Bacterial deposition in unsaturated porous media as related to surface properties

被引：4

作者：

Chen, Gang ^{[1
]}

Subramaniam, Pawan Kumar ^{[1
]}

Tawfiq, Kamal ^{[1
]}

机构：

[1] FAMU FSU Coll Engn, Dept Civil & Environm Engn, Tallahassee, FL 32310 USA

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2010年 / 40卷 / 04期

关键词：

bacterial deposition; Surface property; Escherichia coli; Pseudomonas fluorescens; Bacills subtilis; WATER RECLAMATION; ADHESION; TRANSPORT; IMPACT; THERMODYNAMICS; HYDROPHOBICITY; DYNAMICS; CELLS; MODEL; REUSE;

D O I：

10.1504/IJEP.2010.031756

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Transport of Escherichia coli, Pseudomonas fluorescens and Bacillus subtilis in silica sand under water-unsaturated conditions was investigated using column experiments. It was hypothesised that bacterial deposition was due to their interactions within the pore environment, which was a function of their surface physicochemical properties as well as pore water chemistry. Surface thermodynamic properties of these bacterial strains were measured independently by means of contact angle measurements under different water saturation conditions using variable lawn moisture contents. Bacterial interactions with the liquid-gas interface and the porous media were calculated based on their Surface properties and were related to their transport observations.

引用

页码：363 / 379

页数：17

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