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수처리용 미세조류의 수확을 위한 전기응집기술의 적용 KCI 등재

Feasibility Study on Electro Coagulation Flocculation for Microalgae Harvesting

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  • URLhttps://db.koreascholar.com/Article/Detail/327351
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상하수도학회지 (Journal of the Korean Society of Water and Wastewater)
대한상하수도학회 (Korean Society Of Water And Wastewater)
초록

Although microalgae are considered as a promising feedstock for biofuels, cost-efficient harvesting of microalgae needs to be significantly improved. In this study, the use of electro coagulation as a more rapid flocculation method for harvesting a freshwater (Scenedesmus dimorphus) microalgae species was evaluated. The results showed that, electro coagulation was shown to be more efficient using an aluminum anode than using an iron anode. And optimum conditions of electro coagulation for harvesting Scenedesmus dimorphus were found. The optimum stirring speed was 100 rpm and optimum pH was 5. Furthermore, the current density which the fastest and highest recovery efficiency is achieved at 30 A/m2, while the highest energy efficiency was achieved at 10 A/m2. A the rapid and high recovery efficiency indicate that electro coagulation is a particularly attractive technology for harvesting microalgae.

저자
  • 이석민 | Seok Min Lee
  • 조재형 | jae Hyung Cho
  • 노경호 | Kyung Ho Noh
  • 장산 | shan Zhang
  • 황현정 | Hyeon-Jeong Hwang
  • 남귀숙 | Nam guisook
  • 황선진 | Sun-Jin Hwang Corresponding author