Title: | Synthesis of BiOI@NH(2)-MIL125(Ti)/Zeolite as a novel MOF and advanced hybrid oxidation process application in benzene removal from polluted air stream |
Author(s): | Mehralipour J; Jafari AJ; Gholami M; Esrafili A; Kermani M; |
Address: | "Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran. GRID: grid.411746.1. ISNI: 0000 0004 4911 7066 Air Pollution Research Center, Iran University of Medical Sciences, Tehran, Iran. GRID: grid.411746.1. ISNI: 0000 0004 4911 7066 Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran. GRID: grid.411746.1. ISNI: 0000 0004 4911 7066" |
DOI: | 10.1007/s40201-022-00837-8 |
ISSN/ISBN: | 2052-336X (Print) 2052-336X (Electronic) |
Abstract: | "One of the popular process in volatile organic compounds removal in gas phase is advanced oxidation process. We in this research, synthesized BiOI@NH(2)-MIL125(Ti)/Zeolite nanocomposite as a novel nanocomposite to degradation of benzene in hybrid advanced oxidation process. The nanocomposite synthesized via solvothermal method. The effect of airflow, ozone gas concentration, hydrogen peroxide concentration, relative humidity and initial benzene concentration are the main parameters in the UV/O(3)/H(2)O(2)/ nanocomposite hybrid process that were studied. The characterization by XRD, FT-IR, FESEM, EDS element mapping, TEM, BET, and UV-vis spectra indicated that nanocomposite were well synthesized. Optimal operating conditions of the process were determined at air flow of 0.1 l/min, ozone concentration of 0.3 mg/min, hydrogen peroxide concentration of 150 ppm, relative humidity of 45 +/- 3% and benzene concentration of 50 ppmv. Under these conditions, more than 99% of benzene was degraded. The synergistic effect coefficient of the mechanisms is 1.53. The nanocomposite had good stability in the hybrid process and remained above 99% efficiency up to 5 times. The ozone concentration residual the system was reported to be negligible (0.013 mg/min). The CO and CO(2) emissions in the hybrid process was higher than other processes, which indicates better mineralization in the hybrid process. Formaldehyde, octane, noonan, phenol, decanoic acid were reported as the main by-products. The results indicated that UV/O(3)/H(2)O(2)/ nanocomposite hybrid process has fantastic efficiency in the degradation of benzene as one of the indicators of VOCs" |
Keywords: | Benzene BiOI@NH2-MIL125(Ti)/Zeolite nanocomposite Polluted air UV/O3/H2O2/ nanocomposite hybrid process Volatile organic compounds; |
Notes: | "PubMed-not-MEDLINEMehralipour, Jamal Jafari, Ahmad Jonidi Gholami, Mitra Esrafili, Ali Kermani, Majid eng England 2022/11/22 J Environ Health Sci Eng. 2022 Oct 29; 20(2):937-952. doi: 10.1007/s40201-022-00837-8. eCollection 2022 Dec" |