What is chelating agent and what is its purpose on the catalyst?

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    • #1038
      Nasir Hussain
      Keymaster

      What does mean by chelating agent on hydrotreating catalysts and what is its purpose?

    • #1039
      Nasir Hussain
      Keymaster

      Chelating agents or chelanting agents for hydroteating catalysts are chemicals with which hydrotreating catalyst are impregnated and dried. Upon sulfiding of the catalyst this agent helps in dispersion of active catalyst metals and thus increases the activity of the catalyst. These are normally, used for Type-II fresh or regenerated hydroteating catalysts.
      Typical chelating agents used in the market are Oxalic acid, citric acid, tartaric acid, malonic acid, butanediol, glycol aldehyde etc.
      More about type-II catalysts can be found at “Hydrotreating Catalysts

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