摘要
尖晶石铁氧体催化剂的动力学活性由双氧水分解反应评估,作者发现在磁场中合成的亚铁磁性Fe_xO(x=0.75-0.9)以及在磁场中催化反应,能显著提高反应速率;并在x=0.8-0.9有最佳效果,由此提出一条催化化学反应的磁性判据和研制催化剂及提高催化速率的途径.
The catalytic activity of the spinel Fe_xO catalysts was evaluated by decomposition of H_2O_2. It was discovered that the ferrimagnetic Fe_xO (x=0.7-0.9) catalytic synthesed in magnetic field and the catalytic reaction in magnetic field could increase reaction rate and proved that this reaction is first order. When x=0.8-0.9 reaction Rate Constant has maximum. This paper present a magnetic criterion for catalytic reaction and indicates a direction for increasing catalytic reaction rate.
