NDLI: High gradient magnetic beneficiation of dry pulverized coal via upwardly directed recirculating fluidization

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High gradient magnetic beneficiation of dry pulverized coal via upwardly directed recirculating fluidization

Content Provider	United States Department of Energy Office of Scientific and Technical Information (OSTI.GOV)
Organization	Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
Abstract	This invention relates to an improved device and method for the high gradient magnetic beneficiation of dry pulverized coal, for the purpose of removing sulfur and ash from the coal whereby the product is a dry environmentally acceptable, low-sulfur fuel. The process involves upwardly directed recirculating air fluidization of selectively sized powdered coal in a separator having sections of increasing diameters in the direction of air flow, with magnetic field and flow rates chosen for optimum separations depending upon particulate size.
Related Links	https://www.osti.gov/biblio/863612
File Format	PDF
Patent Number	US 4212651
Language	English
Publisher Date	1980-01-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	gradient magnetic beneficiation dry pulverized coal via upwardly directed recirculating fluidization relates improved device method purpose removing sulfur ash whereby product environmentally acceptable lowsulfur fuel process involves air selectively sized powdered separator sections increasing diameters direction flow field rates chosen optimum separations depending particulate size circulating fluid removing sulfur flow rates process involves pulverized coal magnetic field flow rate air flow upwardly directed gradient magnetic dry pulverized environmentally acceptable powdered coal circulating air improved device magnetic beneficiation
Content Type	Text
Resource Type	Patent

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