Oil-containing sewage demulsification degreasing agent and synthesis method thereof

The invention belongs to the technical field of sewage treatment, and particularly relates to an oil-containing sewage demulsification degreasing agent and a synthesis method thereof. The synthesis method comprises the following steps: adding 1, 2-bis (4-pyridyl) ethane, allyl chloride, ethanol and cuprous chloride into a first reactor, introducing nitrogen, stirring and dissolving, heating and refluxing, carrying out reduced pressure distillation to dryness, and recrystallizing to obtain a crosslinking functional monomer; adding allyl triphenyl phosphonium chloride, 1-vinyl-3-ethylimidazolium bromide, a crosslinking functional monomer, nonylphenol polyoxyethylene ether, monopotassium phosphate and deionized water into a second reactor, and stirring to obtain a mixture solution; dropwise adding an initiator into the second reactor, heating, carrying out heat preservation reaction, and cooling; and granulating the mixed solution to obtain the product demulsifying and degreasing agent. The demulsification and o