Electrical conductivity of packed particle beds

1988 ◽  
Vol 24 (6) ◽  
pp. 1050-1056 ◽  
Author(s):  
J. Bares
Keyword(s):  
Electrical Conductivity ◽  
Packed Particle ◽  
Particle Beds ◽  
Packed Particle Beds

Heat Transfer Between Gas-Solid Phases Within Packed Particle Beds

2011 ◽  
Vol 29 (2) ◽  
pp. 151-162
Author(s):  
X. D. Nie ◽  
R. W. Besant ◽  
R. W. Evitts
Keyword(s):  
Heat Transfer ◽  
Packed Particle ◽  
Solid Phases ◽  
Particle Beds ◽  
Packed Particle Beds

Effect of Bio-Leaching Process on the Pore Structure of Packed Particle Bed via 3D Imaging and Analysis

2013 ◽  
Vol 825 ◽  
pp. 344-347 ◽  
Author(s):  
Ai Xiang Wu ◽  
Bao Hua Yang ◽  
Jin Zhi Liu ◽  
Xiu Xiu Miao
Keyword(s):  
Pore Structure ◽  
Copper Sulfide ◽  
3D Imaging ◽  
Heap Leaching ◽  
Low Grade ◽  
Sulfide Ores ◽  
Ct Scanner ◽  
Packed Particle ◽  
Leaching Process ◽  
Particle Beds

Heap bio-leaching technology is extensively applied to recover metals from low-grade complex ores in the mining industry, particularly the copper sulfide ores. Understanding the effect of bio-leaching process on the pore structure of packed particle beds is important to enhance the percolation and leaching performances with respect to design and operation of heap leaching system. The porosity, pore size distribution and degree of pore connectivity are the three most important features correlated with fluid flow in heap leaching operation. In this study, a spiral X-ray CT scanner, combined with 3D imaging and analysis, was used to characterize the complex pore structure of the packed ore particle beds before and after bioleaching copper sulfide ores. The results indicate that the pore structure has temporal and spatial variations during bio-leaching process.

Sign in / Sign up

Export Citation Format

Share Document