Phosphorus Removal from Wastewater Using Oven-Dried Alum Sludge

Table 6

Isotherm parameters for phosphorus adsorption onto ODS with the correlation coefficient.

Model	Parameters	Values
	a,	2.437878
Langmuir (1)	b,	0.128524
	Correlation coefficient	0.977
	K,	0.090537
Freundlich (2)	n,	2.92948
	Correlation coefficient	0.9946
Combination of Langmuir-Freundlich (3)	𝑞𝑚,	3.675591
	b,	0.025254
	n,	4.793108
	Correlation coefficient	0.995