A new process under development in Israel could provide the economical, earth-friendly solution many industries seek for cleaning up soil, sludge and sediment polluted by their activities.

Phased transaction extraction (PTE) is meant as a new tool to help get rid of industrial pollution both for nonvolatile organic and metal pollutants, especially in wet conditions.

PTE uses a combination of methods to remove and concentrate the substances. All components – both the pollutants and the materials that separate them – can be recycled.

Prof. Amos Ullman devised the system with fellow Tel Aviv University Faculty of Engineering Prof. Naima Brauner and Prof ...