Re: CO2

Now if you could just take the exhausts of a power plant and pump that into a large tank of algae...  Maybe a mile long glass tube full of glass beads and algae in the same way they use bacteria to clean water...

On Fri, Mar 13, 2015 at 10:44 AM, <larry wrote:

'UC Berkeley chemists have made a major leap forward in carbon-capture technology with a material that can efficiently remove carbon from the ambient air of a submarine as readily as from the polluted emissions of a coal-fired power plant.

The material then releases the carbon dioxide at lower temperatures than current carbon-capture materials, potentially cutting by half or more the energy currently consumed in the process…

"It would work great on something like the International Space Station," Long said.…

Power plants that capture CO₂ today use an old technology whereby flue gases are bubbled through organic amines in water, where the carbon dioxide binds to amines. The liquid is then heated to 120-150 degrees Celsius (250-300 degrees Fahrenheit) to release the gas, after which the liquids are reused. The entire process is expensive: it consumes about 30 percent of the power generated, while sequestering underground costs an additional though small fraction of that.

The new diamine-appended MOFs can capture carbon dioxide at various temperatures, depending on how the diamines are synthesized, and releases the CO₂ at only 50 C above the temperature at which CO₂ binds, instead of the increase of 80-110 C required for aqueous liquid amines. Because MOFs are solid, the process also saves the huge energy costs of heating the water in which amines are dissolved.'

http://www.sciencedaily.com/releases/2015/03/150311185834.htm