Abstract:A life-cycle greenhouse gas (GHG) emissions assessment is conducted on a novel, stable dimethyl ether (DME)−glycerol blend with propylene glycol (PG) cosolvent (i.e., Michigan DME blend II) with its DME content ranging between 40−50 wt %. The ratio of PG to glycerol is fixed at the minimum cosolvent to glycerol mass ratio (MCR) at each DME wt %. The system boundary of the assessment contained 7 different processes: (i) crude glycerol production; (ii) glycerol purification; (iii) PG production; (iv) DME product… Show more
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