Liquid products PONA distributions

The paraffins, olefins, naphthenes and aromatics (PONA) distribution of liquid product with time on stream for thermal and catalytic degradation of waste HDPE at 430°C is shown in Figure 5.11. In the case of thermal degradation, paraffin and olefin components are the main products and aromatic componnds hardly appear, without change by increase... 

Figure 5.12 PONA distributions of liquid products for thermal (a) and catalytic (b) degradation of waste HDPE at 430°C...

Seo et al. [24] have described the catalytic degradation of polyethylene using various acidic catalysts at 450°C. The yields of gas, liquid and residue are illustrated in Table 5.3 and the PONA distribution in liquid products is shown in Table 5.4. Catalytic degradation... 

Figure 5.15 PONA and carbon number distributions of liquid products as a function of PS content for catalytic degradation of waste HDPE and PS mixture using spent FCC catalyst at 400°C. (Reproduced with permission from Elsevier)...

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