Preparation of Innovative Porous Ultra-Lightweight Ceramsite by Dehydrated Sewage Sludge (DSS) and Yellow River Sediments (YRS) and its Characteristics of Ceramsite Affected by YRS Addition

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The effects of YRS addition on the characteristics of ceramsite were investigated. Chemical components, especially ratios of SiO2 + Al2O3/Flux (defined as SA/F ratios), were used to explain physical properties and pores distribution of ceramsite. Results showed that the maximum addition of YRS for making ultra-lightweight ceramsite (ULWC) was 35%.Larger pores inside the ceramsite bodies could be obtained as YRS additions ranged from 10% to 30%. Ceramsite with higher YRS additions (40%) became denser and have lower porosity.

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1446-1449

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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