1、ADSORPTION,The removal of dissolved substances from solution using adsorbents such as activated carbon,The physical form of the GAC may depend on source of raw materials,MANUFACTURE OF ACTIVATED CARBON: DIFFERENT RAW MATERIALS,Prior carbonization for softer raw materials,MANUFACTURE OF ACTIVATED CAR
2、BON FROM COAL,ACTIVATION FURNACE TYPES,Rotary kiln ,Multiple Hearth ,DIFFERENT PHYSICAL FORMS OF ACTIVATED CARBON,First magnification of carbon granules,Continued magnification,Continued magnification,Continued conceptual magnification,Continued conceptual magnification,Continued conceptual magnific
3、ation,Scanning Electron Microscope Photo of GAC,Area of a few grams of activated carbon,Application Methodology,Granular Activated Carbon Columns,GAC Silos,Gas Purification,Contacting Column Internals,Typical isotherm solid-phase concentration (y-axis) vs liquid phase concentration (x-axis),This is
4、a favorable isotherm: higher solid-phase concentration at low liquid concentrations,Column Hydraulics,Which of these two “twins” pioneered adsorption modeling?,Langmuir!,Adsorptive Forces,The effect of molecular size and functional groups on adsorbability,Langmuir isotherm,Freundlich isotherm (linear scale),Freundlich isotherm, log-log scale,Freundlich isotherm, compared with real data,Four GAC columns in series,REACTIVATION OF ACTIVATED CARBON,Transport of GAC,Decentralized Multiple Hearth Regeneration Facility,