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The kinetics and thermodynamics characteristics of Pb(II) and Cu(II) adsorption onto fly ash of a oil shale-fired power plant was investigated by using batch adsorption method. The results showed that Langmuir and Freundlich adsorption isotherms were applicable to the adsorption process, while Freundlich equation is more applicable. The mechanistic steps of the adsorption process was studied through...
Oil shale from the 4th layers of Dachengzi mines in Huadian was treated by the acid-type chemical solution process, and the experiment was optimized by the orthogonal method with three factors and three levels. Combustion characteristics of oil shale de-ash-like and the effect of ash content and temperature rising rate on combustion characteristics was investigated by thermogravimetric analysis method...
Thermogravimetric experiments were performed on Pyris-1 TGA thermal analyzer, and pyrolysis curves of four oil shale samples at different heating rates were obtained. According to Malek's method, the kinetic mechanism function of sample was determined by using the standard curves and experimental curves of y(??)-??. The influences of heating rates and species of oil shale samples on the kinetic mechanism...
The kinetics and thermodynamics characteristics of Cd(II) and Zn(II) adsorption onto fly ash of a oil shale-fired power plant was investigated by using batch adsorption method. The results showed that Langmuir and Freundlich adsorption isotherms were applicable to the adsorption process, while Freundlich equation is more applicable. The mechanistic steps of the adsorption process was studied through...
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