A comparative study of single and two stage processes for methane production from tomato processing waste

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Abstract

Separation of acidogenic and methanogenic stages during anaerobic digestion of tomato processing waste (TPW) has resulted in 80% of carbon conversion to total gas (65% methane) of 0·8 m3/kg volatile solids. The process yielded a 40–50% increase in the rate and yields of methane and total gas production over the single stage process under similar conditions.

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