Table 1.

Model parameters used in this study

parameter	symbol	value	unit
growth rate, chelator	μ1	12.3	d-1
growth rate, non-chelator	μ2	12.3	d-1
half-saturation concentration, chelator	k1	3.7	μM
half-saturation concentration, non-chelator	k2	3.7	μM
decay rate, chelator	d1	0.49	d-1
decay rate, non-chelator	d2	0.49	d-1
yield coefficient, chelator	Y1	0.6003	-
yield coefficient, non-chelator	Y2	0.6003	-
maximum biomass density, chelator	N∞	104	gm-3
maximum biomass density, non-chelator	R∞	104	gm-3
chelation rate	β	1.92
pyoverdine production rate	δ	2.56	ODPd-1
pyoverdine inhibition concentration	S∞	0.3762	μM
pyoverdine inhibition exponent	n	3	-
biomass motility parameter	ϵ	10-12	m2d-1
biomass interface exponent	a	4	-
biomass threshold exponent	b	4	-
diffusion coefficent of iron in water	d(0)	8.64·10-4	m2d-1
diffusion coefficent of iron in biofilm	d(1)	7.776·10-4	m2d-1