EKSPERYMENTALNE BADANIA INTERAKCJI H2S Z MATERIAŁEM WARSTWY WODONOŚNEJ
Abstract
EXPERIMENTAL TESTS OF H2S INTERACTIONS WITH AQUIFER ROCK
Abstract. The experimental research in brine–rock–gas was performed in order to investigate the interactions of hydrogen sulphide with selected aquifer rocks from the Małopolska Block (Poland). Scanning microscopic analysis of reacted samples confirmed intense dissolution of the cement components (mainly hematite and carbonates). It was also found that the main process leading to hydrogen sulphide mineral trapping is its reaction with hematite, leading to the formation of iron (III) sulphide. Based on modeling of kinetic reactions we also assessed the amounts of sulphur blocked in the mineral form and in solution. On this basis, it was hypothesized that the analyzed rocks have significant potential for geological sequestration of H2S in the long term.
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