**2. Methodology**

The approach employed for retrieving the literature used in this chapter is summarized in **Figure 1**. Briefly, the literature was obtained from published articles found on academic databases which are Clarivate's Web of Science®, ScienceDirect®, Researchgate®, Google Scholar®, and Scopus®. A Boolean search method employing the 'AND'/'OR' were utilized in searching for literature upon entering the

**Figure 1.** *Flow diagram for content retrieval.*

keywords. For example, the keywords used are MSW, incineration, high-temperature corrosion, ash deposition, combustion efficiency and kinetic modeling. A thorough cross search from the reference listed in the relevant articles were conducted for their significance to the current chapter.
