Abstract This research emphasized the importance of removing organic pollutants from wastewater discharges. In this review, different advanced oxidation processes are discussed. A broad classification was used for treatment. An overview TiO2-based photocatalysis, Fenton process, and photocatalytic ozonation has been done. The mechanism methods studied. advantages limitations these also Various ...

Abstract Oily wastewater consists of fats, oils and greases together with a broad spectrum dissolved organic and/or inorganic substances in suspension. It is regarded as one the most hazardous wastewaters, causing serious environmental health threats to ecosystems, flora fauna. The global increase discharge oily coupled stringent regulations for effluent incessant drive re-use treated necessita...

results the results showed that the fog amount in input raw sewage in the mwwtp from june 2011 to september 2011 was around 25.5 mg/l and the amount in treated wastewater was about 8.1 mg/l. the fog removal efficiency in this refinery was about 70% and met the environmental standards for the discharge (less than 10 mg/l) (p < 0.05). conclusions the effluent can be discharged to surface waters o...