Efficiency of removal in stabilization ponds. II - Statistical analysis of K values

Citation:
Mendes, B. S., M. J. Nascimento, M. I. Pereira, G. Bailey, N. Lapa, J. Morais, and J. F. Santos Oliveira. "Efficiency of removal in stabilization ponds. II - Statistical analysis of K values." Water Science and Technology. 31.12 (1995): 231-238.

Abstract:

The analytical values obtained from five WSP systems located in different ecoclimatic zones in the centre and South of Portugal, were subjected to a statistical analysis of K and K20 values (as used in the van Hoff-Arrhenius equation) utilizing an analysis of variance and a vectorial analysis of principal components. Significant differences between K and K20 values in facultative, maturation ponds and in the whole system were verified. The projection of the first principal components of eigenvectors made possible the classification of the stations, showing the existence of similarities and discrepancies in their removal BOD kinetics behaviour. The K20 value must be estimated and taken into account for the design of waste stabilization ponds.

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DOI:

10.1016/0273-1223(95)00510-T