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Removal of I- from Aqueous Solutions Using a Biomass Carbonaceous Aerogel Modified with KH-560
Sun, Li1,2,3,4,5; Zhang, Yujie3,4; Ye, Xiushen1,2; Liu, Haining1,2; Zhang, Huifang1,2; Wu, Aiguo3,4; Wu, Zhijian1,2
2017-09-01
发表期刊ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷号5期号:9页码:7700-7708
文章类型Article
摘要Materials capable of separating and removing iodine ions (I-) from aqueous solutions are significant to our society, especially human health. Adsorption is one of the effective I- separation methods. In this work, a novel biomass carbonaceous aerogel (CA) modified with 3-glycidyl-oxypropyl-trimethoxy-silane (KH-560) was prepared and used for I- adsorption for the first time. This preparation process of CA@KH-560 is easily accessible. The results of characterization demonstrated that CA and CA@KH-560 have three-dimensional porous structure with the sheetlike skeletons connected to each other, and KH-560 effectively entered into the matrix of CA. Adsorption experiments were carried out systematically by changing the pH, adsorption time, ionic strength, temperature, and ion concentration. The maximal adsorption capacity for I- is 2.5 mmol/g at an initial pH of 1.5. The adsorption can reach equilibrium within 24 h, and the data of adsorption kinetics fitted the pseudo-second-order model very well. The adsorption isotherm model Langmuir, Freundlich, and Tempkin isotherms were studied, and the results showed that the Langmuir model is the best-fitting one for the experimental results. Moreover, CA@KH-560 shows excellent regenerating ability, and the regeneration process is relatively simple.
关键词Iodide Ion Biomass Carbonaceous Aerogel Kh-560 Adsorption Regeneration
WOS标题词Science & Technology ; Physical Sciences ; Technology
关键词[WOS]IODIDE ADSORPTION ; HIGHLY EFFICIENT ; MAGNETIC NANOMATERIAL ; GRAPHENE AEROGELS ; ACTIVATED CARBON ; ADSORBENT ; WATER ; NANOPARTICLES ; COMPOSITES ; HYDROGELS
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000410006200029
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6252
专题青海盐湖研究所知识仓储
盐湖资源与化学实验室
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Lab Comprehens & Highly Efficient Utiliza, 18 Xinning Rd, Xining 810008, Qinghai, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources Chem Qinghai Prov, 18 Xinning Rd, Xining 810008, Qinghai, Peoples R China
3.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Addit Mfg Mat Zhejiang Prov, CAS Key Lab Magnet Mat & Devices, 1219 Zhongguan West Rd, Ningbo 315201, Zhejiang, Peoples R China
4.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Div Funct Mat & Nanodevices, 1219 Zhongguan West Rd, Ningbo 315201, Zhejiang, Peoples R China
5.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China
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GB/T 7714
Sun, Li,Zhang, Yujie,Ye, Xiushen,et al. Removal of I- from Aqueous Solutions Using a Biomass Carbonaceous Aerogel Modified with KH-560[J]. ACS SUSTAINABLE CHEMISTRY & ENGINEERING,2017,5(9):7700-7708.
APA Sun, Li.,Zhang, Yujie.,Ye, Xiushen.,Liu, Haining.,Zhang, Huifang.,...&Wu, Zhijian.(2017).Removal of I- from Aqueous Solutions Using a Biomass Carbonaceous Aerogel Modified with KH-560.ACS SUSTAINABLE CHEMISTRY & ENGINEERING,5(9),7700-7708.
MLA Sun, Li,et al."Removal of I- from Aqueous Solutions Using a Biomass Carbonaceous Aerogel Modified with KH-560".ACS SUSTAINABLE CHEMISTRY & ENGINEERING 5.9(2017):7700-7708.
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