• 1. the used catalyst: 废催化剂
• 2. the used vanadium catalyst: 废钒催化剂

• 1.A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.
  本文介绍采用络合酸浸法以废甲醇催化剂为原料制备五水硫酸铜和活性氧化锌的新工艺。
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• 2.A used acidic ionic liquid catalyst, which has been deactivated by conjunct polymers, is regenerated by combining the used catalyst, a metal and a Broensted acid to hydrogenate the conjunct polymer.
  通过混合用过的催化剂、金属和布朗斯台德酸以加氢混合聚合物 来对已经被所述混合聚合物失活的所述用过的酸性离子液体催化剂进 行再生。
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• 3.The team is also working to find a more commonplace, less-expensive material for the catalyst, to replace the relatively rare and costly iridium used in this proof-of-concept study.
  该小组还正在努力寻找一种更常见的，更便宜的催化剂，以代替在验证性概念研究中使用的相对昂贵和稀有铱催化材料。
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