Siv rau ntau qhov chaw, xws li: "zero release" tov rau cov dej khib nyiab, evaporation thiab concentration rau cov txheej txheem kev lag luam, zaub mov fermentation (aginomoto, citric acid, starch thiab qab zib), lub tsev muag tshuaj (tseem siv tshuaj suav tshuaj, tsis tshua muaj kub concentration ntawm western tshuaj), tshuaj zoo (tshuaj tua kab, hluavtaws dyes, organic pigments, pleev xim rau, txuj lom thiab dej qab zib), tshuaj chlorine concentration (sea chloride), dej hiav txwv ntsev thiab dej qab zib. desalt thiab metallurgical kev lag luam, thiab lwm yam.
1, Kev siv hluav taws xob tsawg, kev siv nyiaj tsawg
2, Chaw ua haujlwm me me
3, Yuav tsum muaj kev siv hluav taws xob tsawg dua thiab kev nqis peev tsawg dua
4, Kev ua haujlwm ruaj khov thiab qib siab ntawm automation
5, Yuav tsum tsis muaj thawj chav
6, Lub sijhawm khaws cia luv vim yog siv ib zaug xwb
7, Cov txheej txheem yooj yim, kev ua haujlwm siab, thiab kev pabcuam zoo heev ntawm qee qhov kev thauj khoom
8, Cov nqi ua haujlwm qis
9, Muaj peev xwm evaporating ntawm thiab qis dua 40 celsius yam tsis muaj lub tub yees thiab yog li tshwj xeeb tshaj yog tsim rau cov ntaub ntawv kub.