Degradation of gaseous 1,2-dichloroethane using a hybrid cuprous oxide catalyst |
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| Institution: | 1. University of Belgrade – Faculty of Pharmacy, Department of Pharmacognosy, Vojvode Stepe 450, 11221 Belgrade, Serbia;2. University of Belgrade – Vinča Institute of Nuclear Sciences, P.O. Box 522, 11001 Belgrade, Serbia;3. University of Belgrade – Faculty of Agriculture, Nemanjina 6, 11080 Belgrade-Zemun, Serbia;4. University of Belgrade – Faculty of Pharmacy, Department of Analytical Chemistry, Vojvode Stepe 450, 11221 Belgrade, Serbia;1. Swissi Process Safety GmbH, WRO-1055.5.27, CH-4002 Basel, Switzerland;2. DEKRA EXAM GmbH, Dinnendahlstr. 9, D-44809 Bochum, Germany;3. BASF SE, GCP/RS - L511, D-67056 Ludwigshafen, Germany;4. Bayer Technology Services GmbH, BTS-OSS-PPS-SE, D-51368 Leverkusen, Germany;1. Cytotechnology Education, College of Allied Health Professions, University of Nebraska Medical Center, Omaha, NE, USA;2. Department of Cytology, Northwell Health, NY, USA;3. Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE, USA;4. Department of Pathology and Microbiology, College of Medicine, University of Nebraska Medical Center, Omaha, NE, USA |
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| Abstract: | A hybrid catalyst (CZ50) of cuprous oxide and zeolite was prepared and used in a catalytic system in which gaseous 1,2-dichloroethane (1,2-DCE) was degraded. The effects of relative humidity (15 and 65%) and wavelength of irradiation (ultraviolet, blue, green and red light) on the degradation of 1,2-DCE were studied. The experimental results reveal that the hybrid catalyst degraded the hazardous material under visible light. A comparison of the results obtained under ultraviolet and red irradiation at a relative humidity of 15% revealed almost equal degradation efficiencies of 83.8 and 82.2%, respectively. In the system with hybrid catalysts, a lower relative humidity favored 1,2-DCE degradation, indicating that relative humidity critically affects the degradation of hazardous materials. The most important result was that the intermediates of the degradation of 1,2-DCE included ethane, carbon dioxide, and formic acid yielded, which are mostly harmless and non-toxic materials. The experimental results indicated that the method could effectively be used to degrade hazardous materials to provide a healthy and safe environment for workers. |
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| Keywords: | Cuprous oxide Degradation Visible light Hybrid catalyst 1 2-Dichloroethane |
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