Horizontal flue
Horizontal flue means a type of coke oven heating system used on Semet-Solvay batteries where the heating flues run horizontally from one end of the oven to the other end, and the flues are not shared with adjacent ovens.
Source
40 CFR § 63.7352
Scoping language
Terms used in this subpart are defined in the Clean Air Act (CAA), in 63.2, and in this section as follows: