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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The LiBr aqueous solution, which is the absorption liquid of absorption refrigerator, must be replaced periodically because the concentration of impurities such as Cu<sup>2+</sup> , Fe<sup>2+ </sup>, Ca <sup>2+</sup> , etc., increases due to corrosion of the tubes as the period of use increases, and the refrigeration efficiency decreases significantly. In order to reuse the waste absorption liquid, flocculation-precipitation method is mainly applied to precipitate the impurities, which requires hundreds of times the concentration of impurities and generates additional waste. In this study, a process for removing Cu ion impurities from cyclone electrolyzer by electrolytic reduction is presented in a small-scale facility without additional waste. It was confirmed that Cu ion impurities can be removed down to 1 ppm by electrolytic reduction process, and to further improve the removal rate, the mass transfer rate was increased by using a cyclone electrolyzer.
The removal rate of Cu ions increased with the increase of flow rate and current density, and it was confirmed that Cu was removed at a rate of 1.48 ppm/h under the condition of 330 mL/sec and 2.5 mA/ ㎠.
The removal rate of Cu ions increased with the increase of flow rate and current density, and it was confirmed that Cu was removed at a rate of 1.48 ppm/h under the condition of 330 mL/sec and 2.5 mA/ ㎠.
목차
Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (7)
참고문헌 신청
R. Nikbakhti, X. Wang, A.K. Hussein, A. Iranmanesh, Absorption cooling systems–Review of various techniques for energy performance enhancement, Alexandria Engineering Journal, 59 (2020) 707-738.
X. Wang, Q. Zhou, Y. Cai, X. Yu, Waste heat recycling absorption refrigeration circulation system, Journal of Physics: Conference Series, 2520 (2023) 12-40.
A.A. Lima, G.D.N. Leite, A.A. Ochoa, C.A.D. Santos, J.A.D. Costa, P.S. Michima, A.M. Caldas, Absorption refrigeration systems based on ammonia as refrigerant using different absorbents: review and applications, Energies, 14 (2020) 48.
Y.H. Jo, Absorption Chiller, Korea Institute of Science and Technology Information, (2002).
W.S. Yang, Absorbent(LiBr) filtration purification system, Journal of the KARSE, 18 (2001) 103-111.
X. Wang, Q. Zhou, Y. Cai, X. Yu, Waste heat recycling absorption refrigeration circulation system, Journal of Physics: Conference Series, 2520 (2023) 12-40.
A.A. Lima, G.D.N. Leite, A.A. Ochoa, C.A.D. Santos, J.A.D. Costa, P.S. Michima, A.M. Caldas, Absorption refrigeration systems based on ammonia as refrigerant using different absorbents: review and applications, Energies, 14 (2020) 48.
Y.H. Jo, Absorption Chiller, Korea Institute of Science and Technology Information, (2002).
W.S. Yang, Absorbent(LiBr) filtration purification system, Journal of the KARSE, 18 (2001) 103-111.
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