Disclosed is a catalytic method for operating {HEAD ~ an oxygenate} to olefins conversion reaction to provide a substantial quantity of prime olefin in {TAIL ~ the product} 
Disclosed is a catalytic method for operating { HEAD ~ an oxygenate } to olefins conversion reaction to provide a substantial quantity of prime olefin in { TAIL ~ the product }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL