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2010•Clean TechnologyRequires access

Effect of Hydrothermal Treatment on Sulfur Dioxide Absorption Efficiency of Natural Brucite

Jin‐Bae Kim, Seong‐Gu Kang, Heon-Chang Kim

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Abstract

Mg(OH)2 slurry was prepared by using natural mineral brucite exploited from Liaoning province in China, and its de-SOx efficiency was examined. The effect of difference in particle size distribution of brucite and activation by hydrothermal treatment were investigated. The de-SO2 efficiency of a finely-milled brucite sample below 1000 mesh with narrow particle size distribution was higher than that of the sample below 80 mesh. On the other hand, the de-SO2 efficiency of brucite sample below 80 meshes was significantly improved by the hydrothermal treatment at 363 K for 3 h.

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What this paper is about

Mg(OH)2 slurry was prepared by using natural mineral brucite exploited from Liaoning province in China, and its de-SOx efficiency was examined. The effect of difference in particle size distribution of brucite and activation by hydrothermal treatment were investigated. The de-SO2 efficiency of a finely-milled brucite sample below 1000 mesh with narrow particle size distribution was higher than that of the sample below 80 mesh. On the other hand, the de-SO2 efficiency of brucite sample below 80 meshes was significantly improved by the hydrothermal treatment at 363 K for 3 h.

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Available abstract

Mg(OH)2 slurry was prepared by using natural mineral brucite exploited from Liaoning province in China, and its de-SOx efficiency was examined. The effect of difference in particle size distribution of brucite and activation by hydrothermal treatment were investigated. The de-SO2 efficiency of a finely-milled brucite sample below 1000 mesh with narrow particle size distribution was higher than that of the sample below 80 mesh. On the other hand, the de-SO2 efficiency of brucite sample below 80 meshes was significantly improved by the hydrothermal treatment at 363 K for 3 h.

Key concepts: Brucite, Hydrothermal circulation, Mineralogy, Mineral, Chemistry, Materials science, Chemical engineering, Metallurgy

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