Published on 21 May 2023
The importance of achieving carbon neutrality is now a universal understanding. Among several pioneering initiatives striving to attain this goal, the transformation of conventional ovens into electric-powered solutions is a significant endeavor. In the midst of this decarbonization revolution, stand several ambitious developers and projects, from Calix's LEILAC to SaltX Technology, intent on reshaping industry practices for the betterment of our planet.
The Calix's LEILAC (Low Emissions Intensity Lime And Cement) project stands as a beacon of technological innovation in the industrial world. The project is dedicated to developing an oven for Direct Air Capture (DAC) processes, a technology poised to be a game changer in reducing carbon dioxide emissions. Heirloom Carbon, a leading carbon sequestration company, has expressed intentions of utilizing this technology to capture CO2 directly from the atmosphere, adding a valuable tool to their arsenal in the fight against climate change.
Read more about Leilac and Heirloom Carbon...
While the cement industry is notoriously carbon-intensive, Origen Carbon Solutions is ambitiously tackling this challenge. In partnership with Singleton Birch, they aim to electrify the cement industry and capture carbon dioxide from the production process. This transformative initiative not only aligns with global decarbonization efforts but also promises to establish new standards for sustainable practices in the cement industry.
Read more about Origen Carbon Solutions and Singleton Birch...
SaltX Technology and SMA Mineral are also in pursuit of innovative solutions, albeit in a different sphere. They seek to electrify the production of burnt lime, aiming for a zero-emission production process. Green steel production stands to benefit from this endeavor, as it relies heavily on lime. The promise of sustainably produced lime not only bolsters the greening of steel production but also contributes to the broader decarbonization efforts.
Read more about SaltX Technology and SMA Mineral
Research organizations and universities worldwide are developing electric calcination processes to cut emissions and promote sustainable industry. For example, VTT Technical Research Centre of Finland collaborates with industry partners and the global research community to develop electric rotary kilns and electrify fluidized bed technologies. The increasing electrification of industries aligns with the growing availability of renewable energy. Choosing electric calcination offers a competitive edge and meets the demands of environmentally conscious customers. It also creates new business opportunities by capturing CO2 for industrial use. Additionally, the changing electricity market presents prospects for industry players through Demand Side Response and Frequency Containment Reserves. Collaborations between research institutions and industry partners are vital for this sustainable transition.
Read more about VTT's electric calcinators
Calcination, a crucial process in the production of cement and lime, offers immense potential for capturing and reusing CO2. As industries electrify, millions of tonnes of CO2 could be reclaimed annually through calcination within the next decade. This transformation would contribute also to a circular economy where waste is reduced, and resources are optimally utilized.
As this electric calcination technology progresses, the production volume of calcination and burnt lime is expected to multiply, with an exciting application in sight: boosting ocean alkalinity. Increasing the alkalinity of the oceans can help mitigate ocean acidification, a significant concern given the rising levels of CO2. By 2050, billions of tonnes of lime could be required annually for this purpose, illustrating the massive potential of this technology.
In an increasingly electrified world, the production of lime can be used to offer carbon dioxide wherever needed, thanks to the decarbonization initiatives. In a world striving for negative emissions, electric fuels can be produced with the aid of captured carbon dioxide.
In conclusion, the electrification of industrial lime kilns and subsequent CO2 capturing promise a sustainable future for various industries. As more companies embrace these technologies, the prospect of achieving a carbon-neutral world becomes brighter. Through the combined efforts of projects like LEILAC, companies like SaltX Technology, Origen Carbon Solutions, and Heirloom Carbon, we are witnessing an exciting phase in industrial decarbonization and direct air capture.
Origen Carbon Solutions & Singleton Birch
SaltX Technology & SMA Mineral - ZEQL - Zero-Emission QuickLime
VTT Technical Research center of Finland
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Why convert solar to electrons to heat when you can do it directly?
CSP systems have an efficiency of between 7 and 25%.
Utility-scale solar power plant may require between 5 and 10 acres per megawatt (MW) of generating capacity. Taking the lower figure this would be ~ 20,000 square meters.
The average installation cost for concentrated solar power (CSP) worldwide from 2010 to 2021 (in U.S. dollars per kilowatt) is $7613.75/kw. For a GW this would be $ $7,613,750,000.
Thermodynamic Geoengineering has an efficiency of 7.6%. A one gigawatt plant would have a footprint of about 43,000 square meters and would cost $2,900,000,000.
Because it is cheaper, mainly because it requires a smaller footprint, and is more efficient because the 92.4% of the heat sent into deep water resurfaces in 226 years and can be recycled.
Electric calcination for use in DAC or OAE is the least of the benefits of a providing a 226 global warming respite.
A 62% cost reduction also could make calcination a more viable proposition.
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