No.43 バイオマス燃焼灰の林地還元利用に向けた基礎的検討 : ペレットストーブにおけるクリンカー形成の調査(バイオマス(1))

概要

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From the perspective of the matter cycle, a method to use biomass combustion ash as a fertilizer in the production of seedlings and silviculture is suggested. Ash from silica-rich biomass has high solubility due to its silicate microstructure, which makes it very effective as a fertilizer. However, the solubility is lost, along with the porous microstructure, when combustion ash is crystallized in a high temperature oxidative atmosphere. In addition, because the furnace is commonly made of stainless steel that contains chromic element and a high percentage of water is included in biomass, unlike fossil fuel, harmful hexavalent chromium may be found in the combustion ash. In this report, the progress of a study for the reduction of ash crystallization is described.
2012-10-15