Download - Alco Gain
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What is AlcoGain?
A biocide for molassesbased yeast
fermentation for ethanol
(ethyl alcohol)
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Distillery
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Fermentation
Control Bacterial Contamination
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Sluggish Fermentation
poor quality of molasses?
high contaminant level in substrate? high by-product formation?
Then AlcoGain is a sure-shot solution to all yourfermentation problems!.
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Factors Affecting the Rate of
Fermentation
Inhibitors present in molasses.
Fermentable to non fermentable solids concentration
in raw molasses.
Bacterial contamination in fermented wash.
Sugar concentration in fermented wash
Ethanol concentration in fermented wash
Temperature of fermenters
Agitation in fermenters
Yeast strain
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Inhibitors Present in raw Molasses
Organic volatile acids
Caramel content in molasses Gums, resins and waxes
F/N ratio < 0.9
Bacterial contamination
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Major Sources of Bacterial
Contamination
molasses
air and water dead pockets
Lactobacillus, Leuconostoc& L. fermentum
Acetobactor > 500 different bacteria
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How do bacteria affect Fermentation
Efficiency?
Lactobacillus causes serious yeast flocculation problems
acid production
inhibits yeast metabolism
decreases alcoholic yield
L. fermentum yeast viability strongly reduced
sluggish alcoholic fermentation
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How do bacteria affect Fermentation
Efficiency? (contd.)
Leuconostocmesenteroides sensitive to alcohol
does not persist for long period
Acetobacter
Inhibits alcohol formation
Spoils alcohol quality
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Infection Control
only two methods exist:antibiotics
chlorine dioxide
chlorine dioxide:
cannot be used > 50 ppm
expensive
antibiotics:
highly effective
cheaper
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How AlcoGain Works
controls bacterial contamination
minimizes by-product formation faster conversion of sugars to alcohol
greater conversion of sugars to alcohol
increases rate of yeast metabolism healthy active yeast growth
increase in productivity and spirit quality
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General
Product Specifications Solid / Liquid form
Storage and Shelf Life 3-4 months in cool place
Dosage 8.5 kg (solid form) / 35 L per month per 30 KLPD distillery
May vary as per distillery performance parameters
Packing Available in 35 L jerry can or Powder form
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Economics
Depends upon Fermentation Efficiency (FE)
Lower the FE, better the result Max. increase observed 0.8 % (v/v) in wash
Cost per month = one days benefit (min.)
Benefits vary from plant to plant
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Safety
Handle with care
Only authorized personnel to handle Should not be tasted or smelled
Store in a safe place
Keep the can tightly closed
Keep in a cool place
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Thank You!
Visit:
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Get Higher Alcohol Yields!
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