Removal of Pb(II) Ions in Fixed-Bed Column from Electroplating Wastewater of Bursa, an Industrial City in Turkey

Table 2

Column data and parameters obtained for poly(EGDMA-VIM).

Bed height (cm)	Flow rate (mL/min)	Uptake (mg/g)	𝑡𝑏 (h)	𝑡𝑒 (h)	Δ𝑡 (h)	(dC/dt)^b (mg/L h)
5	6	44.3	2.6	18.5	15.9	0.67
	8	37.8	2.3	11.8	9.5	1.12
	10	35.1	1.6	8.8	7.2	1.48
9	6	65.4	11.5	48.9	37.4	0.29
	8	53.7	9.2	30.1	20.9	0.51
	10	49.1	4.6	22.0	17.4	0.61
14	6	90.0	26.0	105.1	79.1	0.13
	8	78.3	20.2	68.3	48.1	0.22
	10	72.5	10.9	50.4	39.5	0.27

 ^aConditions: initial Pb (II) conc. 11.9 mg/L.
^bSlope of the breakthrough curve from 𝑡_𝑏 to 𝑡_𝑒.