pretreatment of wastewater streams from petroleum in spain

pretreatment of wastewater streams from petroleum in spain
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  • How to treat petroleum refinery wastewater?
  • Petroleum refinery wastewater adversely affects human beings, animals, and ecosystems. A segregated approach has been proposed to treat the petroleum refinery wastewater. Combined treatment system can provide better outcomes than the individual process. Toxicity and biodegradability test are vital indicators to develop combined system.
  • How many streams of wastewater are there in a petroleum refinery?
  • Wastewater generated from unit operations and processes of petroleum refinery can broadly be segregated into four streams: 1) Desalter wastewater, 2) sour wastewater, 3) spent caustic wastewater, and 4) Oily wastewater (Addington et al., 2011, Bastos et al., 2025, IPIECA, 2010).
  • How much does it cost to treat petroleum refinery wastewater?
  • An economic assessment was carried out for the treatment of petroleum refinery wastewater using a membrane system (Hashemi et al., 2025). They reported that the initial investment for the launch of this treatment system was estimated at $255,750. Also, the regeneration cost for the treated wastewater was $0.24/m 3.
  • Can petroleum refinery-treated wastewater be reused in irrigation?
  • The reuse of petroleum refinery-treated wastewater in irrigation can offer two essential resources: nutrients and water. However, it may change the physicochemical and biological characteristics of soil such as pH, salinity, nutrient, and organic content (Haq et al., 2021; Leiva et al., 2019).