Kinetics of calcite precipitation induced by ureolytic bacteria at 10 to 20 C in artificial groundwater

FG Ferris, V Phoenix, Y Fujita, RW Smith - Geochimica et Cosmochimica …, 2004 - Elsevier
The kinetics of calcite precipitation induced in response to the hydrolysis of urea by Bacillus
pasteurii at different temperatures in artificial groundwater (AGW) was investigated. The …

The coprecipitation of Sr into calcite precipitates induced by bacterial ureolysis in artificial groundwater: temperature and kinetic dependence

AC Mitchell, FG Ferris - Geochimica et Cosmochimica Acta, 2005 - Elsevier
A suite of experiments was performed to investigate the partitioning of Sr2+ (to mimic the
radionuclide 90Sr) between calcite and artificial groundwater in response to the hydrolysis …

The Influence of Bacillus pasteurii on the Nucleation and Growth of Calcium Carbonate

AC Mitchell, FG Ferris - Geomicrobiology Journal, 2006 - Taylor & Francis
Microcosm experiments were performed to identify the influence of bacterial cell surfaces on
the morphology, mineralogy, size and solubility of CaCO3 precipitated in response to the …

Comparison of rates of ureolysis between Sporosarcina pasteurii and an indigenous groundwater community under conditions required to precipitate large volumes of …

DJ Tobler, MO Cuthbert, RB Greswell, MS Riley… - … et Cosmochimica Acta, 2011 - Elsevier
Ureolysis-driven calcite precipitation has potential to seal porosity and fracture networks in
rocks thus preventing groundwater flow and contaminant transport. In this study urea …

Stimulation of microbial urea hydrolysis in groundwater to enhance calcite precipitation

Y Fujita, JL Taylor, TLT Gresham… - … science & technology, 2008 - ACS Publications
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 …

Subscribed content calcium carbonate precipitation by ureolytic subsurface bacteria

Y Fujita, FG Ferris, RD Lawson, FS Colwell… - Geomicrobiology …, 2000 - Taylor & Francis
Coprecipitation in carbonate minerals offers a means of slowing the transport of divalent
radionuclides and contaminant metals (eg, 90Sr2+, UO2+, Co2+) in the subsurface. It may …

Experimental and numerical modeling of bacterially induced pH increase and calcite precipitation in saline aquifers

S Dupraz, M Parmentier, B Ménez, F Guyot - Chemical Geology, 2009 - Elsevier
As a part of an effort to investigate potential implications of microbial activity upon CO2
geological sequestration, both the alkalinization of a urea-containing artificial ground water …

Strontium incorporation into calcite generated by bacterial ureolysis

Y Fujita, GD Redden, JC Ingram, MM Cortez… - … et cosmochimica acta, 2004 - Elsevier
Strontium incorporation into calcite generated by bacterial ureolysis was investigated as part
of an assessment of a proposed remediation approach for 90Sr contamination in …

A revised model for microbially induced calcite precipitation: Improvements and new insights based on recent experiments

J Hommel, E Lauchnor, A Phillips… - Water Resources …, 2015 - Wiley Online Library
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 model …

Microbially mediated calcium carbonate precipitation: implications for interpreting calcite precipitation and for solid-phase capture of inorganic contaminants

LA Warren, PA Maurice, N Parmar… - Geomicrobiology …, 2001 - Taylor & Francis
Microbial degradation of urea was investigated as a potential geochemical catalyst for Ca
carbonate precipitation and associated solid phase capture of common groundwater …