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

Reaktor Pub Date : 2022-08-18 DOI:10.14710/reaktor.22.2.42-48

E. Sofiyah, I. Septiariva, Q. Helmy., S. Notodarmojo, W. K. Suryawan

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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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不同体积反应器臭氧化预处理蜡染废水提高可生化性的比较

蜡染是印度尼西亚独特的民族和传统纺织品，具有低生物可降解性(BOD5/COD)和要求生物废水处理。然而，在其应用中，需要具有较高的生物降解价值。为提高生物可降解性，可采用臭氧化预处理。本研究的目的是确定臭氧预处理在去除颜色、去除COD和生物降解性变化方面的有效性。本研究分为两种反应器，体积分别为2 L和16 L，剂量分别为4 mg/min和40 mg/min。在体积为2l的反应器中，去色率为85%，COD去除率为34.6%。16l反应器除色效率下降至65%，体积为16l的COD去除率在43的各高度分布不均匀;35;33% (50;100;150厘米)。生物降解率从0.143提高到0.49 (2L反应器)和0.4-0.45 (16L反应器)，这允许应用更高的生物废水处理。其中NH3-N和总酚的去除率分别为12.9% ~ 31.4%和3 ~ 21.2%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Reaktor

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2 weeks