Natalia CZUMA, Wojciech FRANUS, Paweł BARAN, Agnieszka ĆWIK, Katarzyna ZARĘBSKA

SO2 sorption properties of fly ash zeolites

In the presented study, the sulfur dioxide sorption properties of fly ash zeolite X were investigated. Sorption tests were performed on fly ash zeolite samples that were not prepared specially for sorption, in addition to dried samples and samples in the presence of water vapor. The samples saturated with water vapor showed the highest sorption capacity. The sorption capacity of the samples additionally dried prior to the sorption experiment was higher than that of the samples that were not specially prepared for the sorption test. Regeneration tests indicated relatively good regeneration properties. The obtained results were described with the use of Langmuir, Sips, and Dubinin?Astakhov models, with the Dubinin?Astakhov model providing the best fit.

Keywords:

SO2 sorption, fly ash, zeolite, water vapor,

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1. Szponder DK, Trybalski K. Określanie właściwości popiołów lotnych przy użyciu różnych metod i urządzeń badawczych. Górnictwo i Geoinżynieria 2009; 4 (33): 287-298 (in Polish).
2. Majchrzak-Kucęba I. Mikroporowate i mezoporowate materiały z popiołów lotnych. Częstochowa, Poland: Wydawnictwo Politechniki Śląskiej, 2011 (in Polish).
3. Wdowin M, Franus M, Panek R, Badura L, Franus W. The conversion technology of fly ash into zeolites. Clean Technologies and Environmental Policy 2014; 16: 1217-1223.
4. Suchecki TT. Zeolity z popiołów lotnych. Wrocław, Poland: Ossolineum, 2005 (in Polish).
5. Franus W, Wdowin M, Franus M. Synthesis and characterization of zeolites prepared from industrial fly ash. Environmental Monitoring and Assessment 2014; 186: 5721-5729.
6. Franus W. Characterization of X-type zeolite prepared from coal fly ash. Polish Journal of Environmental Studies 2012; 21 (2): 337-343.
7. Di Renzo F, Fajula F. Introduction to molecular sieves: trends of evolution of the zeolite community. In: Cejk J, Bekkum H (editors). Zeolites and Ordered Mesoporous Materials: Progress and Prospects. Studies in Surface and Catalysis, Vol. 157. Amsterdam, the Netherlands: Elsevier, 2005.
8. Bandura L, Kołodyńska D, Franus W. Adsorption of BTX from aqueous solutions by Na-P1 zeolite obtained from fly ash. Process Safety and Environmental Protection 2017; 109: 214-223.
9. Bandura L, Woszuk A, Kołodyńska D, Franus W. Application of mineral sorbents for removal of petroleum substances: a review. Minerals 2017; 7 (37): 1-25.
10. Bandura L, Franus M, Panek R, Woszuk A, Franus W. Characterization of zeolites and their use as adsorbents of petroleum substances. PrzemysłChemiczny 2015: 94 (3): 323-327.
11. Franus M, Wdowin M, Bandura L, Franus W. Removal of environmental pollutions using zeolites from fly ash: a review. Fresenius Environmental Bulletin 2015; 24 (3): 854-866.
12. Srinivasan A, Grutzeck MW. The adsorption of SO2 by zeolites synthesized from fly ash. Environmental Science & Technology 1999; 33: 1464-1469.
13. Bopaiah S, Grutzeck MW. Adsorption of SO2 and NOx by zeolites synthesized from fly ash, cement kiln dust and recycled bottle glass Preprints of Papers, American Chemical Society Division of Fuel Chemistry 2000; 45: 522-526.
14. Suchecki TT, Wałek T, Bansik M. Fly ash zeolites as sulfur dioxide adsorbents. Polish Journal of Environmental Studies 2004; 13 (6): 723-727.
15. Szymanek A. Sorbenty z popiołów Cz. I. Suche odsiarczanie spalin. Ochrona powietrza i problemy odpadów 2008; 1: 10-16 (in Polish).
16. Längauer D, Čablík V. Preparation of synthetic zeolites from fly ash. Inżynieria Mineralna - Journal of the Polish Mineral Engineering Society 2018; 1 (41): 7-12.
17. Czuma N, Zarębska K, Baran P, Franus W. Analysis of the influence of fusion synthesis parameters on the SO2 sorption properties of zeolites produced out of fly ash. E3S Web of Conferences 2016; 10; 00009.
18. Qing-Feng X, Sheng-Gao L. Microstructure of ferrospheres in fly ashes: SEM, EDX and ESEM analysis. Journal of Zhejiang University Science A 2008; 9 (11): 1595-1600.
19. Godelitsas A, Armbruster T. HEU-type zeolites modified by transition elements and lead. Microporous and Mesoporous Materials 2003; 61 (1-3): 3-24.
20. Julbe A, Drobek M. Zeolite X: Type. In: Drioli E, Giorno L (editors). Encyclopedia of Membranes. Berlin, Germany: Springer, 2014, pp. 2059-2060.
21. Saeidi N, Parvini M. Accuracy of Dubinin-Astakhov and Dubinin-Radushkevich adsorption isotherm models in evaluating micropore volume of bentonite. Periodica Polytechnica Chemical Engineering 2016; 60 (eq2): 123-129.
22. Aardahl CL, Davis EJ. Gas/aerosol chemical reactions in the NaOH-SO2 -H2 O system. Applied Spectroscopy 1996; 50 (eq1): 71-77.
23. Breck DW. Zeolite Molecular Sieves: Structure, Chemistry, and Use. New York, NY, USA: Wiley, 1973.