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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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          Author and article information

          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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