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All Journal Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Jurnal Tanah dan Air Forum Geografi Agrin : Jurnal Penelitian Pertanian Jurnal Tanah dan Air (Soil and Water Journal)
Djoko Mulyanto
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Environmental Science Physics

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Equilibrium studies for the removal of manganese (Mn) from aqueous solution using natural zeolite from West Java, Indonesia Munawar, Ali; Mulyanto, Djoko; Asrifah, RR Dina
Journal of Degraded and Mining Lands Management Vol. 10 No. 2 (2023)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2023.102.4191

Abstract

Manganese (Mn) is one of the heavy metals found in industrial wastewater, such as acid mine drainage, which has caused serious environmental problems worldwide. This equilibrium study was carried out to determine the maximum capacity of natural zeolite towards manganese removal from made aqueous solution as affected by zeolite quantity, particle size, activation temperature, and initial pH of the solution. The natural zeolites obtained from Tasikmalaya, West Java, Indonesia, were crushed and filtered into three groups of diameters: <0.5, 1-2, and 2-4 mm. Each group was divided into two sub-groups, one sub-group was heated in a muffle furnace at 250 oC for two hours, and the other sub-group was left at room temperature (25 oC). This experiment consisted of two sections. Section one was physical and chemical characterizations of the natural zeolite, using Scanning Electron Microscopy (SEM), X-Ray Diffraction, and X-Ray Fluorescence techniques. The second section was equilibrium studies using two series of 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, and 5 g of natural zeolites of each sub-groups, then respectively added with 50 mL of a solution containing 50 ppm Mn having pH of 5.5 and 7.0. All suspensions were shaken for 24 h and filtered. The filtrates were red for total dissolved Mn using Atomic Adsorption Spectrophotometer (AAS). Freundlich and Langmuir isothermic models were fitted to the collected data to describe the adsorptive behaviour of Mn toward natural zeolites. Data showed that 0.5 g of natural zeolite had removed the remarkably highest Mn from the solution, regardless of the size of the particles, thermal treatment, and initial solution pH. The smallest size of zeolite particle and higher initial solution pH tended to increase the adsorptive capacity of the natural zeolite toward Mn. The Freundlich isothermic model fitted better to Mn adsorption behaviour than the Langmuir model.
Co-Authors Agung Kurniawan Ali Munawar Asrifah, RR Dina Bekti Astuti Binardi Binardi Faezatiy, Lulu'Ayu Heru Handoyo Kurniawan Herwin Lukito, Herwin Hizkia Setya Simangunsong Miseri Roeslan Afany, Miseri Roeslan Mohammad Nurcholis, Mohammad Muhamad Nurcholis NADA SALSABILA PRADHANI Ni’maturrahma, Isna Nurul Hidayat Partoyo Partoyo Partoyo Partoyo, Partoyo R Agus Widodo R. Agus Widodo Safitri, Antika Dila Sarirotul &#039;Alim Simangunsong, Hizkia Setya Subroto P.S., S Suci Ramadhani, Ratnaning Wulan Surono, S Susila Herlambang Wibawati, Widya Wuri Handayani