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My friends, who are working on an IoT based technology project, explained their idea to me which is roughly like reducing air pollution by converting pollutants to oxygen ($\ce{O2}$) in any reaction, using waves and in particular microwaves. I have two questions in mind:

  1. How do waves such as infrared, ultraviolet, microwave and others react with pollutants or in general with a gaseous mixture?
  2. Which electromagnetic waves would be better in terms of factors such as time, temperature, rate of reaction and cost?

The pollutant mixture may contain all the pollutants described here, but the project is much more concerned with those that are more harmful than others to humans and life on earth.

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closed as too broad by airhuff, pentavalentcarbon, Mithoron, Todd Minehardt, ron Feb 18 '18 at 15:23

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • $\begingroup$ I believe irradiation of $\ce{NO2}$ could convert it to $\ce{NO}$ and $\ce{O}$. Don't know how much that will help - it might make ozone. $\endgroup$ – JavaScriptCoder Feb 17 '18 at 16:26