Cleaning of Coal by Multi Gravity Separator

Conventional and recent advances in gravity separation technologies for coal cleaning: A systematic and critical review

“…MGS was applied for the treatment of ultrafine coal as well as tailing pond deposits [ 276 , 277 ]. Statical optimization using response surface methodology based on Box-Behnken design (RSM-BBD) was used to analyze the effects of input parameters (i.e., drum inclination, drum rotation speed, and shaking frequency) on the output parameters (i.e., %yield, %ash, and %recovery) [ [277] , [278] , [279] ]. Similarly, empirical equations to estimate as a coal recovery were derived by Özgen et al (2011) using a least square method via Minitab15 [ 274 ].…”

Characterization of Organic Matter from Bituminous Coals of Lafia-Obi, Middle Benue Trough, Nigeria

“…The importance of paraffinicity of coal for generating and expelling liquid hydrocarbons has received great attention (Isasken et al, 1998;Killops et al, 1998). Coal is the major conventional source of energy, which has eventually made the industrial revolution possible and 70% of growing energy demand has been largely met by the coal (Chaurasia and Nikkam, 2016;Chaurasia et al, 2018;Sahu et al, 2018). The unconventional resources are becoming increasingly important for energy requirement and focus has been given by scientists, researchers, and policy makers (Akanksha et al, 2017(Akanksha et al, , 2019Suman et al, 2017;Yadav et al, 2017).…”