“These energy-efficiency advantages of the BiCAP system, coupled with reduced equipment sizes when scaled up for commercial systems, will lead to reductions in both capital and operating expenses.” “The conventional CO₂ capture process has several disadvantages, and our goal was to reduce the carbon footprint and costs and increase the energy efficiency,” said Yongqi Lu, principal investigator. The system has also been shown to run continuously for two weeks, verifying that it can operate under Midwest winter weather conditions.

The cost advantages have not yet been determined, but previous laboratory testing showed a 26 percent cost reduction. Previous laboratory testing has proved the biphasic solvent-based process concept and has shown that the technique can achieve greater than 90 percent capture efficiency and greater than 95 percent CO₂ purity and has the potential to significantly increase energy efficiency and reduce CO₂ capture cost.įrom the recent field testing, the team verified that their technology could achieve 95 percent efficiency in CO₂ capture, compared with 90 percent in conventional methods, with a 40 percent higher energy efficiency. The system was designed based on the testing results at the laboratory scale under a previous DOE cooperative agreement. Department of Energy (DOE) National Energy Technology Laboratory, an ISTC team sought to validate the various advantages of a biphasic CO₂ absorption process (BiCAP) at a 40-kilowatt electric small pilot scale at the Abbott Power Plant on the U of I campus.

Illinois Sustainable Technology Center (ISTC) researchers have given the thumbs up to an innovative biphasic solvent system for its efficiency and effectiveness in absorbing CO₂ from flue gas in a coal-fired power plant at the University of Illinois (U of I). ISTC engineer Paul Nielsen stands beside the biphasic solvent system at the Abbott Power Plant.

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