棉纺织技术2025，Vol.53Issue(12)：35-42,8.DOI:10.26967/j.issn1000-7415.202506007
功能化多孔废棉纤维素气凝胶的制备及吸附性能研究
Preparation of functionalized porous waste cotton cellulose aerogel and its adsorptivity research
摘要
Abstract
To reduce the discharge of oily wastewater and the environmental impact of industrial oil pollution,nano-cellulose was prepared by using waste cotton fibers as raw material through anhydride-alkali system modification.The nano-cellulose was modified by naturally extracted tea polyphenols from tea leaves and iron ions through chelation,modified porous cellulose aerogel(FA)with photothermal conversion capability was successfully produced.The structure of FA was observed,the effects on porosity,wettability and photothermal conversion property on oil adsorption performance were tested and analyzed.The results showed that the prepared FA cellulose aerogel had porous structure.Under 1 000 W/m2 light irradiation conditions,the temperature could be increased to 72.9℃in 2 minutes,exhibiting superior photothermal performance compared to unmodified cellulose aerogel(PA).FA porosity was higher(99.45%),under light irradiation,FA through photothermal conversion,the viscosity of oil solvent could be reduced and their flow speed was accelerated,thereby the adsorption performance could be enhanced.It exhibited higher absorption capacity for different oil solvents.After 10 adsorption cycles,the adsorption capacity retention rate of FA was still remained 56.0%.It is considered that the study provides a new strategy for the high-value utilization of waste biomass resources and offers new insights into the development of efficient,environmentally friendly and stimulus-responsive oil spill treatment materials.关键词
废棉纤维素/气凝胶/油溶剂/光热转换/吸附性能/茶多酚/绿色环保Key words
waste cotton cellulose/aerogel/oil solvent/photothermal conversion/adsorption property/tea polyphenols/green and environmentally friendly分类
轻工纺织引用本文复制引用
陈洋,唐雪艳,张洪卫,王丹,宋均燕,朱若斐..功能化多孔废棉纤维素气凝胶的制备及吸附性能研究[J].棉纺织技术,2025,53(12):35-42,8.基金项目
新疆维吾尔自治区科技计划项目-重点研发专项(2023B02045-3) （2023B02045-3）
新疆维吾尔自治区自然科学基金青年基金项目(2024D01C214) （2024D01C214）
新疆东纯兴纺织有限公司横向项目(202410140007) （202410140007）
新疆大学博士启动基金项目(620323016) （620323016）
