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金属镍作为催化剂在好些化学反应特别是有机化学反应中具有催化作用,因此如何制备具有高催化活性的新型镍催化剂,是广大科技工作者在科学实验和工业生产中都在不断探讨的重要课题。作者通过使用多种方法对镍催化剂进行制备,并用制备出的镍催化剂在苯加氢制环已烷的化学反应上对其催化活性进行评价,找出了制备具有较好催化活性的Ni/Al_2O_3催化剂的方法。由于通常要求镍催化剂具有良好的催化活性,又要均匀地分布在载体Al_2O_3上,才能在实际生产中应用,笔者制备的Ni/Al_2O_3催化剂的方法简便易行,较好地达到了上述目的,同时本方法对类似的催化剂制备,亦具有一定的指导意义和实用价值。
Therefore, how to prepare a new type of nickel catalyst with high catalytic activity is an important issue that many scientists and technicians are constantly exploring in scientific experiments and industrial production. The preparation of nickel catalyst by a variety of methods and the catalytic activity of the prepared nickel catalyst on the chemical reaction of benzene hydrogenation to cyclohexane were evaluated to find out the preparation of Ni / Al_2O_3 with good catalytic activity Catalyst method. Since nickel catalysts are generally required to have good catalytic activity and to be uniformly distributed on the carrier Al 2 O 3 to be practically used in production, the method of preparing the Ni / Al 2 O 3 catalyst by the present invention is simple and easy and achieves the above object well, meanwhile, This method for a similar catalyst preparation, also has some guiding significance and practical value.