Biomass integrated gasification combined cycle for heat and power at ethanol plants

Matthew J. De Kam, R. Vance Morey, Douglas G. Tiffany

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Biomass integrated gasification combined cycle (BIGCC) technology can be used to generate process heat and significant amounts of electricity at dry-grind ethanol facilities by utilizing the ethanol process coproducts and other biomass sources. These systems can reduce fuel costs for ethanol plants, improve the renewable energy balance of dry-grind ethanol production, and provide reliable renewable electricity for process use and for sale to the local utility. An Aspen Plus model of the dry-grind ethanol process is used as the basis for a subsequent gasification system model. A twin fluidized bed steam gasification configuration based on the SilvaGas process is used to generate synthesis gas. The results show that a dry-grind ethanol facility with a capacity of 190 million liters (50 million gallons) per year could produce 30.4 MW of power while supplying all its process heat needs using ethanol coproducts and corn cobs. This configuration results in a three fold improvement in the amount of renewable energy produced per unit of fossil energy used compared to a conventional ethanol production process using natural gas.

Original languageEnglish (US)
Title of host publicationAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2008, ASABE 2008
PublisherAmerican Society of Agricultural and Biological Engineers
Pages3532-3549
Number of pages18
ISBN (Print)9781605605364
StatePublished - Jan 1 2008
EventAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2008 - Providence, RI, United States
Duration: Jun 29 2008Jul 2 2008

Publication series

NameAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2008, ASABE 2008
Volume6

Other

OtherAmerican Society of Agricultural and Biological Engineers Annual International Meeting 2008
CountryUnited States
CityProvidence, RI
Period6/29/087/2/08

Keywords

  • Biomass
  • Combined cycle
  • Combined heat and power
  • Combustion
  • Ethanol production
  • Gasification
  • Model
  • Renewable
  • Sustainable

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