O-Akpolat-GTI-Rotating-Packed-Beds.pdf

ROTA-CAP: An Intensified Carbon Capture System Using Rotating Packed Beds Progress and Current Status Description of test equipment GTI will build a 50kWe (1000kg/day CO2 removal) equivalent scale integrated carbon capture skid. The skid will have a flue gas cooling and filtration section available to be used when necessary and will be designed to be able to operate with either RPB contactors or conventional columns or a combination of each. The key variables will include: • Rotating packed bed rotational speed 500–2000 RPM • Absorber Liquid/Gas ratio 0.5–5.0 kg/m3 • Solvent circulation rate 30–150 kg/h • Solvent concentration/viscosity 40–80 wt.% (5–100 cP) • Regenerator operating pressure/temperature 0.0–1.0 bar(g) (100–130°C) • Flue gas composition (synthetic, natural gas-fired, coal-fired). The task duration for testing of the bench-scale ROTA-CAP skid at GTI is planned to be 5 months. This includes 3 months for simulated gas testing and 1 month natural gas burner flue gas testing with 1 month of testing that can be used for either. Long-term testing at NCCC is planned to be a cumulative 1000 hr test. Funding • DOE Funding: $2,900,000 • Non-DOE Funding: $725,000 • Total Value: $3,625,000 Overall Project Performance Dates • Project duration: 30 months Project Participants • Gas Technology Institute (GTI) • Clean Carbon Solutions Ltd. (CCSL) • National Carbon Capture Center (NCCC) Overall Project Objectives • DOE’s cost target of ≤$30/tonne CO2 • Achieving ≥95 % product CO2 purity The objective of this project is to develop and validate a transformational carbon capture technology—ROTA-CAP. This will be achieved by the design, construction, testing, and simulation modelling of novel rotating packed bed (RPB) absorbers and regenerators in an integrated, process-intensified carbon capture system using advanced solvents at bench-scale. The performance of the integrated hardware and solvent will be assessed under a range of operating conditions with simulated flue gases and GTI’s natural gas burner flue gas to optimize the process, ahead of long-term testing with coal-fired flue gas at