The author asked ( It's a question for future research," Semprini said. "How do we make beads that last many years, or how do we develop systems that can easily be replaced),
Answer: When the price of water used for different purposes rises to a higher level than the treatment costs.
Do you really think that the advocated method is excessively expensive? What do you think about the process and its future? Is there a future for research here?
The hydrological cycle has always been operating, God willing. I do not think there is a role for such an application, except in a very special case in which it is scarce to the point of death, in which the money becomes of no value to the mortality of mankind. In any case, the research is considered a database that may be useful in the future.