Obtaining Electroheating Elements Based on Products of Carbothermal Reduction of Fe2O3 by Waste Activated Sludge (WAS)-Reference-Cited by-同舟云学术

Obtaining Electroheating Elements Based on Products of Carbothermal Reduction of Fe2O3 by Waste Activated Sludge (WAS)

Published:2022-09-06 Issue:4 Volume:14 Page:1319-1332
ISSN:1877-2641
Container-title:Waste and Biomass Valorization
language:en
Short-container-title:Waste Biomass Valor

Author:

Vlasova Marina,Márquez Aguilar Pedro Antonio,Hernández Morelos Jorge Luis,Parra Parra Abigail,Guardián Tapia Rene,Reséndiz González Marycruz

Abstract

AbstractIn this work, the prospects of fabrication of heating elements from heat-treated (sintered) mixtures of waste-activated sludge (WAS) and Fe2O3 under oxygen deficiency conditions are considered. During heat treatment of mixtures in the 800–900 °C temperature interval, Fe2O3 reduces to Fe3O4, Fe0.94O, and Fe. A heat treatment at 1000 °C leads mainly to the formation of amorphous iron doped with carbon, silicon, and aluminum. Based on these compacted mixtures, having different electrical resistivity (from ~ 10–4 up to 10–1 Ω·m), it is possible to fabricate heating elements, whose working temperature ranges from ~ 100 °C up to 600 °C. Graphical Abstract

Publisher

Springer Science and Business Media LLC

Subject

Waste Management and Disposal,Renewable Energy, Sustainability and the Environment,Environmental Engineering

Link

https://link.springer.com/content/pdf/10.1007/s12649-022-01905-8.pdf

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