Neza Rahayu Palapa, Arini Fousty Badri, Mardiyanto, Risfidian Mohadi, Tarmizi Taher, Aldes Lesbani
Mg/Cr layered double hydroxide (LDH) was prepared and modified using an intercalation of oxalate anions ((COO)22-) to form Mg/Cr-(COO)22. The materials were then investigated to malachite green removal to determine the adsorption ability. Furthermore, the desorption process and regeneration of adsorbent were systematically conducted. The adsorption of green malachite on Mg/Cr- LDH and Mg/Cr-(COO)22- materials fitted to the pseudo-second-order (PSO) kinetic model and Freundlich isotherm model with an adsorption capacity of 33.784 mg/g (333K) for Mg/Cr LDH and 64.516 mg/g (333K) for Mg/Cr-(COO)22-. Thermodynamic data showed that the adsorption process was spontaneous and endothermic. Also, the appropriate reagent desorption study was found as hydrochloric acid and material regeneration studies exhibited a good recycling performance after 3 times cycles and, the Mg/Cr-oxalate showed a good performance for malachite green adsorption. It can be concluded that Mg/Cr-(COO)22- can adsorb the dye stuffs effectively. © 2022 KIPMI.
Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Palembang, 30662, Indonesia; Graduate School Faculty of Mathematics and Natural Sciences, Universitas Sriwijaya, Palembang, 30139, Indonesia; Department of Environmental Science, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Research Center of Inorganic Material and Complexes, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Palembang, 30139, Indonesia; Department of Pharmacy, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Palembang, 30662, Indonesia
Research at a Glance
Register to unlock
Topics & SDG Alignment
Register to unlock
Collaboration
Register to unlock
Author Profile (Selected)
Register to unlock
References Overview
Register to unlock
Journal & Source
Register to unlock
Metadata & Integrity
Register to unlock