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Journal : Indonesian Journal of Chemistry

Enhanced Capacity and Easily Separable Adsorbent of Dithizone-immobilized Magnetite Zeolite for Pb(II) Adsorption Susiana, Carissa Ayu; Rusdiarso, Bambang; Mudasir, Mudasir
Indonesian Journal of Chemistry Vol 24, No 4 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.90914

Abstract

In this study, magnetic natural zeolite (ZTM) was prepared using the coprecipitation method and dithizone was then immobilized on its surface in less toxic medium of alkaline to yield dithizone-immobilized magnetic zeolite (ZTM-Dtz). The synthesized ZTM-Dtz was characterized by FTIR and XRD, indicating that dithizone was successfully immobilized on the surface of ZTM. Vibrating sample magnetometer measurements showed superparamagnetic properties of either ZTM or ZTM-Dtz with magnetization values of 7.35 and 11.49 emu g−1, respectively. The adsorption kinetics of Pb(II) on both adsorbents followed a pseudo-second-order and their adsorption isotherms were properly described by the Langmuir model. The adsorption capacity of ZTM and ZTM-Dtz were 6.94 and 38.46 mg g−1, respectively, suggesting that dithizone immobilization enhanced the adsorbent capacity more than 5 times. The interaction mechanism between Pb(II) metal ion and ZTM was dominated by ion exchange, whereas that of ZTM-Dtz was mostly hydrogen bonds and complexation. The synthesized material is promising to be developed for the adsorption of heavy metal ions such as Pb(II) because it provides a high adsorption capacity and the adsorbents can be easily separated magnetically after application.
Co-Authors Adelin, Muhammad Agustiar agustiar ALGUSYAIRI, PARISYI Amyus, Randi Saputra Angglina, Novita Anjar Purba Asmara Astari, Siti Alysha Asteriniah, Femi As’ari, As’ari Bambang Rusdiarso BUDI SETIADI DARYONO Busra, Aminudin Dahrani, Dahrani Dari, Sri Wulan Darto Darto Desi Arisandi Dwi Siswanta Edi Suharyadi Fadel, Moh. Fani, Tedy Dwi Fitriana, Dina Fitriyadi, Muhammad Habib Abdullah, Habib Hafis, Gustianto Nur Hamami, Abdul Rasyid Hartono Hartono Heryanto, Edi Hidayat, Rizki Icuk Muhammad Sakir Indrawan, Tiwa Junio Iriani, Atrika Itasaiyah, Itasaiyah Khairunnisa, Aulia Liyadi, Muslim Lubis, Nasib Samsuri Madaniyah, Madaniyah Mardhiyah, Mardhiyah Mardiah Mardiah Mardianto Mardianto Mat Syuroh Mawar Mawar, Mawar Muharriyadi, Muharriyadi Muhtady, Dedi Musdiani Musdiani Muti'ah, Siti Nangim, Ngainun Nuniek Herdyastuti Nurhafizah Nurhafizah Nurhasanah Nurhasanah Nurul Hidayat Aprilita Rahmawan, Arsuwandika Rahmayanti, Fetty Dwi Ramadhan, Muhammad Rizki Rizadiliyawati, Rizadiliyawati Rohadi Rohadi Rohaini, Yespi Romadhona, Miftakhul Romodhon, M Iqbal Roto Roto RR. Ella Evrita Hestiandari S, Rayani V Sabirin Matsjeh Safaruddin Sahrizal, M. Rinaldi Saifuddin Saifuddin Saputra, Aliyus Saputra, Ramli Saputri, Eki Nining Sari, Dwi Nofika Saswita, Saswita Shihabuddin, Ahmad Sibarani, Yetti Erika Sri Juari Santosa SRI RAHAYU Sri Sunarsih Sugiyanto - Suherman, Suherman Susiana, Carissa Ayu Sutinah Sutinah Syuhada Syuhada Thahir, Musa Titin Aryani Tjoa, Stanley Evander Emeltan Tri Gunawan, Tri Tri Joko Raharjo Utomo, Edi Yovianti, Ice Veronika Zainuddin, Abdul wahid Zaitun Zaitun Zofir, Tasrif Zuanda, Sary