Zeolitic imidazolate framework-8 modified bacterial cellulose/sodium alginate composite aerogel for efficient removal of tetracycline hydrochloride

被引：4
作者：
Yang, Xu [1 ,2 ]
Bismark, Sarkodie [1 ]
Wang, Dengbing [1 ]
Liu, Zuyi [1 ]
Tao, Yun [1 ]
Sun, Ziwei [1 ]
Han, Xu [1 ]
Feng, Quan [1 ,3 ]
机构：
[1] Anhui Polytech Univ, Coll Text & Clothing, Wuhu, Peoples R China
[2] Adv Fiber Mat Engn Res Ctr Anhui Prov, Wuhu, Peoples R China
[3] Anhui Polytech Univ, Coll Text & Clothing, 8 Beijing Middle Rd, Guandou St, Wuhu 241000, Anhui, Peoples R China
来源：
JOURNAL OF INDUSTRIAL TEXTILES | 2023年 / 53卷
关键词：
Composite aerogel; bacterial cellulose; sodium alginate; metal-organic framework; antibiotics; ZERO-VALENT IRON; PHOTOCATALYTIC DEGRADATION; AQUEOUS-SOLUTION; ADSORPTION; ADSORBENT; WATER; DYE; NANOCOMPOSITES; ENROFLOXACIN; TC;
D O I：
10.1177/15280837231204374
中图分类号：
TB3 [工程材料学]; TS1 [纺织工业、染整工业];
学科分类号：
0805 ; 080502 ; 0821 ;
摘要：
Antibiotics released in the water pose a serious threat to human and ecological health. Therefore, it is of great importance to effectively remove antibiotics from wastewater. In this study, recyclable bacterial cellulose/sodium alginate/zeolitic imidazolate framework-8 (BC/SA/ZIF-8) aerogel composites were prepared by chemical cross-linking and in situ growth in freeze-drying. The successful preparation of the composite aerogel was confirmed by scanning electron microscope (SEM), Fourier Transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) analysis. The results reveal that BC/SA/ZIF-8 aerogel composite has significantly high BET specific surface area of 165.24 m2/g than that of BC/SA at 7.39 m2/g. The BC/SA/ZIF-8 composite aerogel exhibited excellent adsorption performance for tetracycline hydrochloride, with a maximum adsorption capacity of 746.27 mg/g. The adsorption process followed the pseudo-second-order kinetic model and Langmuir adsorption isotherm model. Moreover, the reusability test on BC/SA/ZIF-8 composite aerogel revealed an insignificant decline in adsorption after six cycles. Therefore, BC/SA/ZIF-8 composite aerogel has a high potential as a novel and recyclable adsorbent for efficient removal of tetracycline hydrochloride from water.
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页数：21
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