Journal of Environmental Impact Assessment (환경영향평가)

Korean Society of Environmental Impact Assessment (한국환경영향평가학회)
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A Study on the Evaluation of the Adsorption Efficiency of Heavy Metals by the Content of Jellyfish Extract at Immunity Reaction in Alginate bead

알긴산 비드에 혼합된 해파리 면역 반응물질 함량에 따른 중금속 흡착효율 평가에 관한 연구

  • Jong Hwan Kim (Department of Applied Environmental Science, Kyung Hee University) ;
  • Hyeok Jin Park (Department of Applied Environmental Science, Kyung Hee University) ;
  • Inho Choi (Department of Applied Environmental Science, Kyung Hee University) ;
  • Eunjin Kim (SICST Co., Ltd) ;
  • I Song Choi (Graduate School of Technology Management, Kyung Hee University) ;
  • Jong-Min Oh (Department of Environmental Science and Engineering, Kyung Hee University)
  • 김종환 (경희대학교 환경응용과학과) ;
  • 박혁진 (경희대학교 환경응용과학과) ;
  • 최인호 (경희대학교 환경응용과학과) ;
  • 김은진 (싸이스트 주식회사) ;
  • 최이송 (경희대학교 테크노경영대학원) ;
  • 오종민 (경희대학교 환경학 및 환경공학과)
  • Received : 2023.09.15
  • Accepted : 2023.11.15
  • Published : 2023.12.31
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Abstract

As the industry develops, the amount of heavy metals flowing into the ecosystem is increasing. Heavy metals are difficult to decompose and remain in the ecosystem for a long time and cause toxicity, which is removed by physicochemical methods such as adsorption, filtration, and chemical precipitation during water treatment. In this study, Alginate bead was selected as a chelating resin for adsorbing and removing heavy metals, and the Jellyfish Extract at Immunity reaction (JEI) were mixed to evaluate the adsorption efficiency of heavy metals accordingly. beads mixed with JEI showed high adsorption efficiency in lead (79-99%) and copper (64-70%) according to the characteristics of Alginate, and low adsorption efficiency in cadmium (25-37%) and zinc (5-6%). Although heavy metal adsorption did not increase in proportion to the content of JEI, 50% and 100% JEI beads showed significant increases. As a result of applying the reaction rate equation, it was found that it was more suitable for the pseudo-secondary reaction equation than the pseudo-first reaction equation.

산업이 발전함에 따라 생태계로 유입되는 중금속의 양이 증가하고 있다. 중금속은 분해가 어려워 생태계 내에 장기간 잔류하고 독성을 유발한다. 이러한 중금속은 수처리 시 흡착, 여과, 화학적 침전 등 물리 화학적 방법으로 제거된다. 본 연구에서는 중금속 흡착 및 제거용 킬레이트 수지로 알긴산 비드를 선정하고 이에 따른 중금속 흡착효율을 평가하기 위하여 JEI (Jellyfish extract at immunity reaction)를 혼합하였다. JEI를 혼합한 비드는 알지네이트의 특성에 따라 납(79-99%)과 구리(64-70%)에서 높은 흡착효율을 보였으며 카드뮴(25-37%)과 아연(5-6%)에서 낮은 흡착효율을 나타내었다. 중금속 흡착은 JEI의 함량에 비례하여 증가하지 않았으나 50%와 100% JEI 비드가 유의미한 증가를 나타내었다. 반응 속도식을 적용한 결과 유사 1차 반응식보다 유사 2차 반응식에 더 적합한 것으로 나타났다. 결론적으로 비드의 생산 단가나 중금속 흡착제거 효율을 비교해보면 50% JEI 비드가 중금속 흡착제거에 적합한 것으로 사료된다.

Keywords

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