FERMENTATION

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FERMENTATION ZERO POLLUTION AN INTEGRATED
SYSTEM FOR ETHYL ALCOHOL PRODUCTION

• DR. FAHAD ALHABDAN,
• ASSOC. PROFESSOR KING SAUD UNIVERISTY RIYADH
  (S.A.)
• DR. S.C. BHANDARI,
• PROFESSOR MPUAT (UDAIPUR)
• DR. H.C. BHANDARI
• CREST BIOTECH PVT. LTD. (NEW DELHI)

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FERMENTATION OF VARIOUS RAW MATERIALS
technology perfected par excellence

• CANE MOLASSES
• C MOLASSES
• B HEAVY MOLASSES
• A HEAVY MOLASSES
• CANE JUICE
• SWEET SORGHUM
• JUICE,
• SYRUP
• STARCH / GRAIN
• RICE, MAIZE, SORGHUM, BAJARA, WHEAT , RAGI
• SWEET POTATO
• POTATO

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CREST YEAST STRAIN INTEGRATED FERMENTATION

• FERMENT SUGAR
  MOLASSES, CANE JUICE,
• 
  SWEET SORGHUM JUICE, GRAIN,
• 
  STARCH
• FASTER FERMENTATION 12 15
  HOURS (MOLASSES / JUICE)
• 
  40 45 HOURS (GRAIN / STARCH)
• TEMPERATURE TOLERANT 380 C 410 C.
  
• HIGH ALCOHOL TOLERANCE 9.5 12 V/V
  (MOLASSES/ JUICE)
• 
  12 17 V/V (GRAIN)
• HIGH SOLIDS TOLERANCE 25 35
  SOLIDS.
• STRESS TOLERANT
  VARIABLE RAW MATERIALS,
• 
  INFECTIONS, CHEMICALS

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INTEGRATED TECHNOLOGY INCREASE IN ETHYL
ALCOHOL YIELD
275 - 280 LITERS BL / TON
ETHANOL YIELD
IMPROVED TECHNOLOGY
MOLASSES
CONVENTIONAL TECHNOLOGY
MOLASSES
250-260 LITERS BL/ TON
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CRESTS INTEGRATED TECHNOLOGY RICE / GRAIN
FERMENTATION
455 LITERS BL/ TON
ETHANOL YIELD
IMPROVED TECHNOLOGY
RICE
CONVENTIONAL TECHNOLOGY
RICE
400430 LITERS BL/ TON
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ZERO POLLUTION SYSTEM CONCENTRATION BOILER
FUEL
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TREATEMENT OF DISTILLERY EFFLUENT
IN 1979 WE PUBLISHED A PAPER CONCLUDING
BIOMETHANATION OR WITHOUT BIOMETHANATION
FOLLOWED BY EVAPORATION CONCENTRATION WILL BE
SUITABLE SYSTEM TO BALANCE THE ENERGY REQUIREMENT
AND ZERO POLLUTION. STAI 1979. G65-72
IN THE NEAR FUTURE THIS MAY BE RIGHT APPROACH.
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NET REDUCTION OF EFFLUENT
ALCOHOL WASH STEAM CONDENSATE
SPENT LEES EFFLUENT WASH
KL/DAY ANALYZER KL/DAY KL/DAY
KL /DAY
6 820 (92)
(101) 963
8 615 (92)
(94) 751
9 547 (92)
(91) 680
10 492 (92)
(91) 625
12 410 (92)
(91) 177


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RECYCLING OF EVAPORATOR CONDENSATES AND SPENT
LEES
CONDENSATE TO BE RECYCLED FOR DILUTION OF RAW
MATERIALS MOLASSES OR GRAIN STARCH FOR
FERMENTATION
CONDENSATE
CONCENTRATE
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MIXED FUEL
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STEAM BALANCE WITH CONCENTRATION AND MIXED FUEL
50 KL/DAY RS PLANT
500 KL/DAY EFFLUENT
STEAM (8-9BAR) 65 MT/DAY
MEE
90 MT/DAY CONCENTRATED LIQUID
90 MT AGRO RESIDUE (MIXER)
DRYER
100 MT STEAM / DAY
115 MT/DAY MIXED FUEL DRIED
350 MT/DAY
STEAM GENERATION
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STEAM BALANCE FOR CONCENTRATION AND DRY MIXED
FUEL
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THANKS