The Cluster LNG technology calls for liquefying and storing gas at higher pressures, which allows plant operators to liquefy at higher temperatures and with a higher tolerance for CO2, Daewoo vice president JungHan Lee told the audience during a technical presentation at OTC in Houston.
(Click here to read more from Upstream at OTC 2012.)
In a traditional liquefaction system, CO2 levels must be brought down to a miniscule 50 parts per million, compared to 20,000 or 30,000 parts million for pipeline gas, as higher CO2 concentrations can form damaging ice crystals during the cooling process.
But