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Vol. 25 No. 5 (2013): Vol 25 Issue 5

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Granular Activated Carbon Adsorption Process for Removing Methyl tert-Butyl Ether from Groundwater

https://doi.org/10.14233/ajchem.2013.13580
Juan Hu
State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
Liu-Ya Huang
State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
Bing-Jing Li
State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
Wei Zhang
State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
Wei-Chi Ying
State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resources and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China

Corresponding Author(s) : Wei Zhang

zhangwei@ecust.edu.cn

Asian Journal of Chemistry, Vol. 25 No. 5 (2013): Vol 25 Issue 5

Abstract

Methyl tert-butyl ether (MTBE), a popular organic solvent and gasoline additive, has become a common groundwater pollutant. Extensive batch adsorption isotherm experiments and continuous flow breakthrough experiments were conducted to identify the most attractive granular activated carbon (GAC) and to determine the effects of important factors governing the GAC treatment effectiveness. The organic constituents of the test solution reduced the GAC's capacity for MTBE in pure water and that the reduction was dependent on both the solution composition and the GAC's pore structure. GAC's phenol number is a useful indicator of its adsorptive capacity for MTBE. MTBE breakthrough data confirmed the relative isotherm capacities and illustrated the better capacity utilization of using two serial adsorbers relative to a larger adsorber holding the combined amount of GAC. The environmental friendly bamboo JHBG1 was the most cost effective of 7 GACs studied. The GAC adsorption treatment is practical for removing a small quantity of MTBE from groundwater; biodegradation of MTBE in the adsorber will enable its long term service without periodic GAC replacement.

Keywords

Methyl tert-butyl ether Granular activated carbon Adsorptive capacity Capacity reductions
Hu, J., Huang, L.-Y., Li, B.-J., Zhang, W., & Ying, W.-C. (2012). Granular Activated Carbon Adsorption Process for Removing Methyl tert-Butyl Ether from Groundwater. Asian Journal of Chemistry, 25(5), 2631–2636. https://doi.org/10.14233/ajchem.2013.13580
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