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- 저자 : Hossein Shahriyari Far (검색결과 1 건)
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Mahdi Hasanzadeh,Abdolreza Simchi,Hossein Shahriyari Far 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.81 No.-
Activated carbon (AC) is an inert adsorbent material that has widely been used in water treatment orremoving of environmental pollutants from water. In order to improve the adsorption of AC, which highlydepends on its pore size and surface area, we prepared highly porous adsorbent composites of activatedcarbon (AC)/chromium-based MOF (MIL-101(Cr)). The composite has a high specific surface area of2440 m2 g 1 and total pore volume of 1.27 cm3 g 1. To show the efficiency of the composite as anadsorbent, the removal kinetics of anionic dyes (Direct Red 31 and Acid Blue 92) from aqueous solutionsdependent on the amount of composite, adsorption time, concentration of dye and pH is demonstrated. Itis shown that the kinetics of organic dye removal by AC@MIL-101(Cr) composite is faster than MIL-101(Cr) under near neutral pH conditions. The half-time of removal is about 3 min while about 85% of the dyeis removed after 5 min. This study provides new idea into the design and synthesis of highly efficientnanoporous adsorbent based on MOFs for removal of pollutants as well as organic dyes from wastewater.
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