Sagan, C. Liquid carbon dioxide and the Martian polar laminas.
But to clean, it uses a solvent, propylene glycol ether, rather than liquid carbon dioxide.
Lightweight steel containers are used when the liquid carbon dioxide is held under refrigeration.
Urea is now prepared commercially in vast amounts from liquid ammonia and liquid carbon dioxide.
Another green option for cleaners, experts say, replaces a solvent like perc with liquid carbon dioxide (CO2).
It uses colorless, odorless liquid carbon dioxide instead of the aggressive chemicals applied at traditional dry cleaners.
The procedure involves washing the cervix with vinegar, peering at it with a flashlight and freezing any white spots with liquid carbon dioxide.
The company, which is closely held, has sold, or is in talks to sell its liquid carbon dioxide and steel units, as well as an Australia salt business.
The technology, named as liquid carbon dioxide phase change fracturing technology, is classified as physical blasting.
The feasibility of using liquid carbon dioxide for cleaning contaminated plastics was evaluated.
Pumping liquid carbon dioxide underground on a massive scale so it won't contribute to global warming has been talked about for years.
