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Reduction of polycyclic aromatic hydrocarbons and nitrogen monooxide in combustion engine exhaust gases by clinoptilolite

Author

Listed:
  • Mačala Jozef

    (Department of Environmental Secutity, University of Security Management in Košice, Slovak Republic)

  • Pandová Iveta

    (Department of Manufacturing management, Faculty of Manufacturing Technologies of Košice with the seat in Prešov, Slovak Republic)

  • Gondová Taťána

    (Department of Analytical Chemistry, Faculty of Sciences, P.J. Šafárik University of Košice, Slovak Republic)

  • Dubayová Katarína

    (Department of Medically Chemistry, Biochemistry and Clinical Biochemistry of Faculty of Medical Science UPJŠ, Košice, Slovak Republik)

Abstract

The subject of this work was the investigation of zeolite as a sorbent of toxic gases. In Nizny Hrabovec in the Slovak republic, two layers of zeolite with the active component clinoptilolite can be found. The study presented here investigated the ability of this natural zeolite to reduce polycyclic aromatic hydrocarbons (PAH) and NO emissions from engine exhaust. Exhaust gases from combustion engines include toxic components such as carbon monoxide, nitrogen oxides and hydrocarbons. Polycyclic aromatic hydrocarbons (PAH) are a component of hydrocarbons causing harmful influence on life forms. The experiments focused on the potential reduction of these toxic gases based on the sorption and catalytic properties of natural zeolite. Also observed was the influence of chemical adjustment including incorporation of certain metal elements. Chemical analysis by mutually independent technologies served to observe the sorption of PAH with carcinogenic properties on the natural zeolite tested. The experiments showed that chemical modification improved the sorption and catalytic properties of natural zeolite. The PAH were analysed in an extract of the contaminated, thermally-activated natural zeolite and modified zeolite after washing with ammonium chloride, cobalt chloride and copper sulphate. The study also presents results of NO measurements obtained by testing the filter-sorptive automobile system.

Suggested Citation

  • Mačala Jozef & Pandová Iveta & Gondová Taťána & Dubayová Katarína, 2012. "Reduction of polycyclic aromatic hydrocarbons and nitrogen monooxide in combustion engine exhaust gases by clinoptilolite," Gospodarka Surowcami Mineralnymi / Mineral Resources Management, Sciendo, vol. 28(2), pages 113-123, January.
    • Handle: RePEc:vrs:gosmin:v:28:y:2012:i:2:p:113-123:n:5
    DOI: 10.2478/v10269-012-0015-1
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