Preparation of high-performance toluene adsorbents by sugarcane bagasse carbonization combined with surface modification.

ABSTRACT: A series of activated carbons were prepared by carbonizing sugarcane bagasse combined with surface modification, which showed an excellent performance of adsorbing toluene (522 mg g^-1 at 30 °C). The results demonstrated that the enhancement of the activated temperature was benefit to promote the porosity and specific surface area (BET) of ACs. Thus, AC-800 showed optimal adsorption and its toluene adsorption performance was better than that of most ACs in the literature. Five consecutive adsorption-desorption cycles presented that AC-800's toluene adsorptive capacity was as high as 522 mg g^-1 (30 °C), and toluene adsorptive capacity was only decreased by 4.5%. According to the fraction of N-containing functional groups and the binding energy of toluene on N-containing

SUBMITTER: Wang Y 

PROVIDER: S-EPMC9054733 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature