Utilization Of Sengon Wood Sawdust Waste as Esterified Cellulose-Based Bioadsorbent for CD(II) Wastewater Purification
DOI:
https://doi.org/10.33603/jgst.v9i3.10650Keywords:
Adsorption, Cadmium, Esterification, Sengon wood, WastewaterAbstract
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.
References
[1] G. Genchi, S. S, L. Graziantono, A. Carocci, and A. Catalano, “The Effects of Cadmium Toxicity,” Int. J. Environ. Res. Public Health, vol. 17, no. Cd, pp. 1–24, 2020.
[2] C. Soil et al., “Recent Advances in Microbial-Assisted Remediation of Cadmium-Contaminated Soil,” 2023.
[3] A. H. Amir Husin, “Optimasi Pengaruh Waktu Kontak dan Dosis Adsorben Limbah Daun Kayu Putih (Melaleuca cajuputi) dengan Metode Isoterm Adsorpsi Langmuir,” J. Tek. Kim. USU, vol. 09, no. 2, pp. 80–86, 2020.
[4] R. P. Firmanto, R. D. N. Setyowati, and D. Suprayogi, “Kemampuan Adsorben dari Limbah Serbuk Gergaji Kayu Jati terhadap Penurunan Kandungan Timbal (Pb) pada Limbah Cair dengan menggunakan Sistem Batch,” J. Res. Technol., vol. Vol. 7 No., no. 2, pp. 195–206, 2021.
[5] N. I. Elysa and S. S. H. Putra, “Produksi Microcrystalline Cellulose (MCC) dari Limbah Serbuk Gergaji Kayu Sengon Melalui Proses Sonikasi dan Hidrotermal,” no. Mcc, p. 87, 2017, [Online]. Available: http://repository.its.ac.id/43947/
[6] E. Sulistyawati, S. C. R. Firdaus, M. Safitri, and S. W. Murni, “Kinetika Adsorpsi Ion Zn Menggunakan Serbuk Gergaji Kayu Jati (Tectona grandis) Teraktivasi EDTA dalam Air Limbah Batik Kayu,” Eksergi, vol. 21, no. 2, pp. 140–148, 2024.
[7] S. M. Ulfa, N. Chamidah, and A. Kurniawan, “Adsorption of Cu(II) in Aqueous Solution by Modified Sawdust Cellulose,” IOP Conf. Ser. Earth Environ. Sci., vol. 239, no. 1, 2019, doi: 10.1088/1755-1315/239/1/012008.
[8] A. Farida, S. Ariyani, N. E. Sulistyaningsih, and L. Kurniasari, “PEMANFAATAN LIMBAH KULIT JAGUNG (Zea mays L.) SEBAGAI ADSORBEN LOGAM KADMIUM DALAM LARUTAN,” J. Inov. Tek. Kim., vol. 4, no. 2, pp. 27–32, 2019, doi: 10.31942/inteka.v4i2.3022.
[9] A. Rofiansyah and P. Setiarso, “PENGGUNAAN ZEOLIT SEBAGAI MODIFIER ELEKTRODA PASTA KARBON UNTUK ANALISIS Cd (II) SECARA CYCLIC STRIPPING VOLTAMETRY,” UNESA J. Chem., vol. 5, no. 3, pp. 64–75, 2016.
[10] R. Riskadita, “Pengaruh pH, Lama Kontak, dan Konsentrasi pada Adsorpsi Ion Logam Cd 2+ Menggunakan Kitosan-Silika,” Universitas Brawijaya, 2017.
[11] S. K. Saef, V. Amalia, and A. M. Supriatna, “Adsorpsi Ion Logam Cd(II) oleh Selulosa Limbah Sabut Kelapa sebagai Adsorben Berbiaya Murah,” Gunung Djati Conf. Ser., vol. 15, pp. 60–68, 2022.
[12] I. Lestari, Y. Ristianingsih, A. Istiani, and T. T. Anasstasia, “Studi Isoterm Adsorbsi dan Termodinamika Pada Proses Penyisihan Ion Fe (III) Menggunakan Pektin dari Kulit Pisang,” Eksergi, vol. 20, no. 3, p. 184, 2023, doi: 10.31315/e.v20i3.10033.
[13] E. Sulistyawati, H. Anggarawati, N. Rochmah, and N. Ariardini, “Isoterm dan Termodinamika Adsorpsi Mikrokapsul Kitosan Tertaut Silang Kalium Persulfat Terhadap Zat Warna Methyl Orange,” Eksergi, vol. 19, no. 2, pp. 51–57, 2022.
[14] A. A. Siyal, R. Shamsuddin, A. Low, and A. Hidayat, “Adsorption Kinetics, Isotherms, and Thermodynamics of Removal of Anionic Surfactant from Aqueous Solutions Using Fly Ash, Water, Air, and Soil Pollution,” vol. 231, no. 10, 2020.
[15] D. Setyorini, A. Arninda, A. Q. Syafaatullah, and R. Panjaitan, “Penentuan Konstanta Isoterm Freundlich dan Kinetika Adsorpsi Karbon Aktif Terhadap Asam Asetat,” Eksergi, vol. 20, no. 3, p. 149, 2023, doi: 10.31315/e.v20i3.10835.
Downloads
Published
Issue
Section
Citation Check
License
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution-ShareAlike 4.0 International License that allows others to share and adapt the work with an acknowledgement of the works authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journals published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Upon receiving the proofs, the Author/Editor agrees to promptly check the proofs carefully, correct any errors, and authorize the publication of the corrected proofs.
