Abstract
Abstract Polycyclic aromatic hydrocarbons (PAH) are formed during pyrolysis or incomplete combustion of organic materials. As a result of an increasing public concern about the contamination of the environment, polycyclic aromatic hydrocarbons are extensively studied compounds. Because PAH are present in effluents from coal firing and advanced coal conversion processes, methods are studied in our laboratory to quantify PAH-emissions. It is known that during sample collection, sample storage, sample clean-up, trace enrichment and detection irreproducible losses, caused by the chemical reactivity and irreversible adsorption of PAH complicate a quantitative analysis. In model experiments to study the adsorption of PAH from aqueous solution onto a variety of substrates, the results with pyrene onto silica and coal ash are described. HPLC was used as detection method.
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