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Influencing of Ca-Based Sorbent on the Sulfur Retention

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Abstract:

Ca-based sorbents has good performance on retening SO2 during coal combustion. In this paper, the effect of Ca/S molar ratio, coal size, combustion temperature and pretreatment time of the materials on sulfur-retention efficiency has been investigated by the method of orthogonal experiment. The work shown that the sulfur-retention is promoted greatly as Ca/S molar ratio of Ca-based agent increased. Simultaneously, the optimum experiment reveals that CaO as sulfur-fixing agent, Ca/S molar ratio 2.0, combustion temperature of 900 °C, coal particle size of smaller than 180 mesh and pretreatment for 30min could attain the best results.

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Eco-Materials Processing and Design XII View Preview

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Periodical:

Materials Science Forum (Volume 695)

Pages:

453-456

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.695.453

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Online since:

July 2011

Authors:

Zhao Hui Zhang, Si Yuan Lu, Jian Tao Ju, Kui Yang, Dong Na Yan

Keywords:

Ca-Based Sorbent, Coal Combustion, Orthogonal Experiment, Sulfur Retention

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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