Sentence examples for spent catalyst from inspiring English sources

(a) Untreated spent catalyst, (b) washing of spent catalyst with organic solvent, and (c) re-calcination of spent catalyst.

Furthermore, three different procedures for spent catalyst treatment were employed.

The treatment of spent catalyst with methanol gave better yields of biodiesel than non-treated spent catalyst.

The spent catalyst upon re-oxidation regained its activity.

To explain these observations, the spent catalyst was characterised after reaction and compared to the pre-reaction and the spent catalyst obtained post 5 h.

The mix design work done on asphalt mixtures containing spent catalyst from both source shows that there is a good potential for using spent catalyst in road applications.

A temperature program oxidation (TPO) was carried out on the spent catalyst after each reaction.

Open image in new window Fig. 8 The stability and reusability of spent catalyst.

The reusability results of the spent catalyst are depicted in Fig. 8.

Figure 11 presents the GC/MS result of the organic compounds trapped in the spent catalyst.

However, the traditional landfill of spent catalyst causes resource waste and soil pollution.