Abstract
Coal is one of the most important primary energy sources worldwide. With the shortage of water resources and increasing acid rain, the studies on dry coal beneficiation have become more and more important. In this study, a gas-vibro fluidized bed introducing active pulsing gas into an air-dense medium fluidized bed was used for the deash and desulfurization of fine coal. The effects of gas velocity and pulsation frequency on the separation efficiency were investigated. The results show that acted by the active pulsing air flow the separation efficiency was enhanced when the pulsation frequency (f) ranged from 3.49 Hz to 5.24 Hz. Inorganic sulfur species such as pyrites and sulfate were removed efficiently. The SO2 emission during coal combustion could be reduced evidently after separation.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
