Oil and grease removal from wastewaters: Sorption treatment as an alternative to state-of-the-art technologies. A critical review

摘要

Oil and grease (O&G) is a class of pollutants with very low affinity to water. Their removal from wastewaters is often challenging and involves the combination of different treatment technologies, according to the specifications for the treated water and the O&G substances involved. O&G can be classified according to its type and source and this influences the choice of the treatment process.