Article ID Journal Published Year Pages File Type
583704 Journal of Hazardous Materials 2008 4 Pages PDF
Abstract
A method of decomposing hexachlorobenzene (HCB) by γ-alumina was investigated at low temperature of 300 °C. It was found that HCB was rather quickly decomposed under such a condition. Decomposition efficiency (DE) increases with increasing the surface area of γ-alumina. Pretreated γ-alumina has a better performance for the decomposition reaction. A high decomposition efficiency within the short reactive time of 60 min was achieved to be 94.2%, which was obtained by preheating γ-alumina with the surface area of 220 m2 g−1 at 450 °C for 2 h. High surface area and appropriate pretreatment temperature probably provide more reactive sites such as the isolated OH groups and Al3+ sites surrounded by O2− sites. These sites may induce the decomposition of HCB via a main ring-cracking process. The present study, hopefully, holds the promise for the eliminating of HCB contained hazardous materials in industrial application.
Related Topics
Physical Sciences and Engineering Chemical Engineering Chemical Health and Safety
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