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J Korean Soc Environ Eng > Volume 38(7); 2016 > Article
J Korean Soc Environ Eng 2016;38(7): 387-394. doi: https://doi.org/10.4491/KSEE.2016.38.7.387
국내 하천/호수에 적용된 조류저감기술의 조사 및 평가
변규덕1, 김가영1, 이인주1, 이새로미2, 박재로2, 황태문2, 주진철1
1한밭대학교 건설환경공학과
2한국건설기술연구원 환경플랜트연구소
Investigation and Evaluation of Algae Removal Technologies Applied in Domestic Rivers and Lakes
Kyu Deok Byeon1, Ga Young Kim1, Inju Lee1, Saeromi Lee2, Jaeroh Park2, Taemun Hwang2, Jin Chul Joo1
1Civil & Environmental Engineering, Hanbat National University
2Korea Institute of Civil Engineering & Building Technology, Environmental & Plant Engineering Research Institute
Corresponding author  Jin Chul Joo ,Tel: 042-821-1264, Fax: 042-821-1476, Email: jincjoo@hanbat.ac.kr
Received: May 16, 2016;  Revised: May 30, 2016;  Accepted: June 7, 2016.  Published online: July 31, 2016.
ABSTRACT
Commercial 28 algae removal technologies that have been applied in domestic rivers and lakes with green tide were investigated, analyzed and classified. The classification of algae removal technologies was based on the three criteria (i.e., principle, flow rate of water body, and application period). Also, algae removal technologies were evaluated in terms of cost effectiveness, field applicability, effect durability, and eco friendliness. From the analysis results, technologies using physical, chemical, biological, and convergent controls were 32.2%, 25%, 21.4%, and 21.4%, respectively. The 75% of technologies have been applied to stagnant water body (≤0.2 m/s). Also, algae harvesting ship with dissolved air flotation, conveyor belt and filtration processes and natural floating coagulant were found to have better field applicability, compared to other technologies. However, proper algae removal technology in specific rivers and lakes should be chosen after the evaluation of long-term pilot scale field test. Also, development of energy and resource recovery technologies from algae biomass is warranted.
Key Words: Algae Biomass, Algae Removal Technologies, Classification, Cost Effectiveness, Field Applicability, Green Tide
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