Define ethylene. ethylene synonyms, ethylene pronunciation, ethylene translation, English dictionary definition of ethylene. n. A colorless flammable gas, C2H4, derived from natural gas and petroleum and also occurring as a natural plant hormone, used as
acrylic esters such as methyl acrylate, ethyl acrylate and methacrylates, other acrylic or methacrylic compounds such as acrylic acid, methacrylic acid, maleic acid, acrylonitrile and the acrylamides, and other compounds such as allyl alcohol, vinyl silanes, and other copolymerisable vinyl compounds....
for a long period of time activity has concentrated on the incremental increase in capacity of existing tubular reactors by debottlenecking, and there was no attempt to build new facilities with nominal capacities greater than those already proven, say, of 300 kilotonnes per annum (ktpa) or mor...