Table 2.

Effect of thermal treatment on key soil properties and copper pollutant retention in dispersive soil.

Temperature (°C)	pH	EC (mS/cm)	CEC (cmol/kg)	SSA (m2/g)	Carbonate Content (%)	Cu2+ Retention (%)
25	8.4	7.98	28.36	36.28	11.5	66.4
100	8.38	5.18	27.76	35.4	11.43	83.6
300	11.1	3	24.96	26.31	11.51	95.2
500	11.04	0.66	12.53	22.71	11.54	100
700	12.45	5.6	8.36	8.36	6.82	100
900	11.05	0.51	1.48	2.69	1.33	100