{HEAD ~ The method} 15, wherein the oxygenate containing feedstock comprises at least one compound selected from the group consisting of methanol; {TAIL ~ 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 mixtures thereof 
{ HEAD ~ The method } 15 , wherein the oxygenate containing feedstock comprises at least one compound selected from the group consisting of methanol ; { TAIL ~ 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 mixtures thereof
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