羽毛角蛋白气凝胶的制备及染料吸附性能研究  

Preparation of Feather Keratin Aerogel and Dye Adsorption Performance

作　　者：张源林 吴勇丽 沈景行 宋佳薇 李威 米翔 ZHANG Yuanlin;WU Yongli;SHEN Jinghang;SONG Jiawei;LI Wei;MI Xiang(Clothing and Design Faculty,Minjiang University,Fuzhou,Fujian 350108,China;Fujian Key Laboratory of Novel Functional Textile Fibers and Materials,Fuzhou,Fujian350108,China)

机构地区：[1]闽江学院服装与艺术工程学院,福建福州350108 [2]福建省新型功能性纺织纤维及材料重点实验室,福建福州350108

出　　处：《闽江学院学报》2024年第2期110-118,共9页Journal of Minjiang University

基　　金：福建省自然科学基金项目(2021J05207);福建省中青年教师教育科研项目(JAT200420);闽江学院引进人才科研启动项目(MJY20030);闽江学院校长基金项目(103952021074)。

摘　　要：以还原法提取羽毛角蛋白的残渣为原料,以壳聚糖和纳米纤维素为增强改性材料,通过冷冻干燥法制备出可重复使用、吸附效率高、绿色环保的羽毛角蛋白气凝胶。采用扫描电子显微镜、热重分析仪和紫外分光度计对羽毛角蛋白气凝胶的形貌结构、热稳定性、吸附性能进行研究。研究结果表明,羽毛角蛋白气凝胶具有多孔的网状结构、良好的热稳定性和优异的染料吸附性能。在30 mL初始浓度400 mg·L^(-1)的酸性橙7染液中加入0.1 g羽毛角蛋白气凝胶,30℃条件下静置吸附24 h,酸性橙7染料的去除率达到99%。经过3次吸附-解吸附实验后,角蛋白气凝胶的吸附性能没有显著变化。In order to prepare a feather keratin aerogel with reusability,high adsorption efficiency and environmental protection,this paper used the residue of feather keratin as raw materials with reduction method,and used chitosan and nanocellulose as reinforcing materials with freeze-drying method.Benchtop electron microscope,thermogravimetric analyzer and ultraviolet spectrophotometer were used to study the morphological structure,thermal stability and adsorption performance of feather keratin aerogel.The results show that feathered keratin aerogels have a porous network structure,good thermal stability and excellent adsorption performance.When 0.1g feather keratin aerogel was added into 30mL of acid orange 7 dye with an initial concentration of 400 mg·L^(-1),the removal rate of acid orange 7 dye reached 99%after static adsorption at 30℃for 24 h.After three sorption-desorption experiments,the adsorption properties of keratin aerogel did not change significantly.

关 键 词：角蛋白 气凝胶 羽毛残渣 酸性橙7 染料吸附 吸附-解吸附 

分 类 号：TQ427.26[化学工程] TQ424[环境科学与工程—环境工程] X703