1, Direct Air Capture of CO2. In its quarterly results presentation, Exxon Mobil said it had ‘Completed construction of a direct air capture (DAC) prototype piloting proprietary technology’. Few further details were provided and the company divulged little information in response to an oral question (at about minute 55 of this
Re "Offshore wind and hydrogen ... oxygen will then be added to nearby parts of the Baltic Sea ... allow the rebuilding of the marine ecology": What is the carbon sequestration potential of restoring the marine ecology?
Re "Offshore wind and hydrogen ... oxygen will then be added to nearby parts of the Baltic Sea ... allow the rebuilding of the marine ecology": What is the carbon sequestration potential of restoring the marine ecology?
Not clear what advantage there is in using pure oxygen to aerate oceans rather than air. Pure oxygen has many other commercial uses.