The use of lime-blended sludge for production of cementitious material

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Abstract:

ABSTRACT:

Cementitious material was prepared in the laboratory from a mixture of dewatered sludge and lime incinerated at high temperature. The effects of mixture compositions, burning temperatures and durations on chemical and physical properties, and compressive strengths of the material were examined. The effect of curing conditions on compressive strengths was also investigated. From the results, an optimum condition on the mixture composition, burning temperature and duration, and curing condition on the highest possible strength of the material was determined. The experimental results revealed that sludge could be used to produce cementlike material that would satisfy the strength requirements in the ASTM standard for masonry cement. However, the cement is found to be quick setting and exhibits high water demand. The results on chemical analysis, physical properties, and compressive strengths of the material are presented.

Keywords: cementitious; incineration; lime; reuse; sludge

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/WER.64.1.2

Publication date: January 1, 1992

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  • Water Environment Research® (WER®) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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