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V2O5-P2O5 촉매에서 프로필렌의 산화에 의한 아크릴산의 합성
Oxidation of Propylene to Acrylic Acid on a V2O5-P2O5 Catalyst
HWAHAK KONGHAK, April 1991, 29(2), 134-142(9), NONE
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Abstract
프로필렌의 기상산화에 의한 아크릴산 제조반응에 대하여 V2-O5-P2O5 촉매를 사용하여 정상 및 비정상상태 조업을 실시하였다. 반응온도가 높고 공기에 대한 프로필렌의 분압비가 낮을수록 아크릴산의 수율이 높았다. Redox 조작이나 주기적 촉매재생과 같은 비정상상태 실험결과 반응이 진행됨에 따라 반응침적물의 양이 증가하며 촉매의 활성이 저하되었고 산소를 처리하면 촉매를 재생할 수 있음을 알 수 있었다.
The vapor-phase oxidation of propylene to acrylic acid using V2O5-P2O5 catalyst was studied at steady state and transient state operations. The yield of acrylic acid was increased with the increase of reaction temperature and with the decrease of the ratio of propylene to air partial pressure. The unsteady state experiments such as Redox operation and periodic reactivation of catalyst showed that the activity was decreased with the formatiion of deposits on the catalyst surface, and that it could be regenerated with the treatment of oxygen.
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