Add-on device makes home furnaces cleaner, safer and longer-lasting

https://techxplore.com/news/2023-02-add-on-device-home-furnaces-cleaner.html

"acidic gas reduction (ZGR) removes > 99.9% of acidic gases, soot and other emissions to produce ultraclean natural gas furnace, water heaters, boilers... cheaper since eliminates corrosion-resistant stainless steel... 400-hour reliability and durability test... AGR unit could be removed by homeowner or technician for regeneration and recycling"

Related: Using green energy for electrochemical corrosion protection

https://phys.org/news/2023-04-green-energy-electrochemical-corrosion.html