Search results for: โdirect air captureโ
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Direct air capture of CO2: the economics?
We model Direct Air Capture of CO2 is likely to cost $150-300/ton, based on granular data on its capex, opex and energy-intensity. This data-file outlines the process, our key conclusions, and allows you to stress-test your own input assumptions.
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Climeworks: direct air capture breakthrough?
Climeworks is a Swiss company, founded in 2009, commercializing a direct air capture technology.ย The main innovation in its patents optimizes air flow, to avoid steep pressure drops, which can otherwise de-rail DAC economics. But we are still unable to de-risk sub-$200/ton CO2 costs based on reviewing the patents.ย ย
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DAC companies: direct air capture screen?
Leading direct air capture companies (DAC companies) are assessed in this data-file, aggregating company disclosures, project disclosures and other data from patents and technical papers. The landscape is evolving particularly rapidly, trebling in the past half-decade, especially towards novel DAC solutions.
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Carbon capture and storage: research conclusions?
Carbon capture and storage (CCS) prevents CO2 from entering the atmosphere. Options include the amine process, blue hydrogen, novel combustion technologies and cutting edge sorbents and membranes. Total CCS costs range from $80-130/ton, while blue value chains seem to be accelerating rapidly in the US. This article summarizes the top conclusions from our carbon capture…
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Fans and blowers: costs and energy consumption?
Fans and blowers comprise a $7bn pa market, moving low-pressure gases through industrial and commercial facilities. Typical costs might run at $0.025/ton of air flow to earn a return on $200/kW equipment costs and 0.3kWh/ton of energy consumption. 3,000 tons of air flow may be required per ton of CO2 in a direct air capture…
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Air conditioning: energy demand sensitivity?
This data-file quantifies air conditioning energy demand. In the US each 100 variation in CDDs adds 26 TWH of electricity (0.6%) demand and 200bcf of gas (0.6%). Air conditioning already consumes 7% of all global electricity and could treble by 2050.
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Aker Carbon Capture: technology review?
Aker Carbon Capture is a public company, listed in Norway, with c120 permanent employees. It has developed novel solvents for post-combustion carbon capture, modular CCS plants (JustCatch, at 40-100kTpa, and BigCatch at >400kTpa). The company aims to secure contracts for 10MTpa of CCS by 2025. This technology review looks for a moat in the patents.
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Cryogenic air separation: costs and energy economics?
This data-file calculates the costs of cryogenic air separation units, which are important in the production of industrial gases, ammonia, metals, materials, medical applications and new energy technologies such as blue hydrogen. Good base cases are $100/ton oxygen, $20/ton nitrogen, $200/Tpa capex and 60kWh/ton of electricity (on an input air basis).
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Windy physics: how is power of a wind turbine calculated?
This data-file is an overview of wind power physics. Specifically, how is the power of a wind turbine calculated, in MW, as a function of wind speed, blade length, blade number, rotational speed (in RPM) and other efficiency factors (lambda). A large, modern offshore wind turbine will have 100m blades and surpass 10MW power outputs.
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