Upgrading of Vang Danh Coal Fines Using Reflux Flotation Cell

2020 ◽  
pp. 436-452
Author(s):  
Nhu Thi Kim Dung ◽  
Nguyen Hoang Son ◽  
Vu Thi Chinh ◽  
Tran Van Duoc
Keyword(s):  
Flotation Cell ◽  
Coal Fines

Split Processing of High Ash Indian Coking Coal Fines Using Jameson Flotation Cell

2010 ◽  
Vol 32 (1) ◽  
pp. 17-23 ◽  
Author(s):  
A. Das ◽  
R. Singh ◽  
K. K. Bhattacharyya
Keyword(s):  
Coking Coal ◽  
Flotation Cell ◽  
Coal Fines

scholarly journals Study on the effects of some parameters on the flotation performance of Vang Danh coal fines -0.3 mm in the reflux flotation cell

2020 ◽  
Vol 61 (2) ◽  
pp. 68-75 ◽  
Author(s):  
Dung Kim Thi Nhu ◽  
Son Hoang Nguyen ◽  
Chinh Thi Vu ◽  
Duoc Van Tran ◽  
Keyword(s):  
High Capacity ◽  
Wash Water ◽  
Pressurized Water ◽  
Flotation Reagents ◽  
Bubble Liquid ◽  
Flotation Column ◽  
Flotation Cell ◽  
Flotation Columns ◽  
Liquid Segregation ◽  
Coal Fines

In the world, the coal fines usually are upgraded in flotation columns (Jameson, Pneufloat, Microcell,...). The reflux flotation cell is a novel type of flotation column that uses a system of inclined channels to enhance bubble - liquid segregation in flotation. Additionally, in this type of device, it is used a special froth washing mechanism with pressurized water to ameliorate the quality of cleaned coals. This type of device has a simple structure, high capacity and allows to receive cleaned coals of high quality. This paper presents the test results of coal fines samples -0,3mm from Vang Danh Mine by flotation in a laboratory Reflux flotation cell. In the test works, some process parameters are investigated and optimized: flotation time, pulp density, feed rate, froth height, wash water, and flotation reagents regime.

Quantification of foaming behaviour using foam index

2000 ◽  
Vol 42 (3-4) ◽  
pp. 423-428
Author(s):  
W.J. Ng ◽  
S.L. Ong ◽  
N. Sarada ◽  
J.Y. Hu ◽  
X.J. Fan ◽  
...  
Keyword(s):  
Small Concentration ◽  
Factors Influencing ◽  
Flotation Cell ◽  
Foam Index

The factors influencing foam index were identified and their effects on foam index were investigated. It was noted that increasing the diameter of the flotation cell led to an increase in foam index. The maximum foam index was found to occur at a constant air/solids ratio when MLSS was varied with time of aeration or airflow. A good degree of correlation was also obtained between filament count and foam index. A small concentration of Surfactants was sufficient to induce foaming. However, further increase in surfactants showed relatively little influence on Foam Index.

A Novel Beneficiation Scheme for A Medium Coking Coal Fines from India

2008 ◽  
Vol 28 (4) ◽  
pp. 189-200 ◽  
Author(s):  
A. Das ◽  
B. Sarkar ◽  
A. Vidyadhar ◽  
Alok K. Singh ◽  
K. K. Bhattacharyya
Keyword(s):  
Coking Coal ◽  
Coal Fines

Experimental investigation of multi-phase hydrodynamics and bubble-particle interactions in a Wemco 56 flotation cell

2021 ◽  
Vol 172 ◽  
pp. 107115
Author(s):  
Yihuan Yan ◽  
William Yang ◽  
Xiang Fang ◽  
Ping Yan ◽  
Jiyuan Tu
Keyword(s):  
Experimental Investigation ◽  
Particle Interactions ◽  
Flotation Cell ◽  
Multi Phase
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