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Stimulating the growth of plants, mining and spatial ceramics, other uses exposed in the global conference which concludes today at the Polytechnic
"We are concerned about the safety of the next generation of portable microwave , " says the president of the association of European experts in this technology
The Global Congress of applications of microwave energy concludes this afternoon at the Polytechnic University of Cartagena (UPCT), which have been presented research to use this technology in many fields and as flashy uses such as stimulation of plant growth the extraction of active ingredients to make effective mosquito repellent, preparation of ceramic materials resistant to high temperatures for special trips and separation of minerals breaking rocks.
Among the new uses of microwave technology that have been exposed at the Polytechnic is the extraction of polyphenols from wine waste to produce antioxidants for the skin and additives for the food industry.
"We use grape residue after fermentation and in just ten minutes can extract the polyphenols, instead of the three hours it now takes the industry," explains Rafael Mato, of the University of Valladolid.
"With microwave extraction it is of higher quality, because not enough time to degrade the product, and more concentrated, while saving energy and use less solvent" argues the researcher.
Another of the lectures given at the conference has shown as pyrolysis oven can be emphasized organic waste into syngas, the raw material with which many chemicals are manufactured, avoiding the use of polluting and finite energies, such as coal, natural gas and hydrocarbons.
"Reaprovechamos waste, whose final volume is reduced to a hundred times, and generate a valuable product," explains J. Angel Menendez, who estimated that each kilo of organic waste are generated between two and three cubic meters of gas.
"In total, more than 150 researchers have provided scientific congress contributions" summarizes Cristina Leonelli, president of the European association for the development of microwave technology and radio frequency, who appreciates the sponsorship of twenty companies and institutions and raved about building the Faculty of Business where the congress was held.
"Among all over Europe, we choose Cartagena for their tourism for the families of our researchers attractive" remarks.
The researcher from the University of Modena and Reggio Emilia has pointed out that Congress has also devoted a day to the health and safety of the new generation of domestic microwave which can triple the power of today and are also designed in sizes very small, no bigger than a pitcher, and portable, battery-powered.
"We are very concerned that are safe for children who can use them," he admits.
Source: UPCT
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