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Showing posts with the label supercritical CO2

HERO generates steady 700°C heat in under three minutes from hydrogen and oxygen without combustion or fuel cells

https://www.hydrogeninsight.com/innovation/profound-breakthrough-new-technology-generates-steady-high-temperature-heat-from-hydrogen-without-combustion-or-fuel-cells/2-1-1542599 "water  the only output... globally patented catalyst that quickly heats up in the presence of H2 and O2 and then reverts to its original state with zero degradation... patented non-toxic catalyst, a trade secret, from relatively common elements... uses only tiny amounts of electricity to power switches, pumps and gauges... food giant Mars and packaging company TrendPac are running pilot projects... can use with green air-cooled supercritical CO2 turbines... one-tenth size of equivalent steam turbine" Simon Derricutt commented: "they're trying to make this out as something new, but the real news here is that they've got a cheap catalyst that starts working at room temperature and is OK up to 700°C (doesn't degrade too much at high temperature). Otherwise, you could do much the same th...

Decarbonisation tech instantly converts CO2 to solid carbon

https://www.rmit.edu.au/news/all-news/2022/jan/decarbonisation-tech "The "bubble column" method starts with liquid metal being heated to about 100-120C... gas bubbles rising up just like bubbles in a champagne glass" Related: A new catalyst that transforms carbon dioxide into added-value chemical products https://phys.org/news/2023-01-catalyst-carbon-dioxide-added-value-chemical.html

NET Power revolutionary technology affordably generates zero-emission electricity from natural gas; 50 MWth test facility delivering to grid

https://www.prnewswire.com/news-releases/net-power-delivers-electricity-to-grid-in-major-technological-breakthrough-301425894.html "combusts natural gas with oxygen, instead of air, and uses supercritical carbon dioxide as a working fluid to drive a turbine instead of steam. NET Power does not produce any nitrogen oxides (NOX), sulfur oxides (SOX) or particulate pollution, and the remaining CO2 is pipeline-quality to either be safely stored in underground geologic formations or utilized for industrial processes... projects have been publicly announced in the United States, Canada, and the United Kingdom" Company website:   https://netpower.com/technology/ See also: Satellites discover huge amounts of undeclared methane emissions https://www.space.com/satellites-discover-huge-undeclared-methane-emissions Related: New Gas Mill Powered By Grass Will Power Thousands Of Homes In Reading https://the-energy-consultant.com/news/energy/new-gas-mill-powered-by-grass-will-power-thousan...