Characterization and process optimization of microwave drying of plaster of Paris

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dc.contributor.authorGanesapillai, M.G.
dc.contributor.authorIyyaswami, I.
dc.contributor.authorMurugesan, T.
dc.date.accessioned2026-02-05T09:36:53Z
dc.date.issued2008
dc.description.abstractThe changes in the characteristics of plaster of Paris (pop) during drying operation under microwave irradiation conditions, namely surface morphology, effective moisture diffusivity, and absorption of microwave, were studied. The drying characteristics and kinetics of the process during microwave drying of plaster were studied for rectangular-faced cuboids (80 × 70 × 15, L × B × H in mm) through various drying parameters like microwave power input, initial moisture content, and drying time. Further, the experimental data on moisture ratio of plaster for different operating conditions were obtained and the optimization of the microwave drying process parameters was performed with response surface methodology (RSM) by considering all the above-said independent variables. Based on the RSM analysis, the optimum values of the process variables were obtained as: initial moisture content (A) 60%; microwave power input (B) 180 W; and drying time (C) 480 S.
dc.identifier.citationDrying Technology, 2008, 26, 12, pp. 1484-1496
dc.identifier.issn7373937
dc.identifier.urihttps://doi.org/10.1080/07373930802412199
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/27705
dc.subjectCuring
dc.subjectDewatering
dc.subjectDrying
dc.subjectMicrowave generation
dc.subjectMicrowave heating
dc.subjectMicrowave irradiation
dc.subjectMicrowave power transmission
dc.subjectMoisture
dc.subjectMoisture determination
dc.subjectOptimization
dc.subjectPlaster
dc.subjectDifferent operating conditions
dc.subjectDrying characteristics
dc.subjectDrying operations
dc.subjectDrying parameters
dc.subjectDrying times
dc.subjectEffective moisture diffusivities
dc.subjectExperimental datums
dc.subjectIndependent variables
dc.subjectInitial moisture contents
dc.subjectIrradiation conditions
dc.subjectMicrowave drying
dc.subjectMicrowave drying processes
dc.subjectMicrowave powers
dc.subjectMoisture ratios
dc.subjectOptimum values
dc.subjectProcess optimizations
dc.subjectProcess variables
dc.subjectResponse surface methodologies
dc.subjectMicrowaves
dc.titleCharacterization and process optimization of microwave drying of plaster of Paris

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