This semi-annual technical progress report describes work performed at Morehouse College under DOE Grant No. DE-FC26-04NT42130 during the period January 01, 2005 to June 30, 2005 which covers the second six months of the project. Presently work is in progress to characterize surface area, volume, mass, and density distributions for sized biomass particles. During this reporting period, Morehouse has completed testing of the gravimetric technique measurement system that was set up in the last reporting period, and a preliminary result for the mean particle mass of the biomass sample tested was obtained. Simultaneously, REM, our subcontractor, has completed calibration of the video based imaging systems and diode-array imaging system that are employed to characterize shape and mass for individual biomass particles. Subsequently, a few actual biomass particles were caught in the electrodynamic balance (EDB), raw data for shape and mass collected and analyzed, and the shape measurement system was found to be working satisfactorily. Preliminary results of the mean mass and the shape data obtained in this reporting period are very encouraging, and more data collection is in progress.
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