International Conference on Mechanical Engineering and Technology (ICMET-London 2011)
24 Computational Modeling of Biomineral Carbonate Precipitation in Porous Sand Column at Micro Scale
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Microbial carbonate precipitation (MCP) is a process increasingly studied with the goal to exploit it to adapt mechanical soil properties for desired land uses. Fundamental understanding of key processes in MCP is needed in order to obtain a controllable full-scale application. Besides experimental investigations, mathematical modeling can help by creating a logical framework in which experiments can be interpreted and, if developed enough, predictions can be made. In this study we developed a numerical model that takes into account the various processes governing MCP at micro-scale (mm). Processes investigated include fluid flow, solute transport, crystal growth and deposition, and the...