Activated carbon is the most widely used sorbent. Its manufacture and use dateback to the 19th century (Jankowska et al., 1991). Its usefulness derives mainlyfrom its large micropore and mesopore volumes and the resulting high surfacearea. The pore size distribution of a typical activated carbon is given in Figure 5.1,compared with several other sorbents. Comprehensive reviews on activated carbon are available elsewhere (Mattson and Mark, 1971; Cheremisinoff and Ellerbusch, 1980; Bansal et al., 1988; Jankowska et al., 1991; Rouquerol et al., 1999).
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