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Message: <blockquote data-quote="Ovinomancer" data-source="post: 6772022" data-attributes="member: 16814">CCS operates at volumes that make using individual containers, like barrels, staggeringly inefficient and costly.  The primary method advanced for industrial scale (the only scale that matters, given the amounts of CO2) are to use sealed caverns deep underground in geologically stable areas (the same considerations looked for for optimal storage of nuclear waste).  The CO2 is continually pumped into the cavern and kept at very, very high pressures (usually supercritical).  If the containment ruptures, the pressure is well above explosive.  Whatever escape path is offered will experience violent release for an extended period of time, and the likely secondary damage of the release will render the site unusable.  Also, depending on how much has been stored, the release could easily be in the gigaton of CO2 range.The real fact of CCS that's not very useful is the very few locations that are suitable for the technology, and the fact that most of those locations have very limited storage.  By far the most common CCS operation is using CO2 to flush the remaining gas or oil out of wells, resulting in more oil and gas and defeating the general purpose.  Further, those site are usually measured in the megatons of total storage, which is trivial to the problem.  CCS is just not a useful solution.</blockquote>