Efficient antibacterial and dye adsorption by novel fish scale silver biochar composite gel

被引：17
|
作者：
Zhang, Zhichao [1 ,2 ,3 ]
He, Yu-Cai [1 ,3 ]
Liu, Youyan [1 ,2 ]
机构：
[1] Changzhou Univ, Natl Local Joint Engn Res Ctr Biomass Refining & H, Sch Pharm, Jiangsu Key Lab Adv Catalyt Mat & Technol, Changzhou 213164, Peoples R China
[2] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
[3] Changzhou Univ, Natl Local Joint Engn Res Ctr Biomass Refining & H, Sch Biol & Food Engn, Jiangsu Key Lab Adv Catalyt Mat & Technol, Changzhou 213164, Peoples R China
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2023年 / 248卷
基金：
中国国家自然科学基金;
关键词：
Nanosilver antibacterial composite; Antibacterial ability; Dye adsorption; HYDROGEL; NANOPARTICLES; PERFORMANCE; FABRICATION; CELLULOSE; REMOVAL; BIOMASS; WATER;
D O I：
10.1016/j.ijbiomac.2023.125804
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A silver-loaded carbon-chitosan-polyvinyl alcohol gel (C/CTS/PVA) was designed for suppressing microbial growth and dye adsorption. The antibacterial test results showed that C/CTS/PVA gel had a good antibacterial ability against Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa. The inhibition rate in water was 100 %, and the antibacterial rate remained above 95 % within 35 days after preparation. The tight spatial structure provided by the adhesive effect of PVA and CTS effectively prevented water loss and enhanced the stability of the gel. The adsorption curves of the gel were fitted by establishing the pseudo-first order and pseudosecond order kinetic models. The adsorption curves were more consistent with the pseudo-second-order kinetic model. The best adsorption effect for Malachite green was 128.12 mg/g. C/CTS/PVA gel had a remarkable adsorption effect on Malachite green, Congo red, Methyl orange, and Methylene blue. In general, C/CTS/PVA gels have great potential for the treatment of sewage in the future.
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收藏
页数：13
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