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Researchers find polyurethane sponges recover oil from wastewater

 Last Update: 2022-08-22
 Source: Internet
 Author: User

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Researchers at Imperial College London and the University of Toronto have developed a cost-effective sponge that absorbs oil relatively quickly (less than 10 minutes)

The solution found by a team of chemical engineers led by Pavani Cherukupally is polyurethane foam

"It's all about strategically choosing the characteristics of the pores and their surfaces

Researchers have developed a coating that alters the foam's texture, chemistry and charge, making it suitable for a variety of situations

Dr Cherukupally said in a statement: "The concept of critical surface energy comes from the field of biofouling research and is used to prevent microbes and organisms like barnacles from adhering to surfaces such as ship hulls

The sponge can remove oil droplets in less than 10 minutes

When tested under four different acidic conditions, the coated foam absorbed 95 to 99 percent of the oil in about 10 minutes

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