Abstract
As iron oxide high-temperature desulfurization sorbents, eight kinds of iron ores and sorbents prepared from iron ore powder and blast furnace dust using binder were examined. SiO 2 , TiO 2 , and Al 2 O 3 were used as binders. The potential of these sorbents to remove H 2 S was tested before and after activation with H 2 , and also their mechanical strength (compressive strength) was measured. Reactivity of iron ore was not correlated to its compressive strength, but the compressive strength of the iron ore was roughly correlated to its bulk density. SiO 2 was useful as a binder. Na present as an impurity in SiO 2 binder induced localization of SiO 2 in the pellet at the high temperature calcination step
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