| 학회 |
한국화학공학회 |
| 학술대회 |
2017년 봄 (04/26 ~ 04/28, ICC 제주) |
| 권호 |
23권 1호, p.669 |
| 발표분야 |
에너지 환경 |
| 제목 |
Synergistic effect of mediated electrochemical reduction and mediated electrochemical oxidation on NO removal by electro-scrubbing |
| 초록 |
A combined MER (mediated electrochemical reduction) and MEO (mediated electrochemical oxidation) approach was examined for the first time for the efficient removal of NO by electro-scrubbing. The generation of a mediator (Ni(I) from Ni(II)(CN)42- in 9 M KOH) by electrochemical reduction was identified by the changes in the ORP value and potentiometric titration. The MER of NO at the cathodic half-cell by electro-scrubbing revealed the formation of NH3 and N2. The reductive removal efficiency of NO was 100% up to a gas flow rate of 2 L min-1. At the anodic half-cell, the Co(III) mediator from Co(II)SO4 in 5 M H2SO4 was generated electrochemically with concomitant conversion of NO to NO3 in the solution phase with a removal efficiency of 28%. The combination of MEO and MER with electro-scrubbing demonstrates 100% removal efficiency of NO at a high gas flow rate of 4 L min-1. The combined removal approach is more suitable for high concentrated NO industrial sources compared to the single half-cell approach. |
| 저자 |
A.G.Ramu, G.MUTHURAMAN, 문일식
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| 소속 |
순천대 |
| 키워드 |
친환경 |
| E-Mail |
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| 원문파일 |
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