NIMTE OpenIR  > 2018专题
Adsorption of boron by CA@KH-550@EPH@NMDG (CKEN) with biomass carbonaceous aerogels as substrate
Sun, Li; Huang, Jiancheng; Liu, Haining; Zhang, Yujie; Ye, Xiushen; Zhang, Huifang; Wu, Aiguo; Wu, Zhijian
2018
Source PublicationJOURNAL OF HAZARDOUS MATERIALS
Volume358Pages:43392
AbstractThis research reports an innovative boron adsorbent of CA@KH-550@EPH@NMDG (CKEN) via the modification of N-methyl-D-glucosamine (NMDG) on the surface of biomass carbonaceous aerogel, which is environmentally friendly, economically inexpensive, has simple preparation process and good regenerability. SEM and FT-IR characterization results indicate that CKEN has a 3D cross-staggered structure with lots of hydroxyl groups and pore structure, which are beneficial to the diffusion of boron and the chelation interaction between boron and CKEN. The adsorption behavior of CKEN for boron was evaluated. Various parameters affecting adsorption properties, viz., pH, ionic strength, initial concentration of boron, temperature and contact time were investigated. The adsorption kinetics is fitted with pseudo-second-order kinetics model better and the adsorption of boron on CKEN is an exothermic process. The adsorption equilibrium reached within 15 h with the maximum adsorption amount of 1.42 mmol/g (298 K). Moreover, CKEN also showed excellent reusability by consecutive five cycles of adsorption-desorption. It can be used as a potential recyclable adsorbent for efficient enrichment of boron from aqueous solution.
KeywordAqueous-solutions Waste Biomass Removal Water Biosorption Adsorbent Particles Composite Column Beads
Subject AreaAcoustics ; Chemistry
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/17197
Collection2018专题
Recommended Citation
GB/T 7714
Sun, Li,Huang, Jiancheng,Liu, Haining,et al. Adsorption of boron by CA@KH-550@EPH@NMDG (CKEN) with biomass carbonaceous aerogels as substrate[J]. JOURNAL OF HAZARDOUS MATERIALS,2018,358:43392.
APA Sun, Li.,Huang, Jiancheng.,Liu, Haining.,Zhang, Yujie.,Ye, Xiushen.,...&Wu, Zhijian.(2018).Adsorption of boron by CA@KH-550@EPH@NMDG (CKEN) with biomass carbonaceous aerogels as substrate.JOURNAL OF HAZARDOUS MATERIALS,358,43392.
MLA Sun, Li,et al."Adsorption of boron by CA@KH-550@EPH@NMDG (CKEN) with biomass carbonaceous aerogels as substrate".JOURNAL OF HAZARDOUS MATERIALS 358(2018):43392.
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