Fig. 4From: Preparation and characterisation of activated carbon from Vitisvinifera leaf litter and its adsorption performance for aqueous phenanthreneEffect of aqueous solution pH on phenanthrene removal using activated carbons. Experimental conditions observed: solution concentrations = 1 mg/L, solution volume = 25 mL, adsorbent dosage = 0.1 g, temperature = 298 K, contact time = 180 min and stirring agitation = 100 revolutions per minute (rpm)Back to article page