Regardless of where the SCR reactor is located, ductwork from the economizer outlet to the SCR reactor and back to the air preheater inlet must be accommodated.
Ductwork from the economizer outlet to the SCR reactor and back to the air preheater inlet must be accommodated, it doesn't matter where the SCR reactor is.
You cannot get to know this country properly, even if you don't want to buy anything, without exploring the rich and varied range of traditional arts and crafts, the famous cornucopia of electronic gadgets and precision instruments, or the impressively awful selection of kitsch souvenirs in the major tourist centers.