Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Modeling multidimensional and multispecies biofilms in porous media

Journal Article · · Biotechnology and Bioengineering
DOI:https://doi.org/10.1002/bit.26292· OSTI ID:1401768
 [1];  [2]
  1. Department of Civil and Environmental Engineering Florida A&,M University‐Florida State University College of Engineering Florida State University Tallahassee Florida
  2. School of Energy and Power Engineering Xi'an Jiaotong University Xi'an Shaanxi 710049 China
ABSTRACT

Modeling multidimensional and multispecies biofilm in porous media at the pore scale is challenging due to the need to simultaneously track the microbial community in the biofilms and the interfaces between the biofilms and the fluid. Therefore, researchers usually assume that the model has only one dimension in space or has only one microbial species. This work uses bioremediation of U(VI)‐contaminated groundwater as the context to develop a two‐dimensional and multispecies biofilm model. The model simulates the transverse mixing zone in which U(VI) is mixed with propionate, a nutrient externally supplied to stimulate the growth of microorganisms. The model considers multiple interactions among fluid flow, transport and reaction of chemical species, and growth of biofilm. The biofilm consists of two types of active biomass (syntrophs and dissimilatory metal reducing bacteria [DMBR]) and inert biomass. The two types of active biomass collaboratively remove U(VI). The model outputs biomass distribution, chemical species concentrations, and fluid flow at the pore scale to fundamentally study the multiple interactions. The model also outputs the contaminant removal rate that can be potentially used for up‐scaling studies. The simulated results are generally consistent with experimental observations from other studies in trend. The trend can be explained by the multiple interactions based on thermodynamics and microbial kinetics. Biotechnol. Bioeng. 2017;114: 1679–1687. © 2017 Wiley Periodicals, Inc.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0006771
OSTI ID:
1401768
Journal Information:
Biotechnology and Bioengineering, Journal Name: Biotechnology and Bioengineering Journal Issue: 8 Vol. 114; ISSN 0006-3592
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United States
Language:
English

References (34)

Effect of diffusive and convective substrate transport on biofilm structure formation: A two-dimensional modeling study journal January 2000
An improved pore-scale biofilm model and comparison with a microfluidic flow cell experiment: A PORE-SCALE BIOFILM MODEL AND COMPARISON WITH AN EXPERIMENT journal December 2013
Three-dimensional simulations of biofilm growth in porous media journal February 2009
Reduction kinetics of Fe(III), Co(III), U(VI), Cr(VI), and Tc(VII) in cultures of dissimilatory metal-reducing bacteria journal October 2002
A multispecies biofilm model journal March 1986
The Impact of Fe(III)-reducing Bacteria on Uranium Mobility journal April 2006
Degradation kinetics of acetate and propionate by immobilized anaerobic mixed cultures journal June 1995
Modeling of biomass-plug development and propagation in porous media journal February 2004
Pore-scale simulation of liquid CO2 displacement of water using a two-phase lattice Boltzmann model journal November 2014
High-resolution monitoring of biogeochemical gradients in a tar oil-contaminated aquifer journal June 2008
A reactive transport modeling approach to simulate biogeochemical processes in pore structures with pore-scale heterogeneities journal April 2012
Enhanced biodegradation by hydraulic heterogeneities in petroleum hydrocarbon plumes journal February 2009
A thermodynamically-based model for predicting microbial growth and community composition coupled to system geochemistry: Application to uranium bioreduction journal March 2010
Microbial physiology-based model of ethanol metabolism in subsurface sediments journal July 2011
An improved cellular automaton method to model multispecies biofilms journal October 2013
Modelling and predicting biofilm structure book October 2000
Modeling Kinetic Processes Controlling Hydrogen and Acetate Concentrations in an Aquifer-Derived Microcosm journal September 2003
Simultaneous Utilization of Acetate and Hydrogen by Geobacter sulfurreducens and Implications for Use of Hydrogen as an Indicator of Redox Conditions journal May 2005
Development and Sensitivity Analysis of a Fully Kinetic Model of Sequential Reductive Dechlorination in Groundwater journal October 2011
Immobilization of Selenite via Two Parallel Pathways during In Situ Bioremediation journal March 2015
Mineral Transformation and Biomass Accumulation Associated With Uranium Bioremediation at Rifle, Colorado journal July 2009
Effects of Pore-Scale Heterogeneity and Transverse Mixing on Bacterial Growth in Porous Media journal April 2010
Practical Considerations for Measuring Hydrogen Concentrations in Groundwater journal October 1997
Pore-scale modeling of biological clogging due to aggregate expansion: A material mechanics approach journal December 2001
Simulations of two-dimensional modeling of biomass aggregate growth in network models journal December 2001
Pore-scale simulation of biomass growth along the transverse mixing zone of a model two-dimensional porous medium: PORE-SCALE SIMULATION OF BIOMASS GROWTH journal July 2005
Microbial reduction of uranium journal April 1991
Quantitative Cellular Automaton Model for Biofilms journal September 2001
Biofilm development and the dynamics of preferential flow paths in porous media journal October 2013
An Analysis Platform for Multiscale Hydrogeologic Modeling with Emphasis on Hybrid Multiscale Methods journal March 2014
Imaging biofilm in porous media using X-ray computed microtomography: IMAGING BIOFILM IN POROUS MEDIA USING X-RAY COMPUTED MICROTOMOGRAPHY journal September 2010
Energy conservation in chemotrophic anaerobic bacteria. journal January 1977
Pore-Scale Model for Reactive Transport and Biomass Growth journal January 2009
The thermodynamics and kinetics of microbial metabolism journal April 2007

Similar Records

Microbiological-enhanced mixing across scales during in-situ bioreduction of metals and radionuclides at Department of Energy Sites
Technical Report · Tue Oct 20 00:00:00 EDT 2015 · OSTI ID:1223732

A hybrid pore‐scale and continuum‐scale model for solute diffusion, reaction, and biofilm development in porous media
Journal Article · Mon Mar 30 20:00:00 EDT 2015 · Water Resources Research · OSTI ID:1402156

Biofilm Shows Spatially Stratified Metabolic Responses to Contaminant Exposure
Journal Article · Thu Nov 01 00:00:00 EDT 2012 · Environmental Microbiology, 14(11):2901-2910 · OSTI ID:1054430

Related Subjects