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Fauzan, Rizky
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Journal : Journal of Green Science and Technology

 1 
Utilization Of Sengon Wood Sawdust Waste as Esterified Cellulose-Based Bioadsorbent for CD(II) Wastewater Purification Fauzan, Rizky; Mujahidah, Nisa Rahmah; Nugraha, Teguh Aditya; Azzahra, Nasya; Paramitha, Tifa; Soeswanto, Bambang; Sihombing, Rony Pasonang
Journal of Green Science and Technology Vol 9 No 3 (2025): Journal of Green Science and Technology Vol. 9 No. 3 December 2025 Special Editio
Publisher : Faculty of Engineering, Universitas Swadaya Gunung Jati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v9i3.10650

Abstract

Cadmium (Cd) is a heavy metal with high toxicity that can enter the body through contaminated food chains, so wastewater containing cadmium needs to be treated before being discharged into the environment. This study uses adsorption methods to reduce Cd(II) concentration in artificial wastewater by utilizing modified sengon wood sawdust cellulose as a bioadsorbent. Adsorption tests were conducted in batch mode at room temperature with constant stirring, and the results were analyzed using AAS. The objective of this study was to determine the optimum adsorption conditions using Response Surface Methodology (RSM) and to determine the adsorption capacity of the modified bioadsorbent based on the Freundlich or Langmuir adsorption isotherm models. The variations in bioadsorbent dose in this study were 2, 4, and 6 g/L; adsorption time variations were 30, 60, and 90 minutes; pH variations were 3, 4, and 5. Based on the design expert 13 RSM software, the optimum adsorption conditions for citric acid-modified bioadsorbent are a bioadsorbent dose of 3.957 g/L, time of 31.655 minutes, and pH of 4.968. For the EDTA-modified bioadsorbent, the optimum conditions were a bioadsorbent dose of 3.836 g/L, time of 30 minutes, and pH of 4.708. The results of the adsorption isotherm modeling indicate that the citric acid-modified and EDTA-modified bioadsorbents are more suitable for the Freundlich isotherm model due to their higher determination coefficient (R²). Thus, the adsorption capacities for the citric acid-modified and EDTA-modified bioadsorbents were determined to be 1.7828 mg/g and 1.5776 mg/g, respectively.
Co-Authors Ahmad Shalahuddin, Ahmad Ahmadi AHMADI Akbari, Rizki Zulfi Ana Fitriana Ana Fitriana Anastasia Lidya Maukar Andy Andy Anik Vega Vitianingsih Annisa Fitria Anwar Azazi Apriandika, Muhammad Nahruddin Arman Jaya Asli, Salsabila Hasya Azzahra, Nasya Azzis Abdul Munir Bambang Soeswanto Barkah, Barkah Cahyono, Cahyono Kaelan Damianus Ute Daud, Ilzar Donny Usman Dwi Budi Santoso Dwi Suzanna Edison, Norvin Edwardo, Albert Endang Dhamayantie Erna Listiana Erna Listiana Erna Listiana Fadilah, Putri Fahruna, Yulyanti Fajar Kristanto Fauzan, Ahmad Hilmi Ferawati, Yohana Fransiska Giriati, Giriati Gita, Leiya Harry Setiawan Hasanudin Hasanudin Hasanudin Helma Malini, Helma Hitan, Wiwin Ikram Yakin Ilzar Daud Ilzar Daud Ilzar Daud Iman Kalis, Maria Chirstiana Janiarti, Della Juniwati Juniwati K, Karsim Karolina, Sindi Karsim Karsim, Karsim Keryanti, Keryanti Khristian Krista, Gustin Mustika Lestari, Mugi Ayu M. Irfani Hendri Maharani, Tri Adinda Mailisa, Yessi Manfaati, Rintis Marchello Maria Christiana Iman Kalis, Maria Christiana Maria Christiana l Kalis Marisca, Tirza Eudia Mayardi, Rika Megawati - Mochammad Imron Awalludin Muhammad Afif Muhammad Iqbal Muhaimin Mujahidah, Nisa Rahmah Nardi, Rio Nisrina Amalia Novita Novita Nugraha, Teguh Aditya Nur Afifah Nur Afifah Nurhapizah, Siti Nurul Komari Nurul Komari Nurul Komari Oktaviana Oktaviana Paramitha, Tifa Patricia, Adella Pradidta, Elsa Pramana Saputra Pramesti, Lokahita Regina Purmono, Bintoro Bagus Purwanto, Dimas Puspita, Nina Putri Pangestika, Putri Rahmah, Adilah Ramadania Ramadania, Ramadania Ramadhani, Fauziah Ridwansyah Ridwansyah Rifki, Maulana Radiyan Roro Ayu Rahmadhani Rusmana, Muchamad Raihan Surya Rustam Rustam Salsabila, Intan Serene, Gabriel Shelly, Shelly Sihombing, Rony Pasonang siti zahra zahira Sri Langgeng Ratnasari SULISTIOWATI Suriyani, Eddy SUSANTI Syahbandi Syahbandi Syahbandi The, Trixie Agustina Titi Rosnani Titik Rosnani Titik Rosnani Titinawati, Titinawati Triadi*, Masius Veronika Veronika Victorio, Michael Wardana, Rizky Hady Wendy Wenny Pebrianti Wibowo, Titik Yoyon Arie Budi Suprio Yunitasari*, Richa Kartika Kristin Dian Yuspita, Agata