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Filtration of chlorine and hydrogen chloride gas by engineered UiO-66-NH2 metal-organic framework.

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      Abstract

      Chlorine (Cl2) and hydrogen chloride (HCl) are heavily utilized industrial chemicals that present significant respiratory health risks. The metal-organic framework UiO-66-NH2 has shown an unprecedented ability in powder form to remove chlorine gas. Here, we engineered UiO-66-NH2 into 20×40 mesh granules and evaluated their ability to remove chlorine and hydrogen chloride gas challenges. The exposed materials were characterized with nitrogen isotherms, powder X-ray diffraction, and attenuated total reflectance - Fourier transform infrared spectroscopy. Breakthrough results revealed that UiO-66-NH2 sorption of chlorine and hydrogen chloride met or exceeded sorption of state-of-the-art metal-impregnated activated carbon materials on a mass and volume basis in engineered form.

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      Affiliations
      [1 ] Edgewood Chemical and Biological Center, 5183 Blackhawk Road, Aberdeen Proving Ground, 21010 Aberdeen, MD, USA.
      [2 ] Leidos, Inc., P.O. Box 68, 21010 Gunpowder, MD, USA.
      [3 ] Edgewood Chemical and Biological Center, 5183 Blackhawk Road, Aberdeen Proving Ground, 21010 Aberdeen, MD, USA. Electronic address: matthew.a.browe.civ@mail.mil.
      Journal
      J. Hazard. Mater.
      Journal of hazardous materials
      Elsevier BV
      1873-3336
      0304-3894
      Jun 15 2017
      : 332
      28288317
      S0304-3894(17)30114-0
      10.1016/j.jhazmat.2017.02.026

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