Recently, according to foreign media reports, scientists have developed a large-scale economic method for extracting hydrogen from oil sands (natural asphalt) and oil fields, which can be used to drive hydrogen-powered cars and generate electricity. Hydrogen-powered vehicles, including cars, buses and trains, have been developing for many years.

These vehicles are considered highly efficient and environmentally friendly, but the high price of hydrogen extracted from petroleum reserves means that the technology is not economically feasible. Now, Canadian engineers have developed an inexpensive method for extracting hydrogen from oil sands. Interestingly, this method can also be applied to mainstream oil fields, allowing them to produce hydrogen instead of petroleum.

Oil fields, even abandoned oil fields, still contain a lot of oil. The researchers found that injecting oxygen into the oil field raises the temperature and releases hydrogen, which is then separated from other gases through specialized filters. Hydrogen does not pre-exist in the reservoir, but pumping oxygen means it can react to produce hydrogen.

The researchers pointed out that this technology can absorb large amounts of hydrogen while leaving carbon underground. When working at the production level, we expect to be able to use the existing infrastructure and distribution chain to produce hydrogen at a price of 10 to 50 cents per kilogram. This means that its cost is only a fraction of the equivalent production of gasoline. In contrast, the current cost of hydrogen production is about US $ 2 / kg, and about 5% of the hydrogen produced produces power for the oxygen production plant, so the cost of the system is higher than its own cost.

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