Effluent and emission standards for oil refineries: guidelines

The effluent and emission standards for oil refineries were notified under Environment (Protection) Act in the years 1986 and 1990, respectively. These standards were same for old & new refineries and considered only few parameters. There was need to include additional parameters viz. Oxides of Nitrogen (NOx), Volatile Organic Compounds (VOCs), etc. Besides, many developments have taken place in the technologies for oil refining process and pollution control in this sector during last one decade.