experiment study of demulsifier on the oily wastewater treatment

experiment study of demulsifier on the oily wastewater treatment
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  • Can a contaminant oil and surfactant parameter be used for demulsification?
  • This work aims to apply HLD to obtain an optimal condition for demulsification of oil-in-water emulsion system—real industrial wastewater—with different water in oil ratios (WOR). Therefore, the oil parameter of the contaminant oil and surfactant parameter for three types of commercial surfactants were calculated by performing salinity scans.
  • How to treat water-in-crude oil emulsions?
  • The chemical method through using demulsifiers is widely recommended as the first choice for treating water-in-crude oil emulsions on industrial scales due to its higher performance than other methods 4.
  • Does turbidity affect demulsification?
  • This behavior confirms its less significant contribution to the system's performance. Adding alcohol, we observe high turbidity in the system as a negative impact, which has an adverse effect on the demulsification process. In general, its advantages outweigh the negative effect on this system.
  • Does adding alcohol affect the demulsification process?
  • Adding alcohol, we observe high turbidity in the system as a negative impact, which has an adverse effect on the demulsification process. In general, its advantages outweigh the negative effect on this system. In contrast, according to Supplementary Fig. S7, sec-butanol leads to poor performance in phase separation for Mixtures 2 and 3.