Fig. 5

Pore volume, pressure, and recovery for (a) 2000 mg/L SDS + 4000 mg/L Sodium Hydroxide injection (b) 2000 mg/L Sodium Hydroxide + 1000 mg/L SDS injection, and (c) 2000 mg/L SDS + 4000 mg/L Sodium Carbonate injection.

Pore volume, pressure, and recovery for (a) 2000 mg/L SDS + 4000 mg/L Sodium Hydroxide injection (b) 2000 mg/L Sodium Hydroxide + 1000 mg/L SDS injection, and (c) 2000 mg/L SDS + 4000 mg/L Sodium Carbonate injection.