Microwave dielectric properties and thermochemical characteristics of the mixtures of walnut shell and manganese ore

Microwave dielectric properties and thermochemical characteristics of the mixtures of walnut shell and manganese ore

•Biomass as carbon source to reduce low-grade pyrolusite.•Dielectric properties of the mixtures are estimated.•Reduction of pyrolusite by biomass corresponds to pyrolysis process.•Application of microwave heating to the carbothermal reduction of minerals. In this work, dielectric properties and ther...

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Veröffentlicht in:Bioresource technology 2019-08, Vol.286, p.121381-121381, Article 121381
Hauptverfasser: Li, Kangqiang, Chen, Jin, Chen, Guo, Peng, Jinhui, Ruan, Roger, Srinivasakannan, C.
Format: Artikel
Sprache:eng
Schlagworte:
Dielectric properties
Manganese ore
Thermochemical characteristics
Walnut shell
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Zusammenfassung:•Biomass as carbon source to reduce low-grade pyrolusite.•Dielectric properties of the mixtures are estimated.•Reduction of pyrolusite by biomass corresponds to pyrolysis process.•Application of microwave heating to the carbothermal reduction of minerals. In this work, dielectric properties and thermochemical characteristics of mixtures of walnut shell and manganese ore were systematically investigated. Results indicated that reducing manganese ore by walnut shell was divided into four stages identified by temperatures:
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2019.121381