Windy physics: how is power of a wind turbine calculated?
…is useful to note that the mass of air passing the turbine can be broken down further as density of air x volume of air flowing past the turbine per…
Air conditioning: energy consumption?
The average US home uses 2,000 kWh of electricity for air conditioners each year. Air conditioning energy consumption is broken down from first principles in this data-file, as a function…
Direct reduced iron: costs and projects?
Direct reduced iron (DRI) is produced by reacting iron ore with H2-rich syngas, fueled by natural gas, in over 150 facilities worldwide. Direct reduced iron costs $300/ton, consuming 3,000kWh/ton of…
AirJoule: Metal Organic Framework HVAC breakthrough?
Montana Technologies is developing AirJoule, an HVAC technology that uses metal organic frameworks, to lower the energy costs of air conditioning by 50-75%. The company is going public via SPAC…
Sitka spruce: our top ten facts?
…will clearly be less bio-diverse than mixed broadleaf, but certainly more biodiverse than a Direct Air Capture plant. Overall, Sitka-heavy forests seem to be OK at promoting biodiversity. In America’s…
Cryogenic air separation: company screen?
…units constructed historically, 50% of the market has historically been controlled by four large leaders: Air Liquide, Air Products, Hangyang and Linde. A second tier of regional specialists are focused…
Compressed air energy storage: costs and economics?
…be stress-tested in the model. What opportunities? $599.00 – Purchase Checkout Added to cart Compressed Air Energy Storage (CAES) seeks to smooth out power grids, using excess electricity to compress air into…
Direct lithium extraction: ten grains of salt?
Direct Lithium Extraction from brines could help lithium scale 30x in the Energy Transition; with costs and CO2 intensities 30-70% below mined lithium; while avoiding the 1-2 year time-lags of…
Energy technologies: the pace of progress?
…post-combustion CCS, battery recycling, supercapacitors, aerial vehicles, Allam Cycle Oxy-Combustion, BECCS, direct air capture, airborne wind, metal organic frameworks, drones, molten carbonate fuel cells, deep geothermal, autonomous vehicles, chemical looping…
Deep blue: cracking the code of carbon capture?
Carbon capture is cursed by colossal costs at small scale. But blue hydrogen may be its saviour. Crucial economies of scale are guaranteed by deploying both technologies together. The combination…