The method 15, wherein the oxygenate containing feedstock comprises at least one compound selected from {HEAD ~ the group} consisting of methanol; ethanol; n propanol; isopropanol; C4 C20 alcohols; methyl ethyl ether; dimethyl ether; diethyl ether; di isopropyl ether; formaldehyde; dimethyl carbonate; dimethyl ketone; acetic acid; and {TAIL ~ mixtures} thereof 
consisting of
The method 15 , wherein the oxygenate containing feedstock comprises at least one compound selected from { HEAD ~ the group } consisting of methanol ; ethanol ; n propanol ; isopropanol ; C4 C20 alcohols ; methyl ethyl ether ; dimethyl ether ; diethyl ether ; di isopropyl ether ; formaldehyde ; dimethyl carbonate ; dimethyl ketone ; acetic acid ; and { TAIL ~ mixtures } thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH