The Assessment for the Removal Effect of Odorous Compounds due to Algae in Water Treatment Plants

정수장에서 조류기인 냄새물질의 처리효율 조사연구

Sin, Ho-Sang;An, Hye-Sil
신호상;안혜실

  • Published : 20030000

Abstract

The removal effect of odorous compounds due to algae in three water treatment plants was studied. A simple LLE-GC-MS-SIM procedure was used to the routine analysis of odorous compounds. We detected two odorous compounds of geosmin(GSM) and 2-methylisoborneol(2-MIB) in both raw and finished water. Concentration of 2-MIB and GSM ranged from ND to 12.5 and from ND to 66.0 ng/l in the raw and finished water, respectively. 2-MIB and GSM were not generally removed during conventional water treatment, but increased during chlorination owing to cell lysis. The flocculation or the filtration before the chlorination may be effective at reducing 2-MIB and GSM concentrations in the finished water throughout most of the season. Optimal coagulation agent, which does not cause lysis of cells of algae is necessary for the removal of cells in healthy state, with no additional release of GSM.

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References

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