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Experts from the University of Minnesota (UM) announce in the July 31st issue of the respected journal Science that they managed to develop a new method to create high-performance membranes out of crystal sieves called zeolites. They argue that the innovation could lead to significant advancements in the understanding of chemical reactions â€" the basis of our industry â€" and could also trigger improvements in the energy efficiency of chemical separations of up to 50 times over. Especially prone to the influence of the new find is the process of distillation. This process is one of the most widely used around the world, and has applications in obtaining a large number of end-products. But, while it's very simple to design and implement, it takes a lot of resources to operate, which essentially translates into higher costs for whatever is produced employing it. For decades, one of the greatest problems in the industry has been removing structural defects in zeolite membran!
es. These defects severely limit their performances. In the new method, developed in the lab of UM chemical engineer Michael Tsapatsis, rapid heating treatments are applied to the zeolite, which remove its imperfections with great efficiency. “Using membranes rather than energy-intensive processes such as distillation ...
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http://news.softpedia.com/news/New-Way-to-Separate-and-Purify-Molecules-Devised-118021.shtml
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