Abstract
HZSM‐5 (SiO2/Al2O3=280 mol/mol) is used to produce hydrocarbons from reagent‐grade isopropanol and mixed alcohols made from lignocellulosic biomass (waste office paper and chicken manure) using the MixAlco™ process. All studies were performed at 101 kPa (abs). The experiments were conducted in two sets: (1) vary temperature (300–Tmax°C) at weight hourly space velocity (WHSV)=1.31 h–1, and (2) vary WHSV (0.5–11.5 h–1) at T=370°C. For isopropanol, Tmax=450°C and for mixed alcohols Tmax=520°C. For isopropanol, higher temperatures produced more gaseous products and more aromatics. High WHSV gives high concentration of C6+ olefins, whereas low WHSV gives high concentrations of C9 aromatics. For mixed alcohols, changes in temperature affected the product distribution similar to isopropanol. In contrast, WHSV did not affect the concentration of reaction products; only dehydration products were observed. © 2013 American Institute of Chemical Engineers AIChE J, 59: 2549–2557, 2013
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