<prompt> Translate the following text to EnglishKwa kuongezea, ACI iko katika sehemu tofauti ya kiwanda kuliko FGD au SCR, na sindano ya kaboni hai hufanyika katika mifereji kati ya preheater ya hewa na ESP au FF.  <response>: Moreover, the ACI is located in a different part of the plant than FGD or SCR and activated carbon injection occurrs in the ductwork between the air preheater and the ESP or FF. 