2022
DOI: 10.1016/j.matpr.2021.08.340
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Petroleum and oily wastewater treatment methods: A mini review

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Cited by 35 publications
(13 citation statements)
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“…[1] Typical industrial operations produce oily wastewater with concentrations ranging from 100 to 1000 mg/L, which cannot be directly discharged into the environment. [2] Traditional methods like air flotation, coagulation and flocculation, gravity settling, and the utilization of oilabsorbing materials have been utilized to conform to effluent standards when treating oily wastewater. [3] Unfortunately, these methods have drawbacks, including high capital and maintenance costs, large installation areas, low reliability, low separation efficiency, and limited capability to remove oil droplets smaller than 10 μm.…”
Section: Introductionmentioning
confidence: 99%
“…[1] Typical industrial operations produce oily wastewater with concentrations ranging from 100 to 1000 mg/L, which cannot be directly discharged into the environment. [2] Traditional methods like air flotation, coagulation and flocculation, gravity settling, and the utilization of oilabsorbing materials have been utilized to conform to effluent standards when treating oily wastewater. [3] Unfortunately, these methods have drawbacks, including high capital and maintenance costs, large installation areas, low reliability, low separation efficiency, and limited capability to remove oil droplets smaller than 10 μm.…”
Section: Introductionmentioning
confidence: 99%
“…1 Increasing untreated oily wastewater discharge and frequent oil spill accidents are causing serious environmental problems. 2–5 Traditional treatment approaches, including coagulation, 6 air flotation, 7 and oil-absorbing materials, 8 are usually accompanied with the inherent problems of high energy consumption, low efficiency, tedious operation process and secondary contamination, limiting their wider applications. Among the various oily wastewater treatment approaches, membrane technology has been demonstrated to be very efficient for oil/water separation while simultaneously avoiding the above-mentioned problems to a great extent, 9–13 showing fantastic application prospects.…”
Section: Introductionmentioning
confidence: 99%
“…The wastewater produced from petrochemical industries and petroleum refineries normally contains a large quantity of oil, 1 which can pose a great threat to human life and social development, 2,3 and should not be neglected. Therefore, the removal of oil from the oily wastewater is one of the most serious environmental problems for the industries 4…”
Section: Introductionmentioning
confidence: 99%