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Mo-V-Cu 다성분 혼합산화물 촉매상에서의 아크로레인 산화반응
Oxidation of Acrolein on Mo-V-Cu Multicomponent Mixed Oxide Catalysts
HWAHAK KONGHAK, August 1992, 30(4), 457-466(10), NONE
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Abstract
본 연구는 Mo-V-Cu 다성분 혼합산화물 촉매상에서 아크로레인의 기상산화에 의한 아크리산의 합성에 관한 것이다. 촉매 활성성분의 조성과 조촉매가 아크로레인의 잔화율과 아크릴산의 수율에 미치는 영향과 기계적 촉매 혼합물의 synergy 효과에 대하여 고찰하였다. 아크리산 형성의 주요 활성성분은 MoV2O8과 Mo6V9O40의 조성을 갖는 vanadium molybdate였고, 구리는 전화율과 아크릴산의 수율을 증가시켰지만 촉매표면에 과량 존재하는 경우에는 아크릴산의 수율이 감소하였다.
The vapor phase synthesis of acrylic acid from oxidation of acrolein was studied using Mo-V-Cu multicomponent mixed oxide catalysts. The effects of promoter, composition of active species and synergis-tic effect of mechanical mixture catalysts were investigated. The active phase for the formation of acrylic acid was vanadium molybdate with the composition of MoV2O8 and /or Mo6V9O40. Copper promoter increased conversion and yield of acrylic acid, but excess amount of copper on the surface decreased the yield of acrylic acid.
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Tascon JMD, Grange P, Delmon B, J. Catal., 97, 287 (1986)
