For the EfW I'm most familiar with (burning "black bag" waste) the bottom ash goes into aggregates. In cement kilns, the combustion ash is already mixed with the limestone and therefor… (View Post)

I'm in favour of putting tariffs on tat. Less sure about the former. (View Post)

Years ago, ash from the Byker incinerator was used to make paths on some allotments in Newcastle. The only problem was that toxic heavy metals leached out of the ash into the soil where folk were gro… (View Post)

Yes, bottom ash is typically used in aggregates production. But you want to extract the metals first, and sell them. (View Post)

Don't use the "I" word. "Energy recovery facility" is the preferred terminology for plants that, er, incinerate waste. Is the site you are visiting considering retrofitting C… (View Post)