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Oct 14, 2023

Novel membrane could reduce energy expenditure in separating molecules for desalination, drug development

Posted by in categories: biotech/medical, chemistry

Separating molecules is critical to producing many essential products. For example, in petroleum refining, the hydrocarbons—chemical compounds composed of hydrogens and carbons—in crude oil are separated into gasoline, diesel and lubricants by sorting them based on their molecular size, shape and weight. In the pharmaceutical industry, the active ingredients in medications are purified by separating drug molecules from the enzymes, solutions and other components used to make them.

These separation processes take a substantial amount of energy, accounting for roughly half of U.S. industrial energy use. Traditionally, molecular separations have relied on methods that require intensive heating and cooling that make them very energy inefficient.

We are chemical and biological engineers. In our newly published research in Science, we designed a new type of membrane with nanopores that can quickly and precisely separate a diverse range of molecules under harsh industrial conditions.

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