Global Thermostat has commercialised its latest direct air capture (DAC) technology to enhance the growth of microalgae biomass used to produce renewable fuels in Kailua-Kona, Hawaii.
The DAC specialist recently commercialised the T-Series system for the capture of carbon dioxide (CO2). At the Hawaii-based project, the innovation will help facilitate the continuous feeding of direct-captured CO2 to strains of algae.
DAC technologies directly capture CO2 from the atmosphere to help achieve Net Zero and eventually net negative greenhouse gas emissions as sources of existing emissions are drawn down.
The technology is highly scalable and has many advantages as a carbon dioxide removal (CDR) solution: it enables permanent sequestration, is directly measurable, and does not interfere with natural systems.
DAC can be used in combination with underground storage or mineralisation to permanently remove past carbon dioxide emissions. Or the captured carbon can be substituted for fossil-based carbon in critical, everyday products.
According to the latest report by the scientists of the United Nations’ Intergovernmental Panel on Climate Change, “CO2 removal is necessary to achieve Net Zero CO2 and greenhouse emissions both globally and nationally, counterbalancing ‘hard-to-abate’ residual emissions.”
It further recognises CO2 removal solutions as an essential element of scenarios that limit warming to 1.5°C or below 2°C.
MicroBio Engineering will deploy the T-Series system with Cyanotech Corporation. The project is also supported by researchers at the Pacific Northwest National Laboratory and was funded by the Department of Energy (DOE) as part of its effort to advance solutions that support the reduction of greenhouse gas emissions.
Paul Nahi, CEO of Global Thermostat, explains that the T-Series can capture and provide industrial amounts of CO2 for a wide range of applications in a compact, containerised footprint. He also notes that customers can start small and scale the system over time.
Global Thermostat’s T-Series will be added to the company’s K-Series module portfolio, which has the capacity to capture around 1,000 tonnes of CO2 per year. The first K-Series has been successfully operating since 2022 at the company’s headquarters in Denver.
The company’s patented DAC solution consists of high-efficiency fans that pull air through ultra-high surface area contactors where the surface geometry and embedded solid sorbent have been custom-designed to optimise the capture of CO2. Low-temperature heat then rapidly releases the CO2 for long-term storage or reuse.
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