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All Journal AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment)
Sitogasa, Praditya Sigit Ardisty Sitogasa
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Energy Environmental Science

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Performance of Fixed-Bed Adsorption Reactor for Total Chromium Removal from Batik Wastewater Using Bioadsorbents and Zeolite Rizqy, Winda Nurmalia; Putro, Raden Kokoh Haryo; Sitogasa, Praditya Sigit Ardisty Sitogasa
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.921

Abstract

Industrial batik wastewater contains total chromium, a heavy metal that can pollute aquatic environments. This study aims to evaluate the performance of a fixed-bed adsorption reactor in reducing total chromium concentrations in batik wastewater using coconut shell, corn cob, and zeolite adsorbents. The batik wastewater was obtained from Jemursari, Surabaya, with an initial total chromium concentration of 2.349-2.374 mg/L and a pH of 8. The bioadsorbents were prepared through carbonization at 500–600 °C, followed by chemical activation using 3 M H?PO?. The adsorption process was conducted continuously in a 5 L laboratory-scale fixed-bed reactor, with sampling times at 10, 40, 70, and 100 minutes. The results showed that total chromium removal efficiency increased significantly within the first 40 minutes for all adsorbents. The highest removal efficiency was achieved using zeolite at 87.8%, followed by coconut shell at 81.9% and corn cob at 73.1%. The superior performance of zeolite was attributed to its ion-exchange mechanism and physical properties, which are well-suited to continuous-flow systems. Contribution to Sustainable Development Goals (SDGs):SDG 6: Clean Water and SanitationSDG 12: Responsible Consumption and ProductionSDG 11: Sustainable Cities and CommunitiesSDG 14 : Life Below Water
Co-Authors Raden Kokoh Haryo Putro Rizqy, Winda Nurmalia