| http://www.w3.org/ns/prov#value | - In one embodiment of the invention, the aromatics co-feed can be added to the feed upstream of the reactor. [0033] Minor amounts, say, 0.01-10 wt. %, of aromatics such as benzene, toluene, and/or xylenes, etc. can be co-fed with the oxygenate in order to enhance olefin selectivity.
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