Effect of additive on sulfur-fixation process of sulfur-fixation agent

Abstract

The crystallization behavior of desulfurization product is directly related to its high-temperature-resistant ability. Effects of the additive on the sulfur-fixation efficiency of the Ba-sulfur-fixation agent and also on the crystallization behavior of the sulfur-fixation product were studied when CaCO₃ and BaCO₃ were used as the desulfurization agent and MgO and SrCO₃ used as the assistant sulfur-fixation agent. The result shows that increase of sulfur-fixation capability for the additive is not owe to their directly react to form sulfate or interact with CaCO₃ and BaCO₃ to form composite mineral heat-resistant in high temperature, but owe to their activation to sulfur-fixation reaction of the sulfur-fixation agent.

Keywords

desulfurization / crystallization behavior / sulfur-fixation

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