This can already be done using UV light possibly combined with ozone treatment.

I'm not sure what the hydrogen peroxide method brings to the table compared with UV/ozone (besides a university press release).

[0]: https://www.espwaterproducts.com/ultraviolet-uv-systems/

[1]: https://www.socotec.co.uk/media/faqs/faqs-ozone-water-treatm...