화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2003년 가을 (10/24 ~ 10/25, 한양대학교)
권호 9권 2호, p.2915
발표분야 촉매/반응공학
제목 Preparation of dihydroxylbenzene through clean production technology
초록 Phenol hydroxylation with H2O2 has performed in batch reactor at a temperature of 20~70oC over various Ion- exchanged zeolites. Ion-exchanged zeolite with Fe2+ and Co2+ cations is very active and selective for dihydroxybenzenes in phenol hydroxylation with H2O2 in aqueous reaction medium at room temperature. Ion-exchanged zeolite with Fe2+ and Co2+ cations shows high catalytic activity at room temperature in phenol hydroxylation with H2O2, where the conversion of phenol is 21% and the selectivity of benzoquinone is below 3% at the molar ratio of phenol to H2O2 of 3 in the starting aqueous reaction medium. Metal ions exchanged into supercages and/or channels of zeolite are supposed to act as active centers for the reaction.
저자 박중남1, 이철위1, 김진원1, 박용기1, 정한철2, 송인표2, 최광식2, 홍석인3
소속 1한국화학(연), 2애경화학 기술(연), 3고려대
키워드 Hydroxylation; Phenol; H2O2; Catalyst
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