption process is mainly dominated by multi-molecular layer chemical adsorption.The thermodynamic parameters(△G＜0,△H＞0)con-firm that the adsorption is a spontaneous endothermic reaction.Combined with the characterizations of SEM-EDS,FT-IR and XPS,the adsorption of U(Ⅵ)by VAMS mainly relies on the coordination of hydroxyl groups on the material surface,while the adsorption of U(Ⅵ)by BFP mainly depends on the coordination of nitrogen-containing functional groups on the material surface.The research results not only indicate that edible mushroom processing waste has good adsorption performance for uranyl i-ons,but also realize the resource utilization of agricultural waste,providing a low-cost and environ-mentally friendly adsorption material for the treatment of uranium containing wastewater,which has important application value.关键词
含铀废水/食用菌加工废弃物/生物吸附剂/Freundlich模型/U(Ⅵ)去除/铀吸附Key words
uranium containing wastewater/edible mushroom processing waste/biological adsor-bents/Freundlich model/U(Ⅵ)removal/uranium adsorption分类
化学化工引用本文复制引用
张文武,徐钰楠,杜依洋,王晨昱,王芝芬..2种食用菌加工废弃物对水中铀的去除性能研究[J].铀矿冶,2026,45(1):123-131,9.基金项目
江西省自然科学基金(20242BAB20154,新型板层结构镍铝铁类水滑石/沉淀/膨润土对99Tc(Ⅶ)的吸附性能和阻滞性能研究) （20242BAB20154,新型板层结构镍铝铁类水滑石/沉淀/膨润土对99Tc(Ⅶ）
