Sentences with phrase «oxygen gas mixture»

Not exact matches

A third route, known as pyrolysis, heats dried and ground biomass to about 550 ˚C in an oxygen - depleted chamber (so the biomass doesn't burn), producing a mixture of gases, liquids, and a gray, carbon - rich solid called coke.

Most solutions involve pumping some combination of mud or fly ash combined with an inert gas or water, but the mixture does not always flow thoroughly enough to cover the burning coal, and it can crack when dried, allowing oxygen to get back in.

It will focus on catalyst development for four applications: proton exchange membrane fuel cells to convert stored energy in non-fossil fuels into electricity; electrolysers for splitting water into oxygen and hydrogen — a potential clean fuel cell source; syngas, a mixture of CO and H2, which is generated from coal, gas and biomass, and widely used as a key intermediate in the chemical industry; and lithium - air batteries.

We also place an endotracheal, or breathing, tube to protect the airway and deliver the anesthetic gas and oxygen mixture to the lungs.

A naturally occurring mixture of gases, chiefly nitrogen and oxygen with small amounts of argoin, carbon dioxide and water vapour - we sometimes call this our atmosphere

The basic UCG process involves drilling two wells into the coal, one for injection of the oxidants (water / air or water / oxygen mixtures) and another well some distance away to bring the product gas to the surface.