Nickel bismuth magnesian is recycled by multiprecipitate after molybdenum is deposited from molybdenum-leaching solution and industrial production is realized.

• 采用酸浸法浸出废催化剂中的钼、镍、铋、镁,将浸出液沉钼酸后,对钼酸母液中的镍、铋、镁经过多级沉淀处理后加以综合回收。