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학술저널
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이상은 (고등기술연구원) 박정은 (고등기술연구원) 백승한 (한국광해광업공단) 배효진 (한국광해광업공단) 김석휘 (고등기술연구원)
저널정보
한국환경에너지공학회 환경에너지공학 환경에너지공학 제18권 제2호
발행연도
2023.12
수록면
82 - 90 (9page)

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The process of preparing activated carbon through chemical activation with KOH results in a substantial generation of wastewater during the washing phase. Anthracite contains ash components such as Al₂O₃, SiO2, Fe₂O₃, etc., and these can leach into the water following KOH activation. In this investigation, zeolite synthesis utilized the washed water. Hydrothermal synthesis was conducted for 12 hours at temperatures of 100℃, 130℃, 150℃, and 190℃. Subsequently, the synthesized solution, post-reaction completion, was segregated into supernatants and subnatants for the comprehensive analysis of the recovered solids. Under a Si/Al molar ratio of 1.0, ZSM-12 was synthesized for the supernatant, while Zeolite-F was synthesized for the subnatant. Furthermore, upon scrutinizing solids synthesized within the range of a Si/Al molar ratio from 0.05 to 0.5, it was evident that a lower alumina content resulted in a higher synthesis of ZSM-12, whereas a higher alumina content correlated with an increased synthesis of Zeolite-F. Additionally, it was established that zeolite synthesis exhibited improved performance with the escalation of hydrothermal temperature. These findings suggest the potential for deriving high-value resources from inorganic components produced as by-products in the manufacturing process, alongside the production of activated carbon as a carbon material for anthracite.

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ABSTRACT
1. 서론
2. 실험방법
3. 실험 결과
4. 결론
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