Synthesis and Performance of Functionalized α-Zirconium Phosphate Modified with Octadecyl Isocyanate

Table 2

Pressure and permeability before and after α-ZrP-I injection.

Number	Concentration (mg/l)	1 (MPa)	2 (MPa)	1 (×10^−3 μm^2)	2 (×10^−3 μm^2)	Pressure drop rate (%)	2/1
1	20	0.3527	0.3348	3.08	3.25	0.05	1.05
2	50	0.3614	0.1907	3.01	5.70	47.23	1.89
3	100	0.3703	0.4006	2.93	2.71	−8.18	0.92
4	200	0.2815	0.5024	3.86	2.16	−78.47	0.56