Detection and hydrogeochemical feature analyses of sulfate-reducing bacteria in groundwater in coal measure strata
Abstract：A sulfate-reducing bacteria（SRB） strain, named GY-2, was isolated from groundwater in a 705 m deep aq- uifer at a coal mine in Huaibei Plain for mechanism analysis on the abnormally low sulfate concentration in the coal measure strata groundwater, and was identified as Desulfotomaculum guttoideum by Phylogenetic analysis based on 16S rRNA genesequence. The strain GY-2 is found to be anaerobes, mesophilic and suitable in neutral or alkales- cent,low or medium water mineralization environment, and Fe2＋ significantly promote the SRB strain growth. It is ex- plained with the relationship between sulfate-reduction, redox potential and chemical types of groundwater, why the ra- tios of（ HCO3＋CO2-3 ）/SO2-4 change from high to low and to high again as the depths of the water-bearing strata in- crease continuously.
Keywords：sulfate-reducing bacteria (SRB)groundwatercoal measure strata
Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 237-241 )