Removal of Geosmin and 2-methylisoborneol in Drinking Water by Powdered Activated Carbon
- Removal of Geosmin and 2-methylisoborneol in Drinking Water by Powdered Activated Carbon
- 송경근; 신재원; 채아나; 조강우; 이병찬
- Geosmin; 2-methylisoborneol (2-MIB); 분말활성탄; 흡착제; 정수처리; Powdered Activated Carbon (PAC); Adsorbents; Water Treatment
- Issue Date
- VOL 37, NO 2-483
- Geosmin and 2-methylisoborneol (2-MIB) produced by cyanobacteria during algal blooming in surface water are the major tasteand-odor-causing compounds in drinking water and need to be removed. Activated carbon is often used in treatment plants for the mitigation of odor problem. However, there is a lack of information on the effect of pore size distribution and particle size of activated carbon for adsorption of both odor compounds. Therefore, we studied the effect of pore size distribution and particle size of activated carbon on the adsorption of geosmin and 2-MIB. When comparing the adsorption of geosmin and 2-MIB between activated carbon fiber (ACF), powdered activated carbon (PAC) and granular activated carbon (GAC), the order of removal efficiency was PAC > ACF > GAC. As a result of comparing PACs with various pore distribution characteristics, well-developed micropores on activated carbon were found to be favorable for adsorption of geosmin and 2-MIB. For particle size, smaller was more effective for adsorption of geosmin and 2-MIB.
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