Status of direct and indirect solar desalination methods: comprehensive review S. Mohsen Pourkiaei, Mohammad Hossein Ahmadi, Mahyar Ghazvini, Soroush Moosavi, Fathollah Pourfayaz, Ravinder Kumar and Lingen Chen Eur. Phys. J. Plus, 136 5 (2021) 602 Published online: 29 May 2021 DOI: 10.1140/epjp/s13360-021-01560-3