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U.S. Department of Energy
Office of Scientific and Technical Information

Engineering evaluation of small-scale ethanol plant designs. [10 to 50 gallons per hour]

Technical Report ·
OSTI ID:5533366

The goals of this project were to provide engineering process design information for farm-scale ethanol-fermentation plants having ethanol capacities of 10 gph (gal/hr) 30 gph and 50 gph. We were specifically interested in providing design information for the various plant components/equipment which could be used by the farmer to either construct himself or to request a bid from an equipment supplier. Sizes of the major pieces of equipment to accomplish each processing step were thus specified rather than mechanical specifications, because several mechanical designs are usually available to satisfy the processing need. Each mechanical design is a trade-off of cost, efficiency, flexibility, and capacity, with no one design being the optimum with respect to each criteria. The design information provided in this report provides the farmer with the process requirements which serve as a basis for evaluating the various equipment options available. The report is divided into six sections. The first four are directly related to the processing steps involved in fermentation of grain to ethanol: fermentation, distillation, dehydration, utilities and byproducts. Corn was the fermentable grain which was the basis for all our process calculations. The fifth section deals briefly with the costs of farm-scale plants, while the last section summarizes the information obtained in our evaluation of commercially available plants with capacities of 10 to 50 gph ethanol product. 15 references, 13 figures, 20 tables.

Research Organization:
Oklahoma Univ., Norman (USA). School of Chemical Engineering and Materials Science
DOE Contract Number:
FG46-80R612043
OSTI ID:
5533366
Report Number(s):
DOE/R6/12043-T1; ON: DE84002999
Country of Publication:
United States
Language:
English