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Integrated System for Ethyl Alcohol Production: Zero Pollution through Advanced Fermentation Technology

This innovative approach to ethyl alcohol production emphasizes both fermentation excellence and environmental responsibility. Developed by Dr. Fahad Alhabdan and colleagues, this integrated system utilizes various raw materials, including cane molasses, sweet sorghum, starch, and more, achieving high alcohol yields with a rapid fermentation process. Operating under temperature and stress tolerances, this method also focuses on zero pollution, utilizing biogas and waste treatment protocols to recycle effluent effectively. Discover how this cutting-edge technology balances productivity with sustainability.

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Integrated System for Ethyl Alcohol Production: Zero Pollution through Advanced Fermentation Technology

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  1. R & D Par Excellence

  2. 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)

  3. 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

  4. 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

  5. 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

  6. CREST’S INTEGRATED TECHNOLOGY : RICE / GRAIN FERMENTATION 455 LITERS BL/ TON ETHANOL YIELD IMPROVED TECHNOLOGY RICE CONVENTIONAL TECHNOLOGY RICE 400–430 LITERS BL/ TON

  7. ZERO POLLUTION SYSTEM : CONCENTRATION & BOILER FUEL

  8. 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.

  9. 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

  10. RECYCLING OF EVAPORATOR CONDENSATES AND SPENT LEES CONDENSATE TO BE RECYCLED FOR DILUTION OF RAW MATERIALS : MOLASSES OR GRAIN STARCH FOR FERMENTATION CONDENSATE CONCENTRATE

  11. MIXED FUEL

  12. 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

  13. STEAM BALANCE FOR CONCENTRATION AND DRY MIXED FUEL

  14. THANKS

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