Utilization of C-Cinnamal Calix[4] Resorcinarene as Adsorbent for Rhodamin B and Methanil Yellow

Abstract

The purpose of this study was to determine the optimum conditions i.e. pH and concentration of Rhodamin B and methanyl yellow using CCCR absorbent which is the result of synthesis by using the UV-VIS spectrophotometer. The method used was the adsorption method (Batch). Absorption of rhodamine B and methanyl yellow in solution by C-cinnamalCalix[4] Resorsinarena (CCCR) compound is carried out in a batch system at variations of pH 2, 3, 4, 5, 6, 7. At pH 4,5,6 the amount of H + in the solution is more so that H + competition with rhodamin B is suspected to bind to the functional groups. Ion H+ prevents rhodamine B from reaching the surface of the functional group, so the absorption at these pH is low. At pH 7 occurs the competition of complex formation reaction between chelate compounds with hydroxide ions and this is the optimum pH, while the optimum pH of methanyl yellow occurs at pH 3. Variations in the concentrations of rhodamine B and methanyl yellow are carried out at their optimum pH with variations of 20, 50, 100, 150 and 200 mg / L. The amount of rhodamin B extracted increases with increasing concentration and reaches a maximum absorption value of 1.6235 mg / g at a concentration of 100 ppm.

Pengaruh Kecepatan Pengadukan dan Waktu Kontak Terhadap Penyerapan Fenol Menggunakan Adsorben C-SinamalKaliks[4]Resorsinarena Hasil Sintesis Limbah Minyak Kayu Manis (Cinnamomum burmanii)

“…Kaliks [4]Resorsinarena serta turunannya dapat dijadikan sebagai molekul induk untuk anion, kation, dan molekul netral karena bentuk molekul yang unik seperti vas bunga dengan gugus aktif di sekelilingnya. Reaksi antara sinamaldehida dengan resorsinol akan membentuk senyawa makromolekul berupa C-SinamalKaliks [4]Resorsinarena (CSKR) yang merupakan kaliksarena turunan dari Kaliks [4]Resorsinarena [18].…”