Plain-English summary
Problem
How can microplastics and similar contaminants be removed from wastewater?
Solution
water treatment method includes a microbubble generating step (S 101 ) of generating microbubbles in water to be treated containing at least calcium ions and producing water to be treated containing microbubbles, a water softening step (S 102 ) of crystallizing calcium ions contained in the water to be treated containing the microbubbles as calcium carbonate and removing the calcium carbonate, and a reverse osmosis membrane treatment step (S 103 ) of separating the water to be treated, from which the calcium carbonate has been removed, into reverse osmosis membrane treated water and reverse osmosis membrane concentrated water using a reverse osmosis membrane.
Key novelty
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