Abstract
High-temperature corrosion in the superheater of a large-scale waste-to-energy plant was investigated. A comparison of nickel-/iron-based alloys and austenitic stainless steel probes placed in the furnace demonstrated that temperature and particle deposition greatly influence corrosion. Nickel-based alloys performed better than the other metal alloys, though an aluminide coating further increased their corrosion resistance. Sacrificial baffles provided additional room for deposit accumulation, resulting in vigorous deposit-induced corrosion. Computational modelling (FLUENT code) was used to simulate flow characteristics and heat transfer. This study has shown that the use of aluminide coatings is a promising technique for minimising superheater corrosion in such facilities.
| Original language | English |
|---|---|
| Pages (from-to) | 3861-3874 |
| Number of pages | 14 |
| Journal | Corrosion Science |
| Volume | 52 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2010 |
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This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 11 Sustainable Cities and Communities
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SDG 12 Responsible Consumption and Production
Keywords
- A. Alloys
- A. Metal coatings
- B. Modelling studies
- B. SEM
- B. XRD
- C. High-temperature corrosion
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