Researchers at the University of Illinois (U of I) are developing an educational and research facility that will demonstrate the process of converting swine manure and algae into crude oil.

February 8, 2012

2 Min Read
Conversion Facility Makes Crude Oil from Swine Manure, Algae

 

Researchers at the University of Illinois (U of I) are developing an educational and research facility that will demonstrate the process of converting swine manure and algae into crude oil.

Lance Schideman, a professor in the Department of Agricultural and Biological Engineering (ABE), has conducted significant research in the area of integrated algae systems for water purification and biomass production.

Yuanhui Zhang, also a professor in ABE, has spent nearly a decade researching the conversion of swine manure into crude oil. The two researchers have combined their efforts to develop a system that will use bio-wastes, such as swine manure, to grow algal biomass, purify wastewater, recycle nutrients, capture carbon dioxide and produce biofuels.

“With this system, we will first convert swine manure into crude oil in a hydrothermal liquefaction (HTL) reactor,” Schideman says. “The resultant wastewater contains nutrients, such as nitrogen and phosphorus, which can be used to grow algae. These fast-growing algae will remove the excess nutrients and capture carbon dioxide. Finally, the algae will be fed back into the HTL reactor to be converted into additional biocrude oil.”

Schideman says that the first stage of the project should allow them to produce up to two gallons of crude oil per day, using manure and algae grown on site. A second phase will produce up to two barrels of oil per day, they speculate. While all parts of the process have been proven viable, they have not brought them together in one continuous process, he explains. That is the main goal of the current project.

The facility will be located at the Swine Research Center (SRC) on the U of I South Farms, and developed in collaboration with the Department of Animal Sciences. “They have about 3,000 pigs at the SRC, and right now the manure lagoon is currently discharged to the local sanitary sewer at significant expense,” Schideman says. “One immediate benefit for them would be a substantial reduction in their sewer bill but, hopefully, the longer-term benefit would be value-added co-products from their residuals management system.”

Zhang says the research theme is called Environment-Enhancing Energy, or E2 Energy, because it is an effort to meet the challenge of energy production in a way that is both economically viable and environmentally sustainable.

Schideman says they hope the laboratory at the SRC will become a cutting-edge facility for applied research and education on novel processes that convert agricultural residuals into valuable bioenergy and biochemical resources, while also providing significant environmental benefits. “We are developing strategic partnerships with stakeholders, including producers, equipment manufacturers, academics, extension specialists and co-product end users, to maximize the impact of this new research and extension facility,” he says.

Schideman and Zhang are working on a grant sponsored by the Illinois Sustainable Technology Center for characterizing water quality impacts of algal wastewater treatment combined with hydrothermal liquefaction. Additionally, Schideman has received a Focal Point grant for building interdisciplinary research capabilities in algal biomass and bio-products.

Learn more about the project at  http://algae.illinois.edu/

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