Inhibition Profile of C-4-Methoxy-Phenyl-Calix [4] Resorcinarene against Formation of Calcium Sulfate (CaSO₄) Crust
نویسندگان
1 Chemistry Program Study, Faculty of Scie nce and Technology, UIN Sunan Kalijaga, Jl. Laksda Adisucipto, Yogy akarta 55281, Indonesia
2 Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Jl. Ir. Sutami 36A, Surakarta, 57126, Central Java, Indonesia
3 Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Jl. Ir. Sutami 36A, Surakarta, 57126, Central Java, Indonesia
4 Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Jl. Ir. Sutami 36A, Surakarta, 57126, Central Java, Indonesia
5 Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Jl. Ir. Sutami 36A, Surakarta, 57126, Central Java, Indonesia
6 Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Jl. Ir. Sutami 36A, Surakarta, 57126, Central Java, Indonesia
7 Department of Chemistry Education, Faculty of Teacher Training and Education, Universitas Sebelas Maret, Jl. Ir. Sutami 36A, Surakarta, 57126, Central Java, Indonesia
doi
10.48309/ajca.2025.516030.1822چکیده
This research aims to investigate the ability of C-4-methoxy-phenyl-calix[4]resorcinarene to impede the growth of CaSO4 crust and its characterization. The study employed an experimental laboratory approach, utilizing a 0.1 M growth solution and the resorcinarene at 10, 20, 30, and 40 ppm concentrations. The procedure in this experiment was divided into several parts, including crystal seed preparation, determination of crust growth with and without inhibitors, and characterization of the inhibitory compound. This study proves that the resorcinarene compound can be used as a CaSO4 crust inhibitor, with the most significant mass reduction (538 mg) observed at 40 ppm after 60 minutes. Higher inhibitor concentrations enhanced the compound's ability to suppress CaSO₄ crust formation. FTIR spectra revealed peak shifts, indicating interactions between the compound's functional groups with crust-forming crystal nuclei (Ca2+). SEM analysis showed that the surface morphology of the resorcinarene became more porous and rougher following its application as an inhibitor. Moreover, XRD analysis indicated a notable shift in the 2θ peak along with an enlargement in the resorcinarene’s crystallite size, even as its crystallinity declined.
