1995
DOI: 10.1016/0892-6875(94)00126-w
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Preliminary study of correlations between fine coal characteristics and properties and their dewatering behaviour

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Cited by 26 publications
(15 citation statements)
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“…been understood that presence of ions in the process water can alter surface properties of the suspended particles and their flocculation characteristics [2]. Both in centrifuge and filtration, a cake bed is formed, which imparts resistance to the passage of water.…”
Section: Dewatering Challenges 169mentioning
confidence: 99%
See 1 more Smart Citation
“…been understood that presence of ions in the process water can alter surface properties of the suspended particles and their flocculation characteristics [2]. Both in centrifuge and filtration, a cake bed is formed, which imparts resistance to the passage of water.…”
Section: Dewatering Challenges 169mentioning
confidence: 99%
“…For fine coal, the factors that influence product moisture after it comes out of the centrifuge include the total pore volume, the specific surface area of the feed, amount of ultrafine particles [1], water conductivity, and total dissolved solids [2,3]. The specific surface area is the surface area of the coal divided by the volume of the coal.…”
Section: Introductionmentioning
confidence: 99%
“…Rong and Hitchins [4] conducted dewatering experiments on 25 fine coal samples from 21 Australian coal preparation plants and attempted to correlate particle properties to their dewatering behavior. It was seen that an increase in equilibrium moisture of the coal sample showed a corresponding increase in the filter cake residual moisture.…”
Section: Filter Press Performance Enhancementsmentioning
confidence: 99%
“…The effect of the particle properties and dispersion characteristics on the filtration and dewatering of solid suspensions in liquids has long been recognized [1][2][3]. Studies of many mineral-water systems have established that properties such as solids content [4], particle size distribution [5,6], particle hydrophobicity [7], particle sphericity [7,8], surface charge [9][10][11], and surface tension [11] influence the dewatering performance.…”
Section: Filter Press Performance Enhancementsmentioning
confidence: 99%
“…In addition to surface deposition and pore throat binding, the surface properties of clay were found to be greater influencing factors in causing coal fines accumulation in the prop pant pack. The surface characteristics of coal fines include surface area, pore volume and size distribution, wettability, and electrical property [13]. The surface of fines has very strong adsorption because of its greater surface area or pore volume, surface roughness, and surface energy, which cause coal fines to aggregate [14][15][16][17][18].…”
Section: Fines Retention Mechanismsmentioning
confidence: 99%