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Ingeniare. Revista chilena de ingeniería

On-line version ISSN 0718-3305


CURVELO SANTANA, José C; DE ARAUJO, Sidnei A; M. BIAZUS, Joana P  and  DE SOUZA, Roberto R. Simulation of biodegradation process of wastewater from meat industry by means of a multilayer perceptron artificial neural network. Ingeniare. Rev. chil. ing. [online]. 2015, vol.23, n.2, pp.269-275. ISSN 0718-3305.

In this paper, the use of a multilayer perceptron (MLP) artificial neural network (ANN) is proposed to simulate the variation of protein concentration according to the time and also to determine the end and optimal conditions of the biodegradation process of wastewater from meat industry. To reduce the protein concentration, papains from Carica papaya latex have been used at controlled condition of pH (5 and 7) and temperature (25 and 30 °C). Results showed that a reduction of 82 to 91% of protein concentration by the action of papains for 30 to 40 h of process time. Simulations showed that the best condition of the process occurred at pH 5, 30 °C and 35 h, in which a maximum biodegradation of 91% was obtained.

Keywords : Neural network; multilayer perceptron; simulation; effluent treatment; proteins.

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