501797 Pretreatment of Solid Wastes from Vegetable Processing for Biofuel Production

Emmanuel Revellame, Industrial Technology, University of Louisiana at Lafayette, Lafayette, LA, William Holmes, Energy Institute, University of Louisiana at Lafayette, Lafayette, LA, Dhan Lord Fortela, The Energy Institute, University of Louisiana at Lafayette, Lafayette, LA and Donald Blue, University of Lafayette, Louisiana, Lafayette, LA

Solid vegetable wastes, consisting of mainly onions, were subjected to acid and alkali pretreatment for biofuel production through microbial processes (i.e. aerobic and anaerobic digestion). RSM design was applied to determine optimum conditions (maximum sugar yield, minimum inhibitor yield) for the pretreatments. Preliminary results indicated that optimum yields can be obtained at 3.5 wt.% HCl and 50C, and 7% KOH and 100C for acid and alkali pretreatment, respectively.

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