Kinetika Penyisihan COD dan Pertumbuhan Biomassa pada Aplikasi Lumpur Aktif pada Air Limbah Industri Tahu
Abstract
Tofu wastewater is one of the residues produced by the industry, where this residue is greater than the product. Activated sludge is one of the conventional wastewater treatment techniques that can be applied to the tofu industry. Kinetic parameters are an important basis in bioreactor design. This study aims to determine the specific growth rate () and the rate of degradation of the substrate (q) in the bioreactor of tofu wastewater treatment with an activated sludge process. This study consisted of three stages, namely acclimatization 1, acclimatization 2, and the process of treating wastewater purely. Specific growth rates at each stage of acclimation 1, acclimation 2, and running were 0.0589 days-1, 0.0539 days-1, and 0.0478 days-1. Whereas the value of substrate removal rate is 0.4591 day-1, 0.4179 day-1, and 0.3761 day-1, respectively.
References
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Chen, C. C., Wu, J. H., Lay, C. H., Sen, B., & Chang, J. S., 2011. Kinetics Of Hydrogen Production From Condensed Molasses Fermentation Solubles Using Sewage Sludge In A Continuous Stirred Tank Reactor. Environ. Res, 21(2): 117-121.
Chu, C. Y., Tung, L., & Lin, C. Y., 2013. Effect Of Substrate Concentration and pH on Biohydrogen Production Kinetics From Food Industry Wastewater by Mixed Culture. International Journal of Hydrogen Energy. 38(35): 15849-15855.
Dwiyantara, A., & Nugrahini, P. F., 2013. Penentuan Nilai Parameter Kinetika Proses Dalam Perombakan Secara Anaerobik Limbah Cair Industri Gula, Tepung Tapioka, dan Minyak Kelapa Sawit Menggunakan 4 Reaktor UASB. Bionatura. 15(1).
Fergala, A., Al Sayed, A., & Eldyasti, A., 2018. Behavior of Type II Methanotrophic Bacteria Enriched From Activated Sludge Process While Utilizing Ammonium as A Nitrogen Source. International Biodeterioration & Biodegradation. 130: 8-16.
Grady, C. P. L., Daigger, G. T., & Lim, H. C. 1999. Biological wastewater treatment: Principles and practice. New York, Marcel Dekker
Mahmoud, A. M. A., 2017. Biological Conversion Process of Methane Into Methanol Using Mixed Culture Methanotrophic Bacteria Enriched From Activated Sludge System.
Manfaati, R., 2010. Kinetika dan Variabel Optimum Fermentasi Asam Laktat dengan Media Campuran Tepung Tapioka dan Limbah Cair Tahu Oleh Rhizopus oryzae. Doctoral Dissertation, Universitas Diponegoro.
Perez‐Garcia, O., De‐Bashan, L. E., Hernandez, J. P., & Bashan, Y., 2010. Efficiency of Growth and Nutrient Uptake From Wastewater by Heterotrophic, Autotrophic, and Mixotrophic Cultivation of Chlorella Vulgaris Immobilized With Azospirillum brasilense 1. Journal of Phycology. 46(4): 800-812.
Pirbazari, M., Varadarajan R., Badriyha, B. D., dan Kim, S.H.,. 1996. Hybrid Membrane Filtration Process for Leachate Treatment. Wat. Res.11: 2691–2706.
Ratnasari, R. D., 2012. Kemampuan Kombinasi Eceng Gondok dan Lumpur Aktif untuk Menurunkan Pencemaran pada Limbah Cair Industri Tahu. Jurnal Ilmiah Momentum. 8(2).
Reynolds. 1982. Unit Operation and Processes in Environmental Engineering, Texas A&M University, Brook/Cole Engineering Division, California.
Sakinah, N. E., Rahmatullah, L. T., Kuncoro, E. P., & Oktavitri, N. I., 2019. Performance of Sequencing Batch Reactor (SBR) of Treated Tofu Wastewater: Variation of Contact Time and Activated Sludge Sources. In IOP Conference Series: Earth and Environmental Science. 259(1).
Sudaryati, N. L. G., Kasa, I. W., & Suyasa, I. W. B., 2012. Pemanfaatan Sedimen Perairan Tercemar Sebagai Bahan Lumpur Aktif dalam Pengolahan Limbah Cair Industri Tahu. Ecotrophic: Jurnal Ilmu Lingkungan (Journal of Environmental Science): 3(1).
Suryawan, I. W. K.., Prajati, G., Afifah, A. S., Apritama, M. R., & Adicita, Y.. 2019a. Continuous Piggery Wastewater Treatment With Anaerobic Baffled Reactor (Abr) by Bio-Activator Effective Microorganisms (EM4). Indonesian Journal of Urban And Environmental Technology. 3(1): 1-12.
Suryawan, I., Siregar, M. J., Prajati, G., & Afifah, A. S., 2019b. Integrated Ozone and Anoxic-Aerobic Activated Sludge Reactor for Endek (Balinese Textile) Wastewater Treatment. Journal of Ecological Engineering. 20(7).
Suryawan, I. W. K.., Helmy, Q., & Notodarmojo, S., 2020. Laboratory Scale Ozone-Based Post-Treatment From Textile Wastewater Treatment Plant Effluent For Water Reuse. Journal of Physics: Conference Series. 1456(1).
Suryawan, I. W. K.., & Sofiyah, E. S., 2020. Cultivation of Chlorella Sp. and Algae Mix for NH3-N and PO4-P Domestic Wastewater Removal. Civil and Environmental Science Journal. 3(1).
Hikmah, S. F., Rahman, A., Kholiq, I. N., & Andriani, Z. Z. D., 2019. Teknologi Pengolahan Limbah Industri Tahu sebagai Upaya Pengembangan Usaha Kecil Menengah (UKM) di Kecamatan Gambiran Kabupaten Banyuwangi. Jurnal Istiqro.5(1): 53-71.
Wang, Y., & Serventi, L., 2019. Sustainability of Dairy and Soy Processing: A Review on Wastewater Recycling. Journal of Cleaner Production.
Widada, A., 2019. The Effectiveness Of Liquid Waste Treatment With Tofu Industry Aeration Method. In 1st International Conference on Inter-Professional Health Collaboration (ICIHC 2018). Atlantis Press.
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