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An international team of researchers has developed just the material that can remove nitrogen dioxide from the atmosphere and other toxic greenhouse gases.
This finding may lead to the development of effective air filtration technology which, in a cost-effective way to capture and remove large quantities of air gases, reducing pollution and global warming. The study, led by University of Manchester, have just been published in Nature Materials, and the same discovery was confirmed using neutron scattering techniques at the US Oak Ridge National Laboratory (ORNL).
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The material, called MFM-300 (Al), is called. organometallic network (MOF), which is a class of porous materials which can act as a sponge being trapped gases to the purification and isolation. Equally important, a small volume offer huge size of an active area, for example 1 gram of such a material, a surface active football field! New MOF developed by researchers, however, it is the first to show a fully reversible and repeatable ability to remove nitrogen dioxide from the atmosphere, which means that it can again and again catch harmful gas from the air and store it in its interior.
Capture of greenhouse gases from the atmosphere itself is a very big challenge, but that's not all, because you have to find a way to practice his release. MOF and offers a solution to this problem, because the network can be degassed or cleaned with air and water, thereby yielding nitric acid, which is a raw material commonly used in the production of fertilizers. According to Dr Sihai Yang from the Department of Chemistry at the University of Manchester: - This is the first material MOF, which allows you to capture first and then process the toxic gas fumes to the valuable raw material for industry.
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- The global market for nitric acid in 2016 had a value of $ 2.5 billion. Manufacturers interested in our technology, the MOF could reduce some of the costs, or even increase a gain on the disposal nitric acid. The more that its production is needed only water and air - adds Martin Schröder, Dean of the Faculty of Science and Engineering UM. What should the occasion to emphasize the new solution reaches its maximum efficiency at about 45 degrees Celsius, so systems with this material ideal for exhaust systems of cars. This means that soon even the traditional cars can become more environmentally friendly, does not remain to us so nothing else but keep our fingers crossed for the commercialization of this idea.