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A Review of the Chemical and Physical Mechanisms of the Storage Stability of Fast Pyrolysis Bio-Oils

content decreased (Agblevor et al. 1994). The equivalents of chlorine per equivalent of alkali or alkaline earth metals increased from 3.4 to 8.5 during this filtration. This suggests that the residual inorganics may be present as chlorides and that much of the chlorine may be in solution. Chloride ions in solution will have an adverse effect on corrosion of many metals, including stainless steels such as SS304. Compared to coal and many crude oils, biomass has a low sulfur content. Table 2 reveals that the small amount of sulfur in the biomass feed becomes concentrated in the char, rather than in the bio-oil. 3.0 PROBABLE CHEMICAL MECHANISMS OF. | January 2000 NREL SR-570-27613 A Review of the Chemical and Physical Mechanisms of the Storage Stability of Fast Pyrolysis Bio-Oils J.P. Diebold Thermalchemie Inc. Lakewood Colorado National Renewable Energy Laboratory 1617 Cole Boulevard Golden Colorado 80401-3393 NREL is a U.S. Department of Energy Laboratory Operated by Midwest Research Institute Battelle Bechtel Contract No. DE-AC36-99-GO10337 January 2000 NREL SR-570-27613 A Review of the Chemical and Physical Mechanisms of the Storage Stability of Fast Pyrolysis Bio-Oils J.P. Diebold Thermalchemie Inc. Lakewood Colorado NREL Technical Monitor Stefan Czernik Prepared under Purchase Order Number 165134 National Renewable Energy Laboratory 1617 Cole Boulevard Golden Colorado 80401-3393 NREL is a U.S. Department of Energy Laboratory Operated by Midwest Research Institute Battelle Bechtel Contract No. DE-AC36-99-GO10337 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof nor any of their employees makes any warranty express or implied or assumes any legal liability or responsibility for the accuracy completeness or usefulness of any information apparatus product or process disclosed or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product process or service by trade name trademark manufacturer or otherwise does not necessarily constitute or imply its endorsement recommendation or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. Available electronically at http www.doe.gov bridge Available for a processing fee to U.S. Department of Energy and its contractors in paper from U.S. Department of Energy Office of Scientific and Technical Information P.O. Box 62 Oak Ridge TN .