Guhitamo ni inzira yo gukuraho umunyu nibindi mabuye y'agaciro kuva mumazi yinyanja kugirango abone ibyo bikwiranye no gukoresha abantu cyangwa gukoresha inganda. Ibi bikorwa nuburyo butandukanye harimo na osmose, gutandukana na electrodialysis. Kugurisha mu nyanja bihinduka isoko yingenzi byamazi meza mubice aho umutungo wamazi gakondo ari make cyangwa wanduye. Ariko, ibi birashobora kuba inzira-ingufu nyinshi, kandi nindine yibanze nyuma yo gushakira neza bigomba gufatwa neza kugirango batangiza ibidukikije.

Yantai Jutong yihariye mugushushanya, gukora ubushobozi butandukanye bwimashini zihabisha imyanya ikarenga 20years. Abashakashatsi ba tekinike babigize umwuga barashobora gukora igishushanyo nkuko abakiriya babisabwa nurubuga rusanzwe.