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SORPTION CAPACITY OF IMPROVISED SORBENTS

Jana Mullerova, Michal Orincak

Abstract

Leaking oil, diesel, gasoline and other dangerous substances transported in large amount mostly on roads and railways affect the soil, rivers and underground fresh water. The fast reaction is necessary in order to stop leaking and to protect the surrounding environment. There are usually no special sorbents at the place of accident, therefore improvised sorbent should be used. Some of natural sorbents are surprisingly effective. Improvised sorbents were experimentally deeply tested in order to find out their chemical and physical properties connected to absorbance ability. Improvised sorption materials such a peat, wood chips, cement mixtures, road gritting materials, lime and limestone rubble were used tested. The sorption capacity of improvised sorbents was tested in contact with chemical hazardous substances that can escape during the transport of dangerous goods by road, such as diesel, gasoline, alkali (sodium hydroxide), ammonia, acids (sulfuric acid, bromic acid). The experimental measurements focused on the measurement on temperature changes, pH of the sorbates, hydrophobicity or hydrophilicity of the sorbent, as well as the sorption process of chemical hazardous substances treated by one of the improvised sorbent in a time.

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DOI resolver: doi.org/10.5593/sgem2017/52/s20.107

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