Seaweed-based alginate/hydroxyapatite composite for the effective removal of bacteria, cyanobacteria, algae, and crystal violet from water

Table 1 Kinetic modelling of bacterial disinfection under different treatments using Log-linear and Weibull models

ZA/nHA (% w/v)	CFU mL⁻¹	Log-linear model			Weibull modell
ZA/nHA (% w/v)	CFU mL⁻¹	K_max	R²	RMSE	δ	β	R²	RMSE
0.2	10⁴	0.02	0.831	0.47	254.95	3.02	0.926	0.34
	10⁵	0.02	0.945	0.35	152.05	1.52	0.972	0.28
	10⁶	0.01	0.903	0.11	370.62	0.50	0.969	0.07
0.5	10⁴	0.03	0.892	0.55	195.13	2.33	0.981	0.25
	10⁵	0.03	0.964	0.37	131.86	1.57	0.993	0.18
	10⁶	0.01	0.929	0.13	282.03	0.73	0.937	0.13
1.0	10⁴	0.03	0.905	0.56	144.33	1.99	0.967	0.37
	10⁵	0.04	0.964	0.39	105.99	1.54	0.991	0.22
	10⁶	0.01	0.919	0.16	257.36	1.00	0.919	0.18

K_max: disinfection rate constant. δ: scale parameter reflecting the time required for 90% cell reduction (1 Log₁₀) of E. coli population. P is a shape parameter. R2: coefficient of determination. RMSE: root mean square error

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