Abstract
Polycyclic aromatic hydrocarbons (PAHs) are known to be mutagenic and carcinogenic group of substances. One of the most important anthropogenic source of these hydrocarbons is motorization (especially diesel engines). The most effective method of PAHs removal from exhaust gasses is using catalytic converters in vehicle exhaust systems. This paper presents results of measurements of polycyclic aromatic hydrocarbons emissions from self-ignition engine with platinum-rhodium active coating application inside.
Highlights
Toxic substances emission from combustion engines is a significant global problem
A VW 1.9 TDI self-ignition engine was used as a research engine with engine modification consisted in application of platinum-rhodium catalyst on engine glow plugs
Because of unstable parameters of engine work PAHs samples was uptaken by tubes with active coal, type SKC-lot 120, and by Staplex TF AGF 810 filters (PAHs adsorbed on particle matter)
Summary
Some polycyclic and volatile organic combinations very often determinate hazardous effect of engine exhaust gases on humans because of their mutagenic and carcinogenic properties. Their concentration in combustion engine exhaust is not directly limited. Human organism cells are tiring to remove polycyclic aromatic hydrocarbons by connecting them with hydroxyl group. Some products of this process can be combine with nucleolus DNA, which causes damages of genetic material and various mutations. Emisja substancji toksycznych z silników spalinowych jest ważnym problemem globalnym. Ograniczenie toksycznych emisji z silników ZS oprócz doskonalenia pozasilnikowych metod oczyszczania spalin wymaga również bezpośredniej ingerencji w proces spalania.
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