Maybe this could be combined with electric field desalination to make seawater potable: https://cleantechnica.com/2013/06/30/desalination-with-small-electrical

Maybe this could be combined with electric field desalination to make seawater potable: https://cleantechnica.com/2013/06/30/desalination-with-small-electrical-fields-simple-new-method-may-revolutionize-seawater-desalination/ https://cleantechnica.com/2013/06/30/desalination-with-small... http://news.mit.edu/2015/shockwave-process-desalination-water-1112 http://news.mit.edu/2015/shockwave-process-desalination-wate...