Solidification/Stabilization of Textile Sludge as Subgrade: Usage of Binders and Skeleton Material

Table 6

Contrast table of the contamination indexes of samples.

	PAHs (μg/L)	AOX (μg/L)	Zn 66 (μg/L)	Cr 52 (μg/L)	Cd 111 (μg/L)	As 75 (μg/L)	Ni 60 (μg/L)	Cμ 63 (μg/L)
Standard value [57]	4688	10000	5000	100	10	50	100	1500
Raw sludge	4162	946	5.026	21.058	0.261	10.498	42.026	18.693
1.8CL + 0.2C	1268	343	0.962	14.585	0.108	8.168	36.036	12.974
1.8CL + 0.2C + 0.04B	1194	389	L	19.386	0.019	8.807	32.369	15.320
Subgrade sample	1206	406	L	12.458	0.044	7.434	20.478	7.618

Note. L represents values below the detection limit.