DOI: https://doi.org/10.14710/reaktor.22.2.42-48

Comparison of Different Volume Reactor for Batik Wastewater Pre-Treatment with Ozonation to Improve Biodegradability

Evi Siti Sofiyah  -  Department of Environmental Engineering, Faculty of Infrastructure Planning, Universitas Pertamina, Komplek Universitas Pertamina, Jalan Sinabung II, Terusan Simprug, Jakarta 12220, Indonesia, Indonesia
Iva Yenis Septiariva  -  Sanitary Engineering Laboratory, Study Program of Civil Engineering, Universitas Sebelas Maret,Jalan Ir Sutami 36A, Indonesia., Indonesia
Qomarudin Helmy  -  Department of Environmental Engineering, Faculty of Civil and Enviromental Engineering, Institut Teknologi Bandung, Komplek Universitas Pertamina, Jl. Ganesha No.10, Lb. Siliwangi, Kecamatan Coblong, Indonesia., Indonesia
Suprihanto Notodarmojo  -  Department of Environmental Engineering, Faculty of Civil and Enviromental Engineering, Institut Teknologi Bandung, Komplek Universitas Pertamina, Jl. Ganesha No.10, Lb. Siliwangi, Kecamatan Coblong, Indonesia., Indonesia
*I Wayan Koko Suryawan  -  Department of Environmental Engineering, Faculty of Infrastructure Planning, Universitas Pertamina, Komplek Universitas Pertamina, Jalan Sinabung II, Terusan Simprug, Jakarta 12220, Indonesia, Indonesia
Received: 20 Dec 2021; Published: 18 Aug 2022.
Open Access Copyright (c) 2022 Reaktor under http://creativecommons.org/licenses/by-nc-sa/4.0.

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Abstract

Batik is a unique ethnic and heritage textile from Indonesia with low biodegradability (BOD5/COD) and demanding biological wastewater treatment. However, in its application a high biodegradability value is needed. To increase biodegradability the ozonation process can be used as pre-treatment. The purpose of this study is to determine the effectiveness of ozone pre-treatment in color removal, COD removal, and changes in biodegradability. This study was divided into two types of the reactor with a volume of 2 L and 16 L with each dose of 4 mg/min and 40 mg/min. The results of color removal in the reactor with a volume of 2 L showed a value of 85% for color removal and 34.6% for COD removal. The reduction in efficiency occurred in the color removal to 65% in reactor 16 L. The removal of COD with a volume of 16 L was not evenly distributed at each altitude of 43; 35; and 33% (50; 100; 150 cm). Biodegradability increased from 0.143 to 0,49 (2L reactor) and 0.4-0.45 (16L reactor), this allows for the application of higher biological wastewater treatment. Which the NH3-N and total phenol removal efficiencies of 12.9%-31.4% and 3-21.2%, respectively.

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Section: Research Article
Language : EN
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