Coagulation coefficients

These are coefficients intended for general use. Use fit_edwards_optim() to optimise these coefficients for a specific source water.

edwards_coefs(type)

edwards_data(type)

fit_edwards(type)

Arguments

type

One of "Low DOC", "Fe", "Al", "General-Fe", "General-Al", or "empty".

Value

A named vector of empirical coefficients to be used in coagulate().

References

Edwards, M. 1997. Predicting DOC removal during enhanced coagulation. Journal - American Water Works Association, 89: 78–89. https://doi.org/10.1002/j.1551-8833.1997.tb08229.x

Examples

edwards_coefs("Low DOC")
#>      x3      x2      x1      K1      K2       b    root 
#>   6.440 -99.200 387.000  -0.053   0.540   0.107  -1.000