Influence of concentration of suspended particles on transport and deposition characteristics in saturated porous media

被引：0

作者：

Chen Xing-xin ^{[1
]}

Bai Bing ^{[1
]}

Yan Yu-long ^{[1
]}

Jia Ding-yun ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Sch Civil Engn, Beijing 100044, Peoples R China

来源：

ROCK AND SOIL MECHANICS | 2012年 / 33卷 / 08期

关键词：

suspended particle; concentration; saturated porous media; transport; deposition;

D O I：

暂无

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Suspended particles transport and deposition in porous media play an important role in pollutant purification, oil exploration, nuclear waste disposal, water-soil conservation. In order to study the effect of suspended particles concentration on the breakthrough curves, 4 different suspended particle concentrations have been studied under 3 flow velocities in columns of saturated porous media. The studies show that, under constant suspended particle concentration, the relative concentration is increase with the flow velocity. Meanwhile, under a constant flow velocity, there exists a critical concentration for suspended particles. Below the critical concentration, relative concentration in breakthrough curves is in creased with the suspended particles concentration; but the trend is inversely when the suspended particle concentration is more than the critical value. Besides, the critical concentration of suspended particles is related to the flow velocity; the critical value is increased with the flow velocity.

引用

页码：2343 / 2348

页数：6