...学报（自然科学版、英文版） 关键字: 废FCC催化剂；P507萃取剂；萃取；盐酸介质；稀土[gap=1540]Key words: spent FCC catalyst; P507 extractant; extraction; hydrochloric acid system; rare earth..
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The spent FCC catalyst was reactivated via organic complex method in an unbuffered system.
在非缓冲体系中用有机配位反应法对FCC废催化剂进行复活。
FCC is one of the most important processes in the refinery. The spent catalyst from FCC units is buried in most refineries. The method may pollute environment and waste of the catalyst.
催化裂化是炼油厂中一个重要的加工工艺，所排出的废催化剂目前国内多数采用填埋法处理，不仅容易污染环境，而且浪费资源。
A new gas activation method was proposed to remove nickel from spent fluid catalytic cracking (FCC) catalyst effectively.
提出了一种新的废流化催化裂化催化剂气相活化脱镍技术。
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