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Gas storage inside coal

08.06.2023

Scientists at the University of Pennsylvania have built a prototype plant for pumping hydrogen gas into coal and extracting it from there. The researchers plan to use natural coal as a gas storage and thus store energy in it, instead of burning coal. Such an approach, engineers are sure, can revolutionize the energy sector.

Scientists note that considering that environmental initiatives to preserve the environment and search for alternative energy sources are actively promoted in the world, the coal industry begins to suffer significant losses. Despite this, the mineral reserves are still very large, and this creates significant problems for the economies of countries involved in the mining industry. In addition, hydrogen is considered a promising source of energy for the future, as it is easy to obtain and when burned, it does not form harmful emissions. However, the storage of hydrogen on an industrial scale is a super-difficult task that has not yet been implemented.

Scientists emphasize that it is wrong to consider coal as a mineral. In its structure, it is more like a polymer of carbon - like a porous sponge that can absorb a significant amount of gas molecules. The researchers believe that the same principle can be applied to hydrogen.

Scientists admit that the technology of storing hydrogen in coal is not ready for practical application, but in the future it may become the basis of energy, since it will allow the use of natural materials in a new quality and in large quantities. This gives a chance to restore coal production and at the same time reduce emissions of harmful gases into the atmosphere.

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Fossilized unicellular can help find methane in the ocean 04.04.2023

A research team led by a Brown University scientist has discovered a new way to track the transformation of deep-sea methane deposits into a gas previously invisible to researchers. In this they were helped by benthic foraminifers - unicellular organisms from the order Miliolida. Scientists have found that these organisms act as a so-called indicator when it comes to the process of dissociation of methane hydrate.

Deep sea methane deposits are deposits in the form of ice under the seafloor. The process of converting ice-like methane into gas rising to the surface is called methane hydrate dissociation. And the fossilized shells of the single-celled organisms Miliolida, in fact, act as indicators of the places where this process occurs, even when the amount of gas released is extremely small.

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The researchers found that three species of the phylum Miliolida forminifera are able to serve as indicators of this process, namely: Pyrgo spp., Quinqueloculina spp., Spiroloculina spp.

Identifying large dissociation events is not really a difficult task for scientists; they leave their marks in the sedimentary record. However, now experts will also be able to use fossilized unicellular organisms to find smaller events.

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