Mathematical model of biofilm induced calcite precipitation

被引：48
|
作者：
Zhang, T. [1 ]
Klapper, I.
机构：
[1] Montana State Univ, Dept Math Sci, Bozeman, MT 59717 USA
来源：
WATER SCIENCE AND TECHNOLOGY | 2010年 / 61卷 / 11期
基金：
美国国家科学基金会;
关键词：
biofilm; calcite precipitation; mixture model; ureolysis; SEAWATER; KINETICS;
D O I：
10.2166/wst.2010.064
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Microbially modulated carbonate precipitation is a fundamentally important phenomenon of both engineered and natural environments. In this paper, we propose a mixture model for biofilm induced calcite precipitation. The model consists of three phases - calcite, biofilm and solvent - which satisfy conservation of mass and momentum laws with addition of a free energy of mixing. The model also accounts for chemistry, mechanics, thermodynamics, fluid and electrodiffusion transport effects. Numerical simulations qualitatively capturing the dynamics of this process and revealing effects of kinetic parameters and external flow conditions are presented.
引用
收藏
页码：2957 / 2964
页数：8
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