It took nature decades of photosynthesis, followed by eons of intense heat and pressure from geological activity to bake atmospheric carbon dioxide into the long chains of hydrocarbon that make up fossil fuels.
we pump into the atmosphere each and every year. That means a rapid process that can be scaled up cheaply, locking away as much carbon as possible into every molecule."To capture as much carbon as possible, you want the longest chain hydrocarbons. Chains with 8 to 12 carbon atoms would be the ideal,"Current technologies struggle to get near this goal. The longer the chain, the more heat and pressure are required, making the process less efficient and more expensive.
Combined with an effective catalytic metal to hasten the process , the researchers could improve efficiency by modeling the polymer's pore structures. Remarkably, the rate of production for the four-carbon-long chains of butane ramped up 1,000 fold by coating the catalyst in a specific kind of porous organic polymer.
The step to churning out more butane, which is less likely to vaporize rapidly into a gas at room temperature and leak into the atmosphere like smaller chains, is a significant one.
France Dernières Nouvelles, France Actualités
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