산업도금폐수 처리에 사용된 탄소폼 흡착소재의 중금속 탈착 및 회수에 관한 연구 |
이다영1, 이창구1, 김대운2, 박상현2, 권지향3, 이상협1,4 |
1한국과학기술연구원 물자원순환연구단 2한국스미더스오아시스 기술연구소 3건국대학교 환경공학과 4고려대학교 그린스쿨(에너지환경정책기술대학원) |
Study on Heavy Metal Desorption and Recovery of the Carbon Foam used in Industrial Plating Wastewater Treatment as Adsorbent |
Da-Young Lee1, Chang-Gu Lee1, Dae-Woon Kim2, Sang-Hyen Park2, Ji-Hyang Kweon3, Sang-Hyup Lee1,4 |
1Center for Water Resource Cycle Research, Korea Institute of Science and Technology 2R&D Center, Smithers-Oasis Korea 3Department of Environmental Engineering, Konkuk University 4Green School, Korea University |
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Received: September 22, 2016; Revised: November 28, 2016; Accepted: November 30, 2016. Published online: November 30, 2016. |
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ABSTRACT |
We investigated the characteristics of heavy metal desorption and recovery from carbon foam after plating wastewater treatment. The heavy metal desorption depends on solution chemistry because desorption occurred in HCl and H2SO4 solution but did not occur in distilled water. Heavy metal desorption efficiency was increased using ultrasonication with desorption solution. The higher ultrasonic power and the longer reaction time improve efficiency. The copper plating rinse solution was treated reliably by carbon foam adsorbent during 200 bed volume. The adsorbed copper was dissolved using desorption solution and recovered by DC power supply. After copper recovery, the reuse efficiency of desorption solution was 84.2%. |
Key Words:
Carbon Foam, Heavy Metal, Desorption, Recovery, Plating Wastewater |
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