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Method of Getting Alternative Eco Friendly Fuel from Aliminum Waste Invented in Russia
March 31, 2018 10:32


Scientists of the Non-Ferrous Metals and Gold Department of the Moscow Research Institute of Steel and Alloys, under the supervision of Professor Alexander Gromov of Germany have developed a method of producing alternative environmentally friendly fuel (hydrogen) from aluminum and non-ferrous metals. The processing of one small carbonated beverage can (0.33 liters) in the newly discovered way will provide fuel for 20 meters of car drive.
The capacity of the Russian market of aluminum containers is estimated at approximately 2-3 billion packs per year. The weight of a 0.33 liter can makes 15 grams. In one year. The lifetime of such a can is from several days to several months. After being used, empty can usually go to garbage dump, along with other aluminum waste.
The European market of secondary aluminum, uselessly and uncontrolledly releasing hydrogen into the atmosphere when it is stored in landfills, is estimated at about 9 million tons (according to the European can market report of 2013/2014). More than half of this aluminum is not used, which equals to 130 TJ (terajoules) in terms of energy.
The need for sorting and processing. Secondly, it is about the lost fuel energy contained in reactive metallic aluminum. Thirdly and most importantly, it is the concern for environmental safety that demands it. When being stored, the aluminum scrap gradually oxidizes and releases hydrogen - an explosive chemical reagent - into the air.
The team of scientists from the Moscow Research Institute of the Steel and Alloys and the Institute of the High Temperatures of the Russian Academy of Sciences has a proposed using aluminum waste in the alternative green energy as a reagent for the hydrogen-generating system: "aluminum-water". In the reaction of aluminum with water, free hydrogen is released, which can be burned or oxidized to produce electricity in the fuel cell. The chemical energy stored in every aluminum can weighing 15 grams is 255 kJ. In terms of petrol, 255 kJ of energy is equivalent to 20 meters of mileage per 100 kilometers.
"We have suggested a system that includes analysis of raw materials, optimal methods for crushing aluminum waste, the development of oxidation mechanisms and regimes, as well as storing and transporting the resulting solid metallic reagents. waste and developed the concept of a hydrogen producing apparatus - the analog of a carbide acetylene generator, "- Prof. Gromov reported.
The technology suggested is fire and explosion-proof and helps to solve three practical problems: recycle the waste of aluminum and other hydro-reactive metals, get virtually free of hydrogen from waste, and draw attention to the matter of sorting and separate recycling of garbage.
Hydrogen, obtained by oxidizing wastes of metallic aluminum and other non-ferrous metals, can be used as fuel in portable power supplies, in transport systems and small stationary power plants.
A scientific article substantiating the new technology has been published in the "Powder Technology" journal. Now the developers are working on an experimental unit and conducting laboratory tests.
 



Author: Vera Ivanova

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