Today’s Solutions: March 23, 2026

When it comes to removing very dilute concentrations of pollutants from water, existing separation methods tend to be energy and chemical-intensive. Now, a new method developed at MIT could provide a selective alternative for removing even extremely low levels of unwanted compounds. The new approach is described in the journal Energy and Environmental Science, in a paper by MIT postdoc Xiao Su, Ralph Landau Professor of Chemical Engineering T. Alan Hatton, and five others at

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