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The effect of solution temperature and the determination of the kinetic parameters of methylene blue (MB) adsorption onto cereal chaff were performed to understand the adsorption mechanism. The pseudo-second order kinetic model was fitted to the experimental data and found it was good to predict the adsorption behavior using nonlinear regressive method, suggesting that the mechanism may be a chemisorption...
Biosorption of organic pollutants, expressed as COD, by aerobic and anaerobic sludge was conducted to examine equilibrium and kinetic models. Freundlich and Langmuir models were mostly used for mathematical description of the biosorption equilibrium. Freundlich equation was more fit to describe the equilibrium of biosorption process in this study. Under the same experimental condition, biosorptive...
This study attempted to find the adsorption law of fly ash to COD in domestic sewerage. After the elementary characterization of fly ash was described, the influence of contact time, sorbent concentration, and different pretreatment ways of fly ash, initial COD concentration and temperature on the adsorption process was investigated. Results showed adsorption equilibrium attained within 120 min time...
At present, activated sludge model has great value and can be used to improve the study, design and optimum operation of wastewater treatment around the world. It has been applied widely in the world. In this paper, the application and calibration of Activated Sludge Model No.l in the practical wastewater treatment plant had been implemented. The characterization and parameter of the outfluent from...
With a copper removal experiment, this paper verified a new mathematical model of Emulsion Liquid Membrane (ELM) extracting hazard metal from waste water. The experimental data were put into the newly developed mathematical model of ELM. Mathematical model prediction of the copper concentration in aqueous phase were compared with the copper removal experimental data. The deviation of the model and...
Establishment concentrate distributed mathematical model of the whole tower under the condition of continuous foam separation with SDS as active agent , and the effect of the wastewater of Cr (III) to remove in different feeding high. The model has been tested by experiments. The Results indicated that the model is consistent with the data of experiments to a considerable degree.
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