摘要：The study was aimed at modeling rate of mass (diffusing particles) transfer during bio-coagulation/flocculation of coal-rich wastewater at different operating conditions. Diffusion equation was developed from law of conservation of mass and partial differential equations were used to describe rate of mass transfer during the process. The equations were firstly solved by method of separation of variables which resulted to initial-boundary value problem. Then, integral properties were used to calculate Fourier coefficient of the series. Codes were later developed in MATLAB enviroment for computer simulation. The predicted results were compared with experimental data obtained from the literature and it was found in good agreement. The predicted results could be further used for the design, control and optimization of bio-coagulation process.
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