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…
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…
Polyurethane: production costs?
…chains, naphtha cracking, air separation, hydrogen production, chemical separations, CO2 separation, ammonia synthesis, nitric acid, methanol, formaldehyde, chlor-alkali, acetylene et al. Can you use green hydrogen to decarbonize polyurethane? Substituting…
Membranes for carbon capture: separation anxiety?
Next-generation membranes could separate out 95% of the CO2 in a flue gas, into a 95% pure permeate, for a cost of $20/ton and an energy penalty below 10%, which…
Industrial gas separation: swing producers?
Swing Adsorption separates gases, based on their differential loading onto zeolite adsorbents at varying pressures. The first PSA plant goes back to 1966. Today, tens of thousands of PSA plants…
Polyester: production process?
…(ethane cracking), the coldest of which reaches -200ºC (cryogenic air separation), but the average process takes place at 200ºC. PET is produced from the condensation polymerization of PTA and ethylene…
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…
Origen Carbon: DAC breakthrough?
…alternative approach that avoids introducing air/nitrogen into the combustion process, instead re-circulating exhaust gases, and then adding pure oxygen from an air separation unit or swing adsorption plant. Hence the…
De-Carbonising Cars. Can Oxy-Combustion Save Gasoline?
…a fixed power facility. Hence “a major problem … is how to minimize the additional weight and space required by air separation components” in, say, a car. (2) Storing CO2…
Carbon capture and storage: research conclusions?
…20% oxygen fraction from air in a cryogenic air separation unit average $100/ton using 300kWh/ton of electricity (model here). If you have a concentrated CO2 stream (e.g., 10-40%) then cryogenics…