Viewing a single comment thread. View all comments

Doormatty t1_jckyonh wrote

Reply to comment by saywherefore in If UV radiation is used to disinfect and sterilise things then why isn't everything the sun touches (your skin, the sidewalk etc) sterile? by Critwhoris

Gonna need a citation for being able to sterilize water by leaving it in a bottle in the sun.

22

redligand t1_jcl1u6p wrote

Solar disinfection is used effectively in remote communities in the developing world. The effect is amplified by leaving the bottles on reflective surfaces. It's not great and it takes hours but it is effective.

See here for an academic source: https://link.springer.com/referenceworkentry/10.1007/978-3-319-70061-8_125-1#:~:text=Solar%20disinfection%2C%20or%20SODIS%2C%20refers,at%20least%206%E2%80%938%20h.

Wiki: https://en.m.wikipedia.org/wiki/Solar_water_disinfection

72