“…The first step in the oxidation of a metal by water is the hydration of its oxide layer to form a hydroxide. 23 A prerequisite for the formation of a hydroxide is the breaking of M–O bonds to form M–OH bonds, a process of oxide dissolution. Thus, it is possible that the readiness and degree to which a metal may be oxidized by water is fundamentally a function of the degree to which its oxide is soluble in water.…”
Several metals are reacted with supercritical water to produce hydrogen. Aluminum, aluminum alloys, and magnesium are found to be the most reactive. The solubility of the metal's oxide appears to be linked to the reactivity of the metal.
“…The first step in the oxidation of a metal by water is the hydration of its oxide layer to form a hydroxide. 23 A prerequisite for the formation of a hydroxide is the breaking of M–O bonds to form M–OH bonds, a process of oxide dissolution. Thus, it is possible that the readiness and degree to which a metal may be oxidized by water is fundamentally a function of the degree to which its oxide is soluble in water.…”
Several metals are reacted with supercritical water to produce hydrogen. Aluminum, aluminum alloys, and magnesium are found to be the most reactive. The solubility of the metal's oxide appears to be linked to the reactivity of the metal.
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