PREDICTING COLLISION EFFICIENCIES OF COLLOIDAL PARTICLES IN POROUS-MEDIA

被引:122
作者
ELIMELECH, M
机构
[1] Civil Engineering Department, University of California, Los Angeles
关键词
COLLOIDS; COLLOIDAL PARTICLES; COLLOID DEPOSITION; PARTICLE FILTRATION; COLLOIDAL STABILITY; COLLISION (ATTACHMENT) EFFICIENCY;
D O I
10.1016/0043-1354(92)90104-C
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A semi-empirical approach for predicting the collision (attachment) efficiency of particle deposition in porous media has been developed. Based on dimensional analysis, a quantitative relationship between the collision efficiency and a set of parameters characterizing the chemical-colloidal properties of the system has been derived. The results of this analysis show that the collision efficiency can be characterized by a one dimensionless parameter. Experimental collision efficiencies determined from controlled deposition experiments exhibited a strong correlation with this dimensionless parameter.
引用
收藏
页码:1 / 8
页数:8
相关论文
共 38 条
[1]   PARTICLE TRANSFER TO SOLID-SURFACES [J].
ADAMCZYK, Z ;
DABROS, T ;
CZARNECKI, J ;
VANDEVEN, TGM .
ADVANCES IN COLLOID AND INTERFACE SCIENCE, 1983, 19 (03) :183-252
[2]  
ALI W, 1984, WATER SCI TECHNOL, V17, P701
[3]   FINE PARTICLE DEPOSITION IN SMOOTH PARALLEL-PLATE CHANNELS [J].
BOWEN, BD ;
EPSTEIN, N .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1979, 72 (01) :81-97
[4]  
Buddemeier R.W., 1988, APPL GEOCHEM, V3, P535, DOI DOI 10.1016/0883-2927(88)90025-X
[5]   TRANSPORT OF COLLOIDAL PARTICLES OVER ENERGY BARRIERS [J].
CHARI, K ;
RAJAGOPALAN, R .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1985, 107 (01) :278-282
[6]  
Derjaguin B., 1941, ACTA PHYSICOCHIM URS, V14, P633, DOI DOI 10.1016/0079-6816(93)90013-L
[7]   EFFECT OF PARTICLE-SIZE ON COLLISION EFFICIENCY IN THE DEPOSITION OF BROWNIAN PARTICLES WITH ELECTROSTATIC ENERGY BARRIERS [J].
ELIMELECH, M ;
OMELIA, CR .
LANGMUIR, 1990, 6 (06) :1153-1163
[8]   KINETICS OF DEPOSITION OF COLLOIDAL PARTICLES IN POROUS-MEDIA [J].
ELIMELECH, M ;
OMELIA, CR .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 1990, 24 (10) :1528-1536
[9]  
Elimelech M, 1989, THESIS J HOPKINS U B
[10]  
FITZPATRICK JA, 1972, THESIS HARVARD U CAM