Search results for: “steel”
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Energy of rotation: angular momentum, inertia and flywheels?
This data-file calculates the energy stored in rotating masses. This includes 50Wh – 100 kWh flywheels. In power grids, the angular momentum of large rotating generators is known as ‘inertia’ and can run from 30kWh to 30MWH per turbine. Inertia has historically been a crucial part of stabilizing grids. Hence how do the physics work?…
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MIRALON: turquoise hydrogen breakthrough?
MIRALON is an advanced material, being commercialized by Huntsman, purifying carbon nanotubes from the pyrolysis of methane and also yielding turquoise hydrogen. This data-file reviews MIRALON technology, patents, and a strong moat. Our model sees 15% IRRs if Huntsman reaches a medium-term cost target of $10/kg MIRALON and $1/kg H2.
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Storage tank costs: storing oil, energy, water and chemicals?
Storage tank costs are tabulated in this data-file, averaging $100-300/m3 for storage systems of 10-10,000 m3 capacity. Costs are 2-10x higher for corrosive chemicals, cryogenic storage, or very large/small storage facilities. Some rules of thumb are outlined below with underlying data available in the Excel.
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eHighway economics: costs of electrifying heavy trucks?
eHighways present an opportunity to electrify heavy trucking, by conveying medium voltage power via overhead steel catenary lines, through a pantograph, to an electric or hybrid-electric truck. This data-file captures the economics of eHighways, covering capex costs, returns and sensitivities, both for road operators and truck operators. The CO2 intensity of trucking can be reduced…
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Transformer costs: the economics?
Transformer costs must typically run at $8/kVA to earn a 10% IRR constructing a new transformer manufacturing facility, across capex costs, materials costs, specialized labor costs, and all built-up from first principles in this economic model. We have also screened 25 leading companies in transformer manufacturing.
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Cross laminated timber: costs and economics?
Cross laminated timber costs $1,200/ton, or $500/m3 pa, in order to derive 10-20% IRRs at a production facility costing $2,000/Tpa in capex. Cost lines include input costs of timber, polyurethane resins, labor, electricity, O&M, and capital costs. This data file is our economic model for mass timber production.
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Topsoe: autothermal reforming technology?
Topsoe autothermal reforming technology aims to maximize the uptime and reliability of blue hydrogen production, despite ultra-high combustion temperatures from the partial oxidation reaction, while achieving high energy efficiency, 90-97% CO2 capture and
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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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Industrial gases: air separation units?
Cryogenic air separation is used to produce 400MTpa of oxygen, plus pure nitrogen and argon; for steel, metals, ammonia, wind-solar inputs, semiconductor, blue hydrogen and Allam cycle oxy-combustion. Hence this 16-page report is an overview of industrial gases. How does air separation work? What costs, energy use and CO2 intensity? Who benefits amidst the energy…
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