منابع مشابه
Modeling of the Unburned Carbon in Fly Ash
Numerical simulation of the content of unburned carbon in fly ash on the 300MW tangentially pulverized coal fired boiler is performed by the numerical simulation software COALFIRE, which is based on international advanced TASCFLOW software platform. Firstly, take the result of calculation of number value as the sample, and then set up the support vector machine model of unburned carbon content ...
متن کاملPrediction of the Unburned Carbon Content of Fly Ash in Coal-Fired Power Plants
Prediction of carbon content in fly ash is a valuable index in both designing and optimizing coal-fired boilers. In this study, methods of multiple regression (MR), decision trees (DT), and support vector regression (SVR) were used for prediction of unburned carbon content of fly ash in a 300-MW power plant with a tangentially fired furnace using a low-NOx concentric firing system. Twenty-one b...
متن کاملRemoval of unburned carbon from municipal solid waste fly ash by column flotation.
Unburned carbon (UC) is the major source of organic contaminants in municipal solid waste (MSW) fly ash. So most organic contaminants can be removed by the removal of the UC from the MSW fly ash. In this paper, we first used a technique of column flotation to remove UC from MSW fly ash. The influences of column flotation parameters on the recovery efficiency of UC were systematically studied. I...
متن کاملUnburned Carbon from Fly Ash for Mercury Adsorption: II. Adsorption Isotherms and Mechanisms
Adsorption behavior of unburned carbons from fly ash has been investigated in this study. Batch tests and column test were carried out for several unburned carbon samples from various ash sources and processing schemes. Adsorption isotherms have been obtained from these tests. Results show that the unburned carbons have equal or better adsorption capacity for elemental mercury comparing with so...
متن کاملOn Unburned Carbon in Coal Ash from Various Combustion Units
Work is focused to the study of unburned carbon in ash from coal (and wastes) combustion in 8 combustion tests at 3 fluidised-bed power station, at co-combustion of coal and wastes (also at fluidized bed) and at bench-scale unit simulating coal combustion in small domestic furnaces. The attention is paid to unburned carbon contents in bottom ashes and fly ashes at these 8 combustion tests and t...
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ژورنال
عنوان ژورنال: Energy and Power Engineering
سال: 2009
ISSN: 1949-243X,1947-3818
DOI: 10.4236/epe.2009.12014