Journal of Korean Society of Water and Wastewater (상하수도학회지)

The Korean Society of Water and Wastewater (대한상하수도학회)
권호 표지

Economical Evaluation Based on Method of Coagulation with GAC Adsorber Operation

활성탄 흡착지의 운영시 응집 방법에 따른 경제성 평가

  • 홍성호 (숭실대학교 공과대학 환경.화학공학과) ;
  • 성대현 (숭실대학교 공과대학 환경.화학공학과)
  • Received : 2005.05.09
  • Accepted : 2005.07.28
  • Published : 2005.08.15
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Abstract

Applying enhanced coagulation is not uncommon not only to improve water quality but also to obtain economical advantages in water treatment. In this study, the economical evaluation was investigated with considering dosage of coagulant, produced sludges and usage of activated carbon with two different water sources. To simulate the granular activated carbon(GAC) adsorber mini-column test was adapted. Even if there were some variation according to the source waters, the life time of GAC was extended 60 to 110days with adding 2.5 to 3 times of coagulant in enhanced coagulation. With assumption of changing GAC adsorber at 50% of breakthrough the total treatment cost can be reduced to range from 25% to 44% with adapting the enhanced coagulation. The obtained value can not be generalized because the value can be varied by water quality and cost of the GAC or coagulant. However, the evaluation can be basis starting point to find optimum operation methods for the drinking water treatment which has plan to adapt GAC adsorber.

Keywords

Acknowledgement

Supported by : 숭실대학교

References

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