Supercritical CO₂ Is Useful. The System Claims Are The Problem.

Supercritical carbon dioxide is genuinely useful stuff. Above roughly 31° Celsius and 73.8 bar, CO₂ enters a state that combines gas-like flow behavior with densities that can become much closer to liquids. Engineers have found good uses for that combination. It can extract caffeine from coffee, separate valuable compounds from ... [continued] The post Supercritical CO₂ Is Useful. The System Claims Are The Problem. appeared first on CleanTechnica .