We present a unifying framework for generating extended formulations for the polyhedral outer approximations used in algorithms for mixed-integer convex programming (MICP). Extended formulations lead to fewer iterations of outer approximation algorithms and generally faster solution times. First, we observe that all MICP instances from the MINLPLIB2 benchmark library are conic representable wit...

Contamination by radioactive strontium ((90)Sr) is a significant environmental problem. Ureolytically driven calcium carbonate precipitation has been proposed for use in geotechnical engineering for soil remediation applications. In this study, 68 ureolytic bacterial strains were newly isolated from various environments. Of these, 19 strains were selected based on ureolytic activity shown when ...

Abstract A coupled bio-chemo-hydro-mechanical model (BCHM) is developed to investigate the permeability reduction and stiffness improvement in soil by microbially induced calcite precipitation (MICP). Specifically, our based on geometric method a link between micro- macroscopic features generated. This allows capture material property changes caused variations microstructure during MICP. The wa...

Metal isotope coded profiling (MICP) introduces a universal discovery platform for metal chelating natural products that act as metallophores, ion buffers or sequestering agents. The detection of cation and oxoanion complexing ligands is facilitated by the identification of unique isotopic signatures created by the application of isotopically pure metals.

Biomineralization processes utilizing microbial-induced carbonate precipitation (MICP) have recently shown promise as an effective approach for remediating heavy metal contamination. This article offers a comprehensive review of the latest research on MICP-mediated remediation, with focus characteristics metals in treated environment, such copper, cadmium, lead, nickel, zinc, chromium, and mixe...

A main challenge in the large-scale application of microbially induced carbonate precipitation (MICP) technique includes low efficiency cementation coarse grains. Actually, MICP treatment process, effect bonding points was more important than pore filling due to large porosity for To achieve a better at between particles, quick formation and growth biofilm is necessary. In this study, an optimi...

This paper includes an investigation of the thermal conductivity biocemented soils to better understanding regimes heat transmission through treated by microbially induced calcium carbonate precipitation (MICP). A series tests using transient plane source method (TPS) was performed on silica sand specimens with different gradations, void ratios, and MICP treatment cycles. The results showed tha...