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Revista Ciencias Técnicas Agropecuarias
versión On-line ISSN 2071-0054
Resumen
GUARDIA-PUEBLA, Yans et al. Multiple responses optimization on the anaerobic co-digestion of coffee wastewater with manures. Rev Cie Téc Agr [online]. 2016, vol.25, n.3, pp. 54-64. ISSN 2071-0054. http://dx.doi.org/10.13140/RG.2.2.32441.16483.
A simplex-centroid design, followed by an responses analysis using the response surface methodology (RSM) and the multiple responses optimization (MRO) were used for the maximization of methane production and percentage volatile solid removal (% VS removal) on the anaerobic co-digestion of three different substrates: coffee wastewater (CW), cattle manure (CM) and pig manure (PM). Responses surface analysis were investigates in accordance with the responses selected, and showed that the best mathematical models were quadratic (R2 = 97.3%) and special cubic (R2 = 93.2%), respectively. MRO showed that the optimum mixture, coffee wastewater = 39% and pig manure = 61%, achieve a high D function value (87.3%). At these conditions, high values of methane production of 1.09lmethane l-1 d-1 and % VS removal of 80.5% were predicted
Palabras clave : design of mixtures; response surface; volatile solid removal; methane production.