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헤테로폴리산계 촉매에 의한 n-Butene의 이성화반응

Isomerization of n-Butenes over Heteropoly Acid Compounds

김홍곤 김재진 이화영 이재성

Kim HG Kim JJ Lee WY Lee JS

HWAHAK KONGHAK, August 1982, 20(4), 255-266(12), NONE

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Abstract

산화반응에 유효한 고체 헤테로폴리 12-몰리브도 인산과 그의 금속염 촉매를 이용하여 n-Butene의 이성화 반응성 및 선택성의 변화를 조사함으로써 촉매의 특성을 검토하였다. 촉매표면에 수분이 공급되면 반응성 및 활성지속도가 향상되었으며, 기본산내의 수소이온을 일부만 직환시켜 금속염을 제조하면 향상된 활성도를 나타내었다.

Heteropoly acids and their related compounds function not only as acidic solid catalysts with redox characteristics, but also as catalysts selective to the oxidation reaction lik the formation of methacrylic acid from methacrolein. For the investigation of their catalytic characteristics, the isomerization of n-butenes was studied using the catalysts of 12-molybdo phosphoric acid and its several metal salts. The catalytic activities of heteropoly acid were increased with the injected water vapor, and metal salts prepared with partial exchange of hydrogen ions gave much higher activities.

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