Preparation of high surface area activated carbon from Eupatorium adenophorum using K 2 CO 3 activation by microwave heating

Green Processing and Synthesis

article

Hongying Xia¹  Jinhui Peng¹  Libo Zhang¹ 

[1] State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Kunming University of Science and Technology;Yunnan Provincial Key Laboratory of Intensification Metallurgy;National Local Joint Laboratory of Engineering Application of Microwave Energy and Equipment Technology;Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology

关键词: Eupatorium adenophorum;    high surface area activated carbon;    microwave heating;    potassium carbonate;   

DOI  :  10.1515/gps-2015-0025

来源: De Gruyter

【 摘 要 】

The present study attempts to utilize Eupatorium adenophorum to prepare high surface area activated carbon (HSAAC) with K 2 CO 3 activation using microwave heating. The operational variables including microwave power, K 2 CO 3 /C mass ratio and heating time on the adsorption capability and yield were identified. Additionally, the surface characteristics of HSAAC were characterized by nitrogen adsorption isotherms, X-ray diffraction, Fourier transform infrared (FTIR) spectroscopy and scanning electron microscopy (SEM). The optimum conditions resulted in HSAAC with an iodine number of 1696 mg/g and a yield of 32.88%. The Brunauer-Emmett-Teller (BET) surface area and total volume were 2768 m 2 /g and 1.149 ml/g, respectively. The findings strongly support the feasibility for preparation of HSAAC from E. adenophorum by microwave heating.

【 授权许可】

CC BY