Study on microwave drying characteristics of manganese ore
Received:July 05, 2019   Revised:July 10, 2019   Accepted:July 19, 2019      Published Online:May 14, 2020
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KeyWord:pyrolusite; microwave heating; drying characteristics; the moisture content; moisture migration
                 
AuthorInstitution
SU Xiao Key Laboratory of Green-chemistry Materials in University of Yunnan Province,Yunnan Minzu University,Kunming
DU Jinjia Key Laboratory of Green-chemistry Materials in University of Yunnan Province,Yunnan Minzu University,Kunming
PU Jing Key Laboratory of Green-chemistry Materials in University of Yunnan Province,Yunnan Minzu University,Kunming
RUAN Rongsheng Key Laboratory of Green-chemistry Materials in University of Yunnan Province,Yunnan Minzu University,Kunming
DUAN Liping Key Laboratory of Green-chemistry Materials in University of Yunnan Province,Yunnan Minzu University,Kunming
CHEN Guo Key Laboratory of Green-chemistry Materials in University of Yunnan Province,Yunnan Minzu University,Kunming
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Abstract:
      As a new drying technology, microwave heating technology has been widely used in the field of mineral drying. In this paper, taking the pyrolusite in Daxin county, Guangxi province as the research object of microwave drying, taking microwave heating as the dry heat source, and the microwave drying experiments of pyrolusite were carried out under different conditions of initial moisture content, pyrolusite quality and microwave power respectively. The effect of experimental factors on microwave drying rate of pyrolusite was studied, and a new process of microwave drying of pyrolusite was developed, which provided theoretical basis and experimental data for industrial application of microwave drying of pyrolusite.
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