The removal of NO2 gas by some natural adsorbents by using the adsorption method
Subject Areas :
Air Pollution
Hossein Dashti Khavidaki
1
,
Raziyeh Jafari
2
,
Mousa Soleymani
3
1 - Assistant Professor, Department of Chemistry, Faculty of Basic Science, Ayatollah Boroujerdi University, Boroujerd, Iran. * (Corresponding Author)
2 - MSc, Department of Chemistry, Faculty of Basic Science, Ayatollah Boroujerdi University, Boroujerd, Iran.
3 - Assistant Professor, Department of Chemistry, Faculty of Basic Science, Ayatollah Boroujerdi University, Boroujerd, Iran.
Received: 2019-05-13
Accepted : 2019-10-02
Published : 2022-07-23
Keywords:
Adsorption,
NO2 gas,
Environmental Pollutants,
Natural adsorbents,
Adsorption isotherms,
Abstract :
Background and Objective: Nitrogen dioxide (NO2) is one of the most dangerous pollutants in the environment. NO2 certainly causes lung damage at high concentrations. Exposure to its moderate levels (50 ppm) for a short period may produce irritation of the eyes, nose, and throat, cough, hemoptysis, dyspnea, and chest pain and contact to its high concentrations (> 100 ppm) can result in pulmonary edema, which can be fatal. Therefore, it is very important for environment the removing of the pollutant from air. The aim of this study has been the removal of NO2 gas by some natural adsorbents by using the adsorption method.
Material and Methodology: In this work, it has been investigated the removal of NO2 gas by adsorption on different natural adsorbents including eggshell, eucalyptus bark, fennel seed, pine leaf, tea waste, and wheat straw. It was also studied the effect of some experimental conditions including adsorbent column length and initial NO2 amount on the adsorption percentage.
Findings: The most desirable adsorption percentage obtained with adsorbent column length 50 cm and initial NO2 amount 6.3 mmol. In addition, Fennel seed and eggshell can adsorb 96.8 and 92.1% of NO2 gas in the optimum conditions, respectively.
Discussion and Conclusion: Among the used adsorbents, the most appropriate adsorbents are fennel seed and eggshell for the adsorption process. In addition, it was correlated the equilibrium data with the adsorption isotherms such as the Langmuir, Freundlich, Temkin, and Harkin-Jura and the results showed that Harkin-Jura isotherm describes the experimental results better than the other isotherms.
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Douglas, W. W., Hepper, N. G., Colby, T. V., 1989. Silo-filler's disease. Mayo Clinic Proceedings, Vol. 64, pp. 291-304.
Chang, L., Mercer, R. R., Stockstill, B. L., 1988. Effects of low levels of NO2 on terminal bronchial cells and its relative toxicity compared to oxygen. Toxicology and Applied Pharmacology, Vol. 90, pp. 451-64.
Freeman, G., Crane, S. C., Furiosi, N. J., 1972. Covert reduction in ventilatory surface in rat during prolonged exposure to subacute nitrogen dioxide. The American Review of Respiratory Disease, Vol. 106, pp. 563-79.
Rosenstock, L., 1987. Occupational medicine: state of the art reviews. Hanley & Belfus, Philadelphia, pp. 303-305.
Fernandez-Caldas, E., Fox, R. W., 1992. Environmental control of air pollution. Medical Clinics of North America, Vol. 76, pp. 935-952.
Li, W., Wu, C., Fang, H. L., Shi, Y., Lei, L. C., 2006. Study on NO2 absorption by ascorbic acid and various chemicals. Journal of Zhejiang University Science B, Vol. 7, pp. 38-42.
S Environmental Protection Agency, 1991. Alternative Control Technques Document-Nitric and Adipic Acid, EPA Publication, No. 450/3-91-026.
Dabrowski, A., 2000. Adsorption-from theory to practice. Advances in Colloid and Interface Science, Vol. 93, pp. 135-224.
Gray, P. G., 1993. A Fundamental Study on the Removal of Air Pollutants (Sulfur Dioxide, Nitrogen Dioxide and Carbon Dioxide by Adsorption on Activated Carbon. Gas Separation and Purification, Vol. 7, pp. 213-224.
Pietrzak, R., 2009. Active Carbons Obtained from Bituminous Coal for NO2 Removal under dry and wet conditions at room temperature. Energy Fuels, Vol. 23, pp. 3617-3624.
Nowicki, P., Pietrzak, R., 2010. Carbonaceous adsorbents prepared by physical activation of pine sawdust and their application for removal of NO2 in dry and wet conditions. Bioresource Technology, Vol. 101, pp. 5802-5807.
Belala, Z., Belhachemi, M., Jeguirim, M., 2014. Activated carbon prepared from date pits for the retention of NO2 at low temperature. International Journal of Chemical Reactor and Engineering, Vol. 12, pp. 717-726.
Belhachemi, M., Jeguirim, M., Limousy, L., Addoun, F., 2014. Comparison of NO2 removal using date pits activated carbon and modified commercialized activated carbon via different preparation methods: effect of porosity and surface chemistry. Chemical Engineering Journal, Vol. 253, pp. 121-129.
Hofman, M., Pietrzak, R., 2011. Adsorbents obtained from waste tires for NO2 removal under dry conditions at room temperature. Chemical Engineering Journal, Vol. 170, pp. 202-208.
Mortazavi, S. B., Yarahmadi, R., Omidkhah, M. R., Asilyan, H., Moridi, M., 2008. Treatment of Nitrogen Oxides in Air Using Modified ZSM-5 Zeolite. Journal of environmental science and technology, Vol. 11, pp. 61-75 (In Persian)
Olsson, L., Sjövall, H., Blint, R. J., 2009. Detailed Kinetic Modeling of NOx Adsorption and NO Oxidation over Cu-ZSM-5. Applied Catalysis B: Environmental, Vol. 87, pp. 200– 210.
Apostolescu, N., Schröder, T., Kureti, S., 2004. Study on the Mechanism of the Reaction of NO2 with Aluminium Oxide. Applied Catalysis B: Environmental, Vol. 51, pp. 43–50.
Sivachandiran, L., Thevenet, F., Gravejat, P., Rousseau, A., 2013. Investigation of NO and NO2 Adsorption Mechanisms on TiO2 at Room Temperature. Applied Catalysis B: Environmental, Vol. 142, pp. 196–204.
Nowicki, P., Skibiszewska, P., Pietrzak, R., 2013. NO2 removal on adsorbents prepared from coffee industry waste materials, Adsorption, Vol. 19, pp. 521–528.
Arthisree, S. R., Sirisha, D., Gandhi, N., 2013. Adsorption of Aqueous solution of NO2 by
Neem Bark Dust. International Journal of ChemTech Research, Vol. 5, pp. 450-455.
Sirisha, D., Saritha, P., Gandhi, N., Asthana, S., 2016. Controlling of NO2 by Adsorption Technique using Natural Adsorbent. Research Journal of Chemical and Environmental Sciences, Vol. 4, pp. 74-81.
Barbooti, M. M., Ibraheem, N. K., Ankosh, A. H., 2011. Removal of nitrogen dioxide and sulfur dioxide from air streams by absorption in urea solution. Journal of environmental protection, Vol. 2, pp. 175-185.
Streuli, G. A., Averell, P. R., 1970. The Analytical Chemistry of Nitrogen and its Compounds, Part I. John Wiley and Sons Inc., New York.com/en/iran/yazd-climate#daylight_sunshine (accessed Jul. 12, 2020).
