There's a good review of existing and novel desalinization technologies, including OP's supercavitation method, here: https://www.researchgate.net/publication/

There's a good review of existing and novel desalinization technologies, including OP's supercavitation method, here: https://www.researchgate.net/publication/271673255_Large-scale_water_desalination_methods_A_review_and_new_perspectives https://www.researchgate.net/publication/271673255_Large-sca...