粘胶基沸石咪唑骨架材料的制备及其对染料的脱色

doi:10.13475/j.fzxb.20200700106

纺织学报 ›› 2021, Vol. 42 ›› Issue (02): 142-147.doi: 10.13475/j.fzxb.20200700106

粘胶基沸石咪唑骨架材料的制备及其对染料的脱色

娄娅娅, 王静, 董燕超, 王春梅()

南通大学纺织服装学院, 江苏南通 226019

收稿日期:2020-07-01 修回日期:2020-11-11 出版日期:2021-02-15 发布日期:2021-02-23
通讯作者: 王春梅
作者简介:娄娅娅(1996—),女,硕士生。主要研究方向为光催化材料。
基金资助:
江苏省研究生科研创新计划项目(SJKY19-2380);南通大学大学生创新训练计划项目(2020130)

Preparation and decolorization of rayon based zeoliticimidazolate framework functional material

LOU Yaya, WANG Jing, DONG Yanchao, WANG Chunmei()

School of Textile and Clothing, Nantong University, Nantong, Jiangsu 226019, China

Received:2020-07-01 Revised:2020-11-11 Online:2021-02-15 Published:2021-02-23
Contact: WANG Chunmei

摘要/Abstract

摘要：

为提高沸石咪唑骨架材料(ZIF-8)对染料的脱色性能,以粘胶织物为基材,在其表面负载氧化石墨烯,再原位生长ZIF-8得到氧化石墨烯/ZIF-8粘胶基功能材料,然后还原得到还原氧化石墨烯(rGO)/ZIF-8功能材料。借助扫描电子显微镜、X射线衍射仪、傅里叶红外光谱仪等对功能材料进行表征,分析其在不同光源下对活性黑KN-B染料的光催化降解效果及光催化机制。结果表明:rGO/ZIF-8粘胶基功能材料在模拟太阳光下,对20 mg/L 的活性黑KN-B染料的脱色率在90 min时达到97.1%,其与太阳光反应产生的导带电子被水中的溶解氧捕获形成过氧阴离子自由基(·O ^2-),是使活性黑KN-B染料降解的主要活性物质;重复使用3次后, rGO/ZIF-8粘胶基功能材料对活性黑KN-B染料的脱色率保持在90%以上。

关键词: 还原氧化石墨烯, 沸石咪唑骨架材料, 粘胶织物, 光催化降解, 活性黑KN-B, 废水处理

Abstract:

In order to improve the decolorization performance of zeoliticimidazolate framework material (ZIF-8) for dyes, reduced graphene oxide(rGO)/ZIF-8 rayon based functional materials were prepared by loading graphene oxide (GO) and ZIF-8 on rayon surface followed by reducing. The functional materials were characterized by scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectrometer. The photocatalytic degradation of Reactive Black KN-B dye by rGO/ZIF-8 rayon based functional material under different light sources was studied, and the photocatalytic mechanism was discussed. The results show that the decolorization ratio of rGO/ZIF-8 rayon based functional material for Reactive Black KN-B dye is 97.1%, and the superoxide anion radical (·O ^2-) produced by the reaction between the functional material and sunlight are captured by dissolved oxygen in water, which is the main active substance to degrade Reactive Black KN-B. After being reused for three times, the decolorization ratio of Reactive Black KN-B dye remains to be more than 90%.

Key words: reduced graphene oxide, zeoliticimidazolate framework material, rayon fabric, photocatalytic degradation, Reactive Black KN-B, wastewater treatment

中图分类号:

TS190.2

娄娅娅, 王静, 董燕超, 王春梅. 粘胶基沸石咪唑骨架材料的制备及其对染料的脱色[J]. 纺织学报, 2021, 42(02): 142-147.

LOU Yaya, WANG Jing, DONG Yanchao, WANG Chunmei. Preparation and decolorization of rayon based zeoliticimidazolate framework functional material[J]. Journal of Textile Research, 2021, 42(02): 142-147.

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粘胶基沸石咪唑骨架材料的制备及其对染料的脱色

Preparation and decolorization of rayon based zeoliticimidazolate framework functional material

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