Ultra-high adsorption behavior of zeolitic imidazole framework-67 nanoparticles for removing brilliant green dye
Source abstract
Abstract
Metal–organic frameworks have been a new type of adsorbent in environmental remediation due to their simple preparation processes and stable chemical properties in water. However, they are limited by their low adsorption capacities to some organic pollutants. Herein, ZIF-67 nanoparticles with a high Brunauer, Emmett and Teller (BET) surface area were designed and successfully synthesized by a time-saving, low cost, and environment liquid phase synthesis method at room temperature. The physicochemical properties of ZIF-67 nanoparticles were well studied by various measurements, such as x-ray diffraction, BET analysis, and scanning transmission microscopy. Meanwhile, the ZIF-67 nanoparticles with the stable structure are introduced as the adsorbent for trapping brilliant green in pollutant water, exhibiting the ultra-high adsorption capacity of 1989 mg g−1 due to their high specific surface area (425 m2 g−1) and the interaction between π–π and the benzene ring. Moreover, the ZIF-67 showed acceptable reusability after regeneration with ethanol. Evidently, the ZIF-67 nanoparticles show excellent adsorption performances for organic dyes. This work can give a new application to zeolite imidazole framework materials in water treatment.
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Research context
OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Adsorption and biosorption for pollutant removal · Nanomaterials for catalytic reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical and Vehicle Engineering, West Anhui University 1 , Luan 237010, China
School of Mechanical Engineering, Hefei University of Technology 2 , Hefei 230009, China
School of Materials Science and Engineering, Jiangsu University 3 , Zhenjiang 212013, China
Funding
University Natural Science Research Project of Anhui Province · Key Research and Development Project of Anhui Province · Natural Science Research Project of West Anhui University
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