Desirably, the oxygenate containing feedstock is contacted with the silicoaluminophosphate catalyst in a reactor at an average gas superficial velocity of {HEAD ~ greater than 1 meter} per {TAIL ~ second} 
per
Desirably , the oxygenate containing feedstock is contacted with the silicoaluminophosphate catalyst in a reactor at an average gas superficial velocity of { HEAD ~ greater than 1 meter } per { TAIL ~ second }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL