Browse Publications Technical Papers 2005-01-3081
2005-07-11

Magnetically Assisted Gasification of Solid Wastes: Comparison of Reaction Strategies 2005-01-3081

Gradient magnetically assisted fluidized bed (G-MAFB) methods are under development for the decomposition of solid waste materials in microgravity and hypogravity environments. The G-MAFB has been demonstrated in both laboratory and microgravity flight experiments. In this paper we summarize the results of gasification reactions conducted under a variety of conditions, including: combustion, pyrolysis (thermal decomposition), and steam reforming with and without oxygen addition. Wheat straw, representing a typical inedible plant biomass fraction, was chosen for this study because it is significantly more difficult to gasify than many other typical forms of solid waste such as food scraps, feces, and paper. In these experiments, major gasification products were quantified, including: ash, char, tar, carbon monoxide, carbon dioxide, methane, oxygen, and hydrogen. These data illustrate the variation of reaction byproducts, which result from the different solid waste decomposition reaction schemes and provide the basis for the design of mission specific magnetically assisted gasification reactors.

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