| 摘要 |
PURPOSE:To obtain an easily separable catalyst with ferro-magnetism for reducing high press. hydrogen without discharging heavy metals in its production process by dissolving cupric, ferrous and aluminum salts in water and adding an alkali to the soln. at a temp. above 60 deg.C after which the resulting precipitate is separated, washed with water, dried, calcined, and pulverized. |
