Essays about: "ash retention"
Found 3 essays containing the words ash retention.
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1. Propensity of bed materials used in dual fluidized beds to retain ash-forming elements from biomass fuels
University essay from SLU/Dept. of Energy and TechnologyAbstract : The main aim of this work was to investigate the propensity of bed materials to retain ash-forming elements from biomass under conditions relevant to dual fluidized bed gasification (DFBG). The investigation was carried out in a laboratory-scale bubbling fluidized bed reactor in which biomass was gasified with steam and the unconverted char was combusted in the temperature range 800–900 ° C. READ MORE
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2. Propensity of bed materials used in dual fluidized beds to retain ash-forming elements from biomass fuels
University essay fromAbstract : The main aim of this work was to investigate the propensity of bed materials to retain ash-forming elements from biomass under conditions relevant to dual fluidized bed gasification (DFBG). The investigation was carried out in a laboratory-scale bubbling fluidized bed reactor in which biomass was gasified with steam and the unconverted char was combusted in the temperature range 800–900 ° C. READ MORE
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3. Urine drying with ash and lime at temperatures 20-60°C : nutrient recovery from source separated urine
University essay from SLU/Dept. of Energy and TechnologyAbstract : Utilization of source-separated urine in agricultural production has been practiced and different treatment options have been developed in last two decades. The purpose of this study was to develop a drying technique for untreated human urine added to ash and lime as drying agent at temperature 20-60°C. READ MORE