Surfactant removal was satisfactory in terms of both removal percentage (up to 85.4%) and effluent concentration (1.1 0.3 mg/l, always below the limit of 2 mg/l).
Surfactant removal was satisfactory in terms of bothremoval percentage (up to 85.4%) and effluent concentration(1.1 0.3 mg/l, always below the limit of 2 mg/l).