[1]邹豪君,韩兴威,顾广年,等.doi: 10.3969/j.issn.1001-3849.2025.08.001壳聚糖/氧化石墨烯吸附剂的制备及性能研究[J].电镀与精饰,2025,(08):1-8.
 Zou Haojun,Han Xingwei*,Gu Guangnian,et al.Preparation and performance of chitosan/graphene oxide adsorbent[J].Plating & Finishing,2025,(08):1-8.
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doi: 10.3969/j.issn.1001-3849.2025.08.001壳聚糖/氧化石墨烯吸附剂的制备及性能研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年08
页码:
1-8
栏目:
出版日期:
2025-08-31

文章信息/Info

Title:
Preparation and performance of chitosan/graphene oxide adsorbent
作者:
邹豪君1韩兴威1顾广年2陆 冲1高 雪1王斯佳1
(1. 沈阳理工大学 环境与化学工程学院,辽宁 沈阳 110159 ;2. 力拓(肥料)
Author(s):
Zou Haojun1 Han Xingwei1* Gu Guangnian2 Lu Chong1 Gao Xue1 Wang Sijia1
(1. School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, China; 2. Rio Tino Fertilizer (Shenyang) Co., Ltd., Shenyang 110122, China)
关键词:
壳聚糖氧化石墨烯镍离子吸附
Keywords:
chitosan graphene oxide nickel ions adsorption
分类号:
TQ323.5,TQ424
文献标志码:
A
摘要:
为了解决电镀废液中广泛存在的金属镍离子(Ni2+)污染大、回收难的问题,采用共混法设计合成了壳聚糖/氧化石墨烯(CS/GO)复合材料,再通过离子印迹技术制得CS/GO Ni2+印迹复合材料。研究了振荡时间、初始浓度、pH值和共存离子等因素对CS/GO吸附Ni2+的性能的影响。结果表明,CS/GO复合材料在溶液pH为6,振荡时间为100 min,Ni2+初始浓度为300 mg·L?1的条件下的吸附效果较好。CS/GO复合材料吸附Ni2+的过程符合拟二级动力学模型和Langmuir模型,其对Ni2+的最大吸附量可以达到1 002.665 0 mg·g?1,经过5次的吸附-脱附试验后,吸附量是第一次吸附量的92.15%,仍保持优异的吸附性能。
Abstract:
In order to address the issue of elevated pollution levels and the challenging recovery of nickel metal ions (Ni2+) present in significant quantities in electroplating waste solutions, chitosan/graphene oxide (CS/GO) composites were designed and synthesized using a blending method, in which CS/GO Ni2+ imprinted composites were made by ion-imprinting technique. The impact of oscillation time, initial concentration, pH and coexisting ions on the efficacy of CS/GO for Ni?? adsorption was examined. The results showed that excellent adsorption performance of CS/GO composite material was obtained under the conditions of solution pH 6, oscillation time of 100 min, and initial concentration of Ni 2+of 300 mg·L?1. The adsorption process of Ni2+ by CS/GO composites conformed to the pseudo-second-order kinetic model and Langmuir model, and its maximum adsorption capacity for Ni 2+ can reach 1 002.665 0 mg·g ?1. After five cycles of adsorption-desorption tests, the adsorption capacity was 92.15% of the first cycle, and the excellent adsorption performance was still maintained

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更新日期/Last Update: 2025-08-11