thumbnail text

A good sort


A company in Tel Aviv has developed a way to use water to sort waste that is proving so efficient that Sydney (pictured below) and Los Angeles have ­already bought the technology.

Arrow Ecology has found that putting mixed waste into water separates it into inorganic materials, which sink, and organic matter, which floats. The company then uses magnetic force, hydro-crushing units and air sifters to separate metal, glass and plastic. The organic matter is treated to produce methane, which can then be sold as green…



Drag me