ʻO ka desalination ke kaʻina hana o ka wehe ʻana i ka paʻakai a me nā minerale ʻē aʻe mai ka wai kai e kūpono i ka ʻai kanaka a i ʻole ka hana ʻoihana. Hana ʻia kēia e nā ʻano hana like ʻole me ka reverse osmosis, distillation a me ka electrodialysis. Ke lilo nei ka hoʻoheheʻe wai kai i kumu waiwai nui o ka wai maʻemaʻe ma nā wahi i kakaʻikahi a haumia paha nā kumu wai maʻamau. Eia nō naʻe, hiki i kēia ke hana i ka ikehu, a ʻo ka brine concentrated i waiho ʻia ma hope o ka desalination pono e mālama pono ʻia i ʻole e hōʻino i ke kaiapuni.

ʻO YANTAI JIETONG kūikawā i ka hoʻolālā, hana ʻana i nā ʻano like ʻole o nā mīkini desalination wai kai no nā makahiki he 20. Hiki i nā ʻenehana loea loea ke hana i ka hoʻolālā e like me ke koi kikoʻī o ka mea kūʻai aku a me ke kūlana maoli o ka pūnaewele.