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