Sintesis ZIF-8/KITOSAN Dan Cu-ZIF-8/Kitosan Serta Kinerjanya Sebagai Adsorben Congo Red Dalam Air

Kulsum, Ummu (2022) Sintesis ZIF-8/KITOSAN Dan Cu-ZIF-8/Kitosan Serta Kinerjanya Sebagai Adsorben Congo Red Dalam Air. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pada penelitian ini, komposit ZIF-8/Kitosan dan Cu-ZIF-8/Kitosan pada variasi doping Cu(II) sebesar 5, 10, dan 20% telah berhasil disintesis dengan metode in-situ dalam pelarut asam asetat 2% dan trietilamina pada suhu kamar. Hasil sintesis berturut-turut dinotasikan sebagai Z8/CS, Cu(5)-Z8/CS, Cu(10)-Z8/CS, dan Cu(20)-Z8/CS. Pola difraktogram material hasil sintesis menunjukkan puncak karakteristik pada intensitas yang sesuai dengan ZIF-8 referensi. Spektra FTIR menunjukkan bahwa penambahan kitosan dan doping Cu(II) tidak mempengaruhi gugus fungsi yang ada pada ZIF-8 referensi. Morfologi permukaan material hasil sintesis mengalami perubahan akibat adanya kitosan dan Cu(II). Material hasil sintesis diuji aktivitasnya sebagai adsorben zat warna Congo Red dalam air. Hasil uji adsorpsi menunjukkan bahwa material Cu(20)-Z8/CS memiliki kapasitas adsorpsi tertinggi sebesar 153,85 mg/g serta mengikuti kinetika adsorpsi orde dua semu dan isotermal adsorpsi Langmuir. Hasil studi termodinamika adsorpsi menunjukkan bahwa adsorpsi pewarna Congo Red pada material ZIF-8/Kitosan dan Cu-ZIF-8/Kitosan berturut-turut merupakan reaksi eksotermis dan endotermis.===============================================================================================================================
In this study, ZIF-8/Chitosan and Cu-ZIF-8/Chitosan composites with Cu(II) doping variation, i.e. 5, 10, and 20% have been successfully synthesized by in-situ method in 2% acetic acid and tryethylamine at room temperature. The synthesis results are denoted as Z8/CS, Cu(5)-Z8/CS, Cu(10)-Z8/CS, and Cu(20)-Z8/CS, respectively. The diffractogram pattern of the synthesized material shows a characteristic peak at intensity which corresponds to the ZIF-8 reference. The FTIR spectra showed that the addition of chitosan and the doping of Cu(II) did not affect the functional groups present in the ZIF-8 reference. The surface morphology of the synthesized material has changed due to the presence of chitosan and Cu(II). The synthesized material was tested for its activity as an adsorbent for Congo Red dye in water. The adsorption test results showed that Cu(20)-Z8/CS had the highest adsorption capacity (153.85 mg/g) and followed pseudo-second-order adsorption kinetics and Langmuir adsorption isothermal. The results of the adsorption thermodynamics study showed that the adsorption of Congo Red dye with ZIF-8/Chitosan and Cu-ZIF-8/Chitosan materials was an exothermic and endothermic reaction, respectively.

Item Type:	Thesis (Other)
Additional Information:	RSKi 620.116 Kul s-1
Uncontrolled Keywords:	ZIF-8, Doping Logam, Kitosan, Adsorpsi, Congo Red, Kapasitas Adsorpsi. ZIF-8, Metal Doping, Chitosan, Congo Red, Adsorption Capacity.
Divisions:	Faculty of Science and Data Analytics (SCIENTICS) > Chemistry > 47201-(S1) Undergraduate Thesis
Depositing User:	Mr. Marsudiyana -
Date Deposited:	05 May 2026 07:12
Last Modified:	05 May 2026 07:12
URI:	http://repository.its.ac.id/id/eprint/132986

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