Author/Authors :
Kamarden, Hamidah Universiti Teknologi Malaysia - Faculty of Chemical Engineering - Department of Chemical Engineering, Malaysia , Abu Hassan, Mohd. Ariffin Universiti Teknologi Malaysia - Institute of Environmental and Water Resources Management, Malaysia , Noor, Zainura Zainon Universiti Teknologi Malaysia - Institute of Environmental and Water Resources Management, Malaysia , Zainon, Zainura Universiti Teknologi Malaysia - Advanced Photonic Science Institute - Physics Department, Malaysia , Evutia, Abdullahi Mohammed Universiti Teknologi Malaysia - Advanced Photonic Science Institute - Physics Department, Malaysia , Ibrahimc, RK Raja Universiti Teknologi Malaysia - Faculty of Chemical Engineering - Department of Chemical Engineering, Malaysia
Abstract :
In this research, the effects of temperature and air flow rate on the removal efficiency of xylene from wastewater using packed column air stripper were investigated at a temperature range of 30 to 500C and air-water ratios of 20 to 100. The quantities of xylene in effluent from the air stripper were determined using UV-visible spectrophotometer. The effects of increase in temperature on the percentage removal of xylene were found to be more significant at low temperatures (30-400C) than at higher temperatures (45-500C). Also, the effects of increase in water-air ratio on percentage removal of xylene were less significant at higher G/L ratio (80-100) and more significant at low G/L ratios (20-60), thus revealing a non-linear trend in the effect of temperature and air-water ratio on xylene removal.The result also indicates that xylene removal efficiency is greatly affected by column temperature and G/L ratio with the highest removal efficiency of 99.93 at temperature of 500C and at G/L ratio of 100.
Keywords :
Air stripper , xylene , wastewater , spectrophotometer , temperature , air , water flow rate
