Corrosion-resistant solar-powered containers for steel plants

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Which Alloy owes the best corrosion resistance in solar salt?

Dorcheh et al. studied the corrosion behavior of ferritic steel, austenitic steel and Inconel625 alloy in solar salt at 600 °C, drawing a conclusion that Inconel625 alloy owed the best corrosion resistance.

Why is molten salt protective film important for concentrating solar power plants?

Protective film formed by CaCr 2 O 4 deposition slows down the corrosion process. The molten salt thermal energy storage system is the most important composition of concentrating solar power plants, resulting in the corrosion behavior of alloys in molten salts is essential to be analyzed to ensure the long-term stability of the system.

Does Mo improve corrosion resistance in solar salt?

Considering the effect of Mo, which is known to improve resistance to localized corrosion in aqueous media, its benefit on corrosion rate in Solar Salt could not be established, considering that corrosion resistance of AISI 316/316L, 317L and OC-4 does not differ significantly from that of Mo-free alloys.

Can solar salt be used in CSP plants?

The last material evaluated for use in Solar Salt is the low-Cr grade, T22, tested for 2000 h at either 390 or 550 °C . The results at 390 °C show small amounts of corrosion products at the end of the test, which allows the use of this type of steel in CSP plants at this temperature.

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Corrosion-resistant solar-powered containers for steel plants

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