Combined effects of textural and surface properties of modified ordered mesoporous carbon (OMC) on BTEX adsorption.
作者： Qiyu Lian , Mas Iwan Konggidinata , Zaki Uddin Ahmad , Daniel Dianchen Gang , Lunguang Yao
DOI: 10.1016/J.JHAZMAT.2019.05.079
关键词: Nuclear chemistry 、 Surface modification 、 Adsorption 、 Xylene 、 Benzene 、 BET theory 、 Chemistry 、 Ethylbenzene 、 BTEX 、 Boric acid
摘要: Abstract In this study, we first investigated the effects of textural parameters and surface properties ordered mesoporous carbon (OMC) for adsorptive removal Benzene, Toluene, Ethylbenzene, Xylene (BTEX) from aqueous solutions. The BET area, pore volume, functional groups OMC played a crucial role in affecting adsorption performance BTEX. Boric acid was used to increase size area 5.94 nm 6.74 nm 1276 m2/g 1428 m2/g, respectively. Citric introduce more oxygen-containing on achieving an overall 11.4% oxygen content. batch experiments were conducted evaluate capacity modified towards BTEX results showed that exhibited significant improvement following order: Xylenes > Ethylbenzene > Toluene > Benzene. capacities improved 8% 15% with addition boric compared virgin. Surface functionalized using citric total 142 mg/g increment 40.5% virgin OMC.
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