Petrobras invests $4m to research natural hydrogen extraction in Brazil

Brazilian state-owned oil and gas firm Petrobras is investing $4m to research natural hydrogen extraction.

Having started work in October 2023 in the state of Bahia, Petrobras plans to expand into other states to explore the generation process of geologic (natural) hydrogen, as well as the feasibility of extracting the energy carrier.

Formed by natural processes inside the Earth’s crust through processes such as serpentinisation and iron oxidation, natural hydrogen can accumulate in underground reservoirs – offering a potentially low-cost carbon-free source of hydrogen.

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