Impact of Inorganic Solutes’ Release in Groundwater during Oil Shale In Situ Exploitation

نویسندگان

چکیده

Oil shale can produce oil and gas by heating the at 300–500 °C. The high temperature release of organic matter change physical mechanical properties rocks make originally tight impervious layer become a permeable under in situ exploitation conditions. To realize potential impact on groundwater environments, series water–rock interaction experiments different temperatures was conducted. results show that, with increase reaction temperature, anions cations aqueous solution shale, shale–ash, surrounding rock trends, shale–ash is most affected ambient temperature. hydrochemical type HCO3-SO4-Na-K 80 °C 100 °C, which changes water quality. main reasons are that (1) (≥80 °C) promote dissolution FeS (2) porosity increases after pyrolysis, making it easier to react water. This paper an important supplement research environment. Therefore, impacts mining inorganic minerals should be taken into consideration when evaluating projects shale.

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ژورنال

عنوان ژورنال: Water

سال: 2022

ISSN: ['2073-4441']

DOI: https://doi.org/10.3390/w15010172