Review: The Use of Microwave Irradiation in the Processing of Glasses and Their Composites

Kharissova, Oxana V.; Kharisov, Boris I.; Valdés, Juan Jacobo Ruíz

doi:10.1021/ie9014765

Cited by 47 publications

(32 citation statements)

References 56 publications

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“…The results indicate that the pure water permeability of the membranes firstly decreased and then increased with the increasing Ag doping amount. Meanwhile the MWCO indicate that the rejection of the membranes firstly increased and then decreased with the increasing Ag doping amount, which confirms that the membranes can be best integrated with appropriate Ag doping amount of 6 dwb %, because the doped Ag nanoparticles shows enhanced ductility doped with TiO 2 particles, which could release the thermal shrinkage stress of TiO 2 membrane during sintering process [38][39][40]. But more than 6 dwb % Ag doping amount results in Ag particles larger, which affects TiO 2 interparticles compactness, so that the pore size tends to be larger.…”

Section: Effect Of Ag Doping On Morphologies and Performances Of Tio mentioning

confidence: 85%

Enhancing mechanical and photocatalytic performances on TiO2/Ti composite ultrafiltration membranes via Ag doping method

Lin

Cai

Drioli

et al. 2015

Separation and Purification Technology

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Section: Effect Of Ag Doping On Morphologies and Performances Of Tio mentioning

confidence: 85%

Enhancing mechanical and photocatalytic performances on TiO2/Ti composite ultrafiltration membranes via Ag doping method

Lin

Cai

Drioli

et al. 2015

Separation and Purification Technology

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“…234,235 Microwaves were also applied for coating glasses with metals, carbon, metal-oxides, and organic paints. 234 The heating rate of phosphate glass processing can be improved by adding water to the raw mixtures. The hydroxyl group was thus increased by adding water and hence existence of H 3 PO 4 in water mixtures promote microwave heating.…”

Section: Glass and Mineral Processingmentioning

confidence: 99%

Microwave material processing—a review

2011

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Microwave heating is caused by the ability of the materials to absorb microwave energy and convert it to heat. This article represents a review on fundamentals of microwave heating and their interaction with materials for various applications in a comprehensive manner. Experimental studies of single, multimode, and variable frequency microwave processing were reviewed along with their applications. Modeling of microwave heating based on Lambert's law and Maxwell's electromagnetic field equations have also been reviewed along with their applications. Modeling approaches were used to predict the effect of resonances on microwave power absorption, the role of supports for microwave heating, and to determine the nonuniformity on heating rates. Various industrial applications on thermal processing have been reviewed. There is tremendous scope for theoretical and experimental studies on the athermal effects of microwaves. Some of the unresolved problems are identified and directions for further research are also suggested.

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“…This statement was taken up by J. Hurley in 2003 in a UK market survey [2], which concludes that an industrial glass foam oven should have two distinct zones: a zone with temperatures below 500 ºC heated by conventional methods, and one with temperatures above 500 ºC microwave powered, which would be an unprofitable technology. In reality, however, due to the inherent presence in the glass composition of some contaminants (Fe2O3, Cr2O3), even in small ratios, the microwave heating can occur with normal efficiency starting from the ambient temperature [8].…”

Section: Introductionmentioning

confidence: 99%

Manufacture of Glass Foam by Predominantly Direct Microwave Heating of Recycled Glass Waste

Axinte

Paunescu

Drăgoescu

et al. 2019

TNC

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The paper presents authors’ contribution to the improvement of the manufacturing technique of foam glass using the microwave energy. Due to the physical and mechanical characteristics, this material, obtained by the sintering process of waste glass at high temperature, constitutes a viable replacer of existing similar materials, used especially in construction. Unlike the conventional heating methods used worldwide, the company Daily Sourcing & Research SRL Bucharest tested lately microwave heating techniques in the manufacturing process of foam glass. In the paper it is presented an original method based on the feature of the powder mixture composed by waste glass (over 97 wt.%) and the foaming agent (calcium carbonate) to absorb the microwave energy and convert it to heat since the ambient temperature, using a silicon carbide and silicon nitride (80/ 20 weight ratio) crucible with thin wall (2.5 mm), which allows both a preponderantly direct heating and partially an indirect heating of the material. The main parameters of the process (specific consumption of energy, heating speed, process temperature and duration) were significant improved compared to the previous experiments.

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Review: The Use of Microwave Irradiation in the Processing of Glasses and Their Composites

Cited by 47 publications

References 56 publications

Enhancing mechanical and photocatalytic performances on TiO2/Ti composite ultrafiltration membranes via Ag doping method

Enhancing mechanical and photocatalytic performances on TiO2/Ti composite ultrafiltration membranes via Ag doping method

Microwave material processing—a review

Manufacture of Glass Foam by Predominantly Direct Microwave Heating of Recycled Glass Waste

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