Phetoho ea boemo ba leholimo le tsoelo-pele e potlakileng ea indasteri ea lefats'e le temo li entse hore bothata ba khaello ea metsi a hloekileng bo be boima le ho feta, 'me phepelo ea metsi a hloekileng e ntse e mpefala le ho feta, hoo litoropo tse ling tse lebopong la leoatle le tsona li haelloang ke metsi haholo. Bothata ba metsi bo baka tlhokahalo eo ho seng e kileng ea e-ba teng ea ho ntša letsoai metsing a leoatle. Thepa ea "membrane desalination" ke ts'ebetso eo ho eona metsi a leoatle a kenang ka lera la semi-permeable spiral tlas'a khatello, letsoai le liminerale tse ngata metsing a leoatle li koetsoe ka lehlakoreng la khatello e phahameng 'me li ntšoa ka metsi a leoatle a kopaneng, ebe metsi a hloekileng a tsoa. ho tloha lehlakoreng la khatello e tlase.

Ho latela Ofisi ea Naha ea Lipalopalo, kakaretso ea mehloli ea metsi a hloekileng naheng ea China e ne e le li-cubic metres tse 2830.6billion ka selemo sa 2015, e leng karolo ea 6% ea mehloli ea metsi ea lefatše, e maemong a bone lefatšeng. Leha ho le joalo, mehloli ea metsi a hloekileng bakeng sa motho ka mong ke li-cubic metres tse 2 300 feela, e leng karolo ea 1/35 feela ea karolelano ea lefatše, ’me ho na le khaello ea mehloli ea tlhaho ea metsi a hloekileng. Ka ho potlakisa kholo ea indasteri le kholo ea litoropo, tšilafalo ea metsi a hloekileng e tebile haholo ka lebaka la metsi a litšila a indasteri le likhoerekhoere tsa litoropong. Ho tšeloa letsoai metsing a leoatle ho lebelletsoe ho ba tataiso e kholo bakeng sa ho tlatselletsa metsi a nooang a boleng bo holimo. Indasteri ea China ea ho ntša letsoai metsing a leoatle e sebelisa 2/3 ea kakaretso. Ho tloha ka Tshitwe 2015, diporojeke tse 139 tsa ho tlosa letsoai metsing a lewatle di se di ahilwe naha ka bophara, ka kakaretso ya ditone tse 1.0265million/letsatsi. Metsi a indasteri a etsa 63.60%, mme metsi a bolulo a etsa 35.67%. Morero oa lefats'e oa ho tlosa letsoai metsing haholo-holo o sebeletsa metsi a bolulo (60%), 'me metsi a indasteri a etsa karolo ea 28% feela.

Sepheo sa bohlokoa sa nts'etsopele ea theknoloji ea ho tlosa letsoai metsing a leoatle ke ho fokotsa litšenyehelo tsa ts'ebetso. Ho hlophisoa ha litšenyehelo tsa ts'ebetso, tšebeliso ea matla a motlakase e nka karolo e kholo ka ho fetisisa. Ho fokotsa tšebeliso ea matla ke mokhoa o sebetsang ka ho fetisisa oa ho fokotsa litšenyehelo tsa ho ntša letsoai metsing a leoatle.