A revised model for microbially induced calcite precipitation: Improvements and new insights based on recent experiments
13. Climate action
0211 other engineering and technologies
02 engineering and technology
01 natural sciences
0105 earth and related environmental sciences
DOI:
10.1002/2014wr016503
Publication Date:
2015-05-05T14:49:03Z
AUTHORS (8)
ABSTRACT
Abstract The model for microbially induced calcite precipitation (MICP) published by Ebigbo et al. (2012) has been improved based on new insights obtained from experiments and calibration. challenge in constructing a predictive permeability reduction the underground with MICP is quantification of complex interaction between flow, transport, biofilm growth, reaction kinetics. New data Lauchnor (2015) whole‐cell ureolysis kinetics batch were incorporated into model, which allowed more precise relevant parameters as well simplification equations model. Further, calibrated objectively inverse modeling using quasi‐1D column radial flow experiment. From postprocessing modeling, comprehensive sensitivity analysis performed focus input that fitted course It reveals concentrations are particularly sensitive to associated rate attachment behavior biomass. Based determined sensitivities ranges values estimated inversion, it possible identify focal areas where further research can have high impact toward improving understanding engineering MICP.
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