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What is the correct relation between the air/fuel ratio and low-temperature corrosion?

29 Sep '18, 06:26

Sept. 29, 2018, 6:26 a.m.
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Answer:

Low-temperature corrosion can occur in both oil fired and exhaust/waste heat recovery boilers. Considering a fuel with same sulfur content, the air/fuel number (lamda), in a combustion process also indicates a relation to what temperature sulphuric acid condensates. High air/fuel ratio rises the condensation temperature and thereby reducing the safe limits between normal operation and condensation temperature.

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29 Sep '18, 06:28

Sept. 29, 2018, 6:28 a.m.
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