Spain. A system for ice recovery implemented from the refrigeration of equipment for scientific and medical use was patented and developed by researchers from the University of Zaragoza, the Spanish National Research Council (Csic) and the AMERICAN company GWR Instruments.
The system allows the liquefaction and recovery of spinning on medium and small scales to achieve significant savings in the economic aspect.
The invention is based on new techniques of recovery and purification of gas from the evaporation of liquid in medical or scientific equipment. The liquefaction process is adapted to consumption, since the liquid produced is kept without loss for the necessary time until it is reused.
"With our method, the savings in liters end up being 100% within a few weeks of the installation of the plant. The cost of the liquid helium produced is, therefore, the cost of electricity added to the maintenance and amortization of the plant, estimated between one and two euros per liter produced, "said Conrado Rillo, coordinator of the development.
The University of Zaragoza is already implementing the method that together with the Csic could recover in money up to one million euros.
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