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Nurfatihayati
Universitas Riau
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Pengaruh Tinggi Unggun pada Proses Adsorpsi Ion Besi (Fe2+) Menggunakan Adsorben Arang Aktif Batang Bambu Teraktivasi NaOH Cory Dian Al'farisi; Rozzana Sri Irianty; Nurfatihayati Nurfatihayati; Suhendri Suhendri; Ariya Eka Alel; Rizky Al Rasyid; Samuel Valentino L Tobing
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 7 No 1 (2026): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.7.1.24-32

Abstract

Escalating discharges from metallurgical, textile, and mining industries have led to elevated concentrations of iron (Fe) in aquatic environments, where its persistence and redox activity pose significant risks to water quality and aquatic ecosystems, thereby necessitating the development of efficient and environmentally benign wastewater treatment strategies specifically targeting Fe removal. This study aims to determine the effect of bed height and flow rate on the adsorption capacity and removal efficiency process of iron (Fe²⁺) ions using activated carbon adsorbent derived from bamboo stems and activated with a 0.5 N NaOH solution. Adsorption was conducted in a continuous column system with variations in bed height (15 cm, 20 cm, and 25 cm) and flow rate (2 ml/s, 4 ml/s, and 6 ml/s). The activated carbon was characterized based on the Indonesian National Standard (SNI 06-3730-1995) to maintain product quality, including moisture content, ash content, and iodine number tests. The characterization results indicate that the activated carbon met quality standards, with 7% moisture content, 9% ash content, and an iodine number of 983.475 mg/g. The concentration of iron ions was analyzed using a UV-Vis spectrophotometer. The results indicate that the optimal adsorption capacity was obtained at a bed height of 15 cm and a flow rate of 2 mL/s, with a value of 1.114 mg/g, while the highest adsorption efficiency of 93.8% was achieved at a bed height of 25 cm and a flow rate of 2 mL/s.
Co-Authors Adam Rafif Aldori Adriman, Adriman Ahmad Fadli Ahmad Fadli Al'farisi, Cory Dian Aldo Seveno Mahendra Alfarisi, Cory Dian Allailus Syah Safara Alltop Amri Ya Habib Ariya Eka Alel Ariya Eka Alel Arrafi Razzaq Aulia Permatasari Chairul Cory Dian Al'farisi Delef, Fahrul Fajar Desi Heltina Drastinawati Drastinawati Drastinawati Drastinawati Drastinawati Drastinawati, Drastinawati Efawani, Efawani Eni Sumiarsih Feblil Huda Ferdy Ashari Syawal Ida Zahrina Idral Amri M Rafki Yunaldi Muhammad Ichwan Pradana Mutamima, Anisa Nurwijayanti Padil Padil Panca Setia Utama Putra, Eden Ririn Puji Hastuti Rizky Al Rasyid Rozanna Sri Irianty Rozzana Sri Irianty Samuel Valentino L Tobing Suhendri Suhendri Suhendri Suhendri Sunarno Sunarno Sunarno Sunarno SYAIFUL BAHRI Winarno Winarno Wisrayetti Wisrayetti Yani, Oktavia Dewa Yelmida Azis Yogi Yolanda Yuliati Yuliati Zuchra Helwani