Design and development of batch type acetifier for wine-vinegar production

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Abstract
A batch type acetifier based on the principal of acetic acid fermentation was designed and tested for production of wine-vinegar from the pineapple peel waste. The pineapple peels along with starter solution was fed to the inner SS perforated peel-solid separator tank 130 mm dia having perforations of 50 mm size. The concentric perforated peel-solid separator circular tank was fitted inside the collecting tank having 255 mm dia. The pineapple peels and starter solution in perforated peel-solid separator tank was agitated and atomized by tubing agitator 200 mm long having 1 mm dia. hole to spray fermented solution at 20 rpm. The agitator was connected with stirring pump. Lift pump was fitted at the bottom of the collecting tank to lift and supply fermented solution to agitator. The capacity of the batch type Acetifier based on present working design was 3.5 liters of wine-vinegar per day for 8 hours for a quality end product at 2% acidity.

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