72: Closed-loop circular sandblaster


Taking just the 184 oil rigs in the North Sea, sand-blasting and water-jetting on those rigs causes microplastic emissions that are equivalent to dumping 14 millions plastic bottles into the North Sea every year!


Harald Aadland at Pinovo AS of Bergen, Norway, has developed technology which eliminates all emissions from surface treatment of rust and old paint (=microplastics) into the oceans.

Their yellow and grey PiBlast is an automated, fully pneumatic, closed loop vacuum blasting tool intended for dust free abrasive blasting of straight pipes. The for sale or rent, tool comes in different sizes depending on the size of the pipe.

Discover solution 73: detergent-free washing machines

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