... hygrocarbons is accomplished in tubular reactors commonly known as cracking furnaces,crackers,cracking heaters,etc. Several engineering contractors,including ABB ... furnace guarantee high outlet of olefinc hydrocarbons.Two cracking furnaces may share a common stack, and the height of ... tubes were rranged in horizontal rows in a radiant chamber,leading to low ethylene capcity(20,000 mta,metric ...