Stimulation of microbial urea hydrolysis in groundwater to enhance calcite precipitation.

  title={Stimulation of microbial urea hydrolysis in groundwater to enhance calcite precipitation.},
  author={Yoshiko Fujita and Joanna L Taylor and Tina L T Gresham and Mark E Delwiche and Frederick S. Colwell and Travis L Mcling and Lynn M. Petzke and Robert W. Smith},
  journal={Environmental science & technology},
  volume={42 8},
Addition of molasses and urea was tested as a means of stimulating microbial urea hydrolysis in the Eastern Snake River Plain Aquifer in Idaho. Ureolysis is an integral component of a novel remediation approach for divalent trace metal and radionuclide contaminants in groundwater and associated geomedia, where the contaminants are immobilized by coprecipitation in calcite. Generation of carbonate alkalinity from ureolysis promotes calcite precipitation. In calcite-saturated aquifers, this… CONTINUE READING

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