Preparation and research of a new type of green fluorescent scale inhibitor
A green fluorescent scale inhibitor poly(maleic anhydride sodium styrene sulfonate)grafted curcumin(PMS-g-Cur polymer)was synthesized from curcumin(Cur),maleic anhydride(MA),and sodium styrene sul-fonate(SSS).The structure of PMS-g-Cur was characterized using Fourier transform infrared spectroscopy(FT-IR),and the target product was successfully synthesized.Using a fluorescence spectrometer for analysis,the fluo-rescence spectrum shows that PMS-g-Cur is expected to achieve online detection.Static scale inhibition experiments show that at 70℃,the efficiency of PMS-g-Cur in inhibiting CaSO4 scale can reach 99.5％,and the efficiency in inhibiting CaCO3 scale can reach 82.8％.In addition,the effects of scale inhibitor concentration,temperature,pH value,and mineralization degree on scale inhibition performance were discussed.The results showed that scale in-hibitors have certain high temperature and salt resistance properties.
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