Effects of sintering temperature on the characteristics of lightweight aggregate made from sewage sludge and river sediment

Effects of sintering temperature on the characteristics of lightweight aggregate made from sewage sludge and river sediment

The primary goal of this research is to evaluate the effects of sintering temperature on the characteristics of lightweight aggregate (LWA) made form sewage sludge (SS) and river sediment (RS). The results indicate that LWA made from SS and RS mixed at ratios of 1:1 and sintered at approximately 110...

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Veröffentlicht in:Journal of alloys and compounds 2018-06, Vol.748, p.522-527
Hauptverfasser: Liu, Mingwei, Wang, Chunze, Bai, Yang, Xu, Guoren
Format: Artikel
Sprache:eng
Schlagworte:
Aggregates
Bulk density
Cadmium
Compressive strength
Feasibility studies
Heavy metals
Hematite
Leaching
Lead
Lightweight
Lightweight aggregate
Physical properties
Pore size distribution
Porosity
Raw materials
River sediment
Sediments
Sewage sludge
Sintering
Sintering (powder metallurgy)
Sintering temperature
Sludge
Solidification
Water absorption
Weight reduction
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Zusammenfassung:The primary goal of this research is to evaluate the effects of sintering temperature on the characteristics of lightweight aggregate (LWA) made form sewage sludge (SS) and river sediment (RS). The results indicate that LWA made from SS and RS mixed at ratios of 1:1 and sintered at approximately 1100 °C has good physical characteristics with bulk and grain density of approximately 836 kg m−3 and 1672 kg m−3 respectively. The attained compressive strength is 13.7 MPa, water absorption is less than 12% and the fine pores (5 μm 
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2018.03.216