纤维素/NixZn1-xFe2O4碳气凝胶纳米复合材料的制备及光Fenton性能研究

赵欢欢, 丁成立*, 岳盼, 杨宏声, 朱筱, 马雪

化工新型材料 ›› 2022, Vol. 50 ›› Issue (8) : 213 -218.

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化工新型材料 ›› 2022, Vol. 50 ›› Issue (8) : 213-218. DOI: 10.19817/j.cnki.issn1006-3536.2022.08.041
科学研究

纤维素/NixZn1-xFe2O4碳气凝胶纳米复合材料的制备及光Fenton性能研究

    赵欢欢, 丁成立*, 岳盼, 杨宏声, 朱筱, 马雪
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Study on preparation of cellulose/NixZn1-xFe2O4-CA nanocomposite and its photo-fenton performance

  • Zhao Huanhuan, Ding Chengli, Yue Pan, Yang Hongsheng, Zhu Xiao, Ma Xue
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摘要

将Zn(NO3)2·6H2O、Fe(NO3)3·9H2O、Ni(NO3)2·6H2O按一定比例加入到纤维素水凝胶碱性基底中,经过冷冻干燥和高温碳化处理形成纤维素/NixZn1-xFe2O4碳气凝胶纳米复合材料(纤维素/NixZn1-xFe2O4-CA),研究样品对MB溶液的降解效果,得出纤维素/50%Ni0.3Zn0.7Fe2O4-CA-700℃具有较好的光降解性能,对其形貌结构、组成、光电化学性质进行表征,并对光降解环境进一步改性,调整pH,加入H2O2形成类芬顿体系,光降解速率提升至0.032min-1,并结合上述表征手段研究其光降解机理。

Abstract

Adding Zn(NO3)2·6H2O,Fe(NO3)3·9H2O and Ni(NO3)2·6H2O in light of mole ratio into hydrogel alkaline substrate to synthesize cellulose/NixZn1-xFe2O4,after freeze drying and different carbonized temperature to form cellulose/NixZn1-xFe2O4 carbon aerogels nanocomposites (Cellulose/NixZn1-xFe2O4-CA).The photodegradation of the samples to MB solution was researched.It was concluded that cellulose/50%Ni0.3Zn0.7Fe2O4-CA-700℃ had good photodegradation properties,and characterized the morphology,composition and photoelectric chemical properties.The photodegradation environment was further modified with adjusting pH and H2O2 constructed photo-fenton system.The photodegradation rate was increased to 0.032min-1.The photodegradation mechanism was studied by combining the above characterization methods.

关键词

棉短绒 / 纤维素 / 铁氧体 / 碳气凝胶 / 光降解 / 类芬顿

Key words

cotton linter / cellulose / ferrite / carbon aerogel / photodegradation / Fenton-like

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纤维素/NixZn1-xFe2O4碳气凝胶纳米复合材料的制备及光Fenton性能研究[J]. 化工新型材料, 2022, 50(8): 213-218 DOI:10.19817/j.cnki.issn1006-3536.2022.08.041

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基金资助

国家自然科学基金(21666035)

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