The cartridges were preconditioned with 5 mL of MeOH and 5 mL of ultrapure water. 50, 100 and 250 mL of influent, effluent and river water, respectively, were loaded into the cartridge at a flow-rate of 10–15 mL/min.
The cartridges were preconditionedwith 5 mL of MeOH and 5 mL of ultrapure water. 50,100 and 250 mL of influent, effluent and river water, respectively,were loaded into the cartridge at a flow-rate of 10–15 mL/min.