Russia – Russian chemists have developed a know-how that permits pure gasoline to be transformed into hydrogen with a excessive diploma of effectivity straight inside gasoline fields, which can scale back the price of hydrogen manufacturing.
This was acknowledged in an announcement printed by the press service of the Russian Science Basis.
The press service quoted Elena Mukhina, senior researcher on the “Skoltec” Middle for Science and Know-how of Hydrocarbon Manufacturing, as saying: “All levels of the proposed course of are primarily based on confirmed and never beforehand tailored applied sciences for extracting hydrogen from actual gasoline layers.” “We have now demonstrated that the proposed technique will convert hydrocarbons into “inexperienced” gas inside the gasoline discipline with an effectivity of as much as 45%.”
The know-how developed by the researchers will make the economic manufacturing of hydrogen a secure course of for the atmosphere within the face of worldwide warming, because the carbon monoxide generated throughout the manufacturing of “inexperienced” gas will stay inside the layers from which pure gasoline is often extracted. To do that, it’s ample to pump water vapor and a catalyst primarily based on Nickel and aluminum oxide within the properly, permitting hydrocarbon molecules to be break up into hydrogen and carbon monoxide with oxygen molecules current. After that, pure oxygen or common air is pumped into the pure gasoline layer, and the combustion course of begins, the place methane and different hydrocarbons are transformed into hydrogen, which exits the properly via a membrane that doesn’t permit different gases to go via it.
Scientists examined the operation of this know-how in a collection of experiments in particular reactors that simulate the manufacturing circumstances prevailing inside gas-bearing rock layers. These experiments helped chemists select the optimum response circumstances, together with heating the gasoline to a temperature of 800 levels Celsius and a excessive vapor focus, the place regarding 45% of the hydrogen might be extracted from the methane within the properly.
Such a stage of effectivity, say the researchers, makes it attainable to provide hydrogen straight inside pure gasoline deposits, which can scale back the price of its manufacturing, in addition to scale back injury to the atmosphere and local weather. In the meantime, chemists level out that the final word effectivity of hydrogen manufacturing might also be considerably lowered if there are supplies inside the rock layers that may react with methane, water and oxygen.
Supply: TASS
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2024-06-04 03:18:43
