What is a zero liquid discharge system?
a system that precipitates metals out of factory wastewater by changing the pH
a system that uses ozone or hydrogen peroxide to oxidize organic chemicals in factory wastewater
a system that neutralizes acids or alkalis in factory wastewater
a system that evaporates water from factory wastewater so only solids remain
(D) a system that evaporates water from factory wastewater so only solids remain
Explanation:
