liquid-liquid-liquid microextraction
liquid-liquid-liquid phase microextraction(LLLME)
liquid-liquid-liquid system
Closed Recycling and Zero Discharge
wastewater zero discharge
zero discharge for the wastewater
zero discharge of sewerage
zero discharge of the dirty water
Zero Discharge of Waste
zero discharge of waste water
Zero liquid waste letting
zero-discharge of pollutants
zero-zero escape system