METHOD OF OPERATING A COMBUSION INSTALLATION AND USE OF SUCH A METHOD FOR INHIBITING VANADIUM CORROSION

摘要

Method of operating a thermal installation other than a gas turbine and use of such a method for inhibiting vanadic corrosion The invention relates to a method of operating a thermal installation comprising a combustion chamber fed with a fuel contaminated with vanadium, with sulphur and possibly with sodium. In particular, the combustion chamber is also fed with boron and with magnesium, in quantities such that the magnesium molar ratio m = MgO/V2O5and the boron molar ratio b = B2O3/V2O5 satisfy the conditions (i) m > 2+b; (ii) m < 3 + 2b; (iii) b > 0.5 and (iv) b < 2, so that the combustion products comprise magnesium vanadate, mixed magnesium boron oxide and possibly sodium borate.