Tofu Industrial Wastewater Treatment with Ozonation and the Adsorption Method using Natural Zeolite
Tofu industrial wastewater is usually disposed of directly without undergoing waste treatment, a process which endangers the environment. The amounts of COD and TSS in the wastewater exceed the maximum levels determined by the government. Ozonation and adsorption are well-known methods which can deg...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universitas Indonesia
2019-12-01
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| Series: | International Journal of Technology |
| Subjects: | |
| Online Access: | http://ijtech.eng.ui.ac.id/article/view/3471 |
| Summary: | Tofu industrial wastewater is usually disposed of directly without undergoing waste treatment, a process which endangers the environment. The amounts of COD and TSS in the wastewater exceed the maximum levels determined by the government. Ozonation and adsorption are well-known methods which can degrade organic and inorganic compounds in wastewater effectively. In this research, the removal of COD and TSS from tofu industrial wastewater was examined through the use of the ozonation method, adsorption method using natural zeolite, and the combination of the two. The sample was passed into a packed bed column containing natural zeolite and ozone used for about 60 minutes. The effectiveness of the method was evaluated by COD and TSS degradation, with varying dosages of ozone and amounts of natural zeolite (50 g, 75 g, and 100 g). The best result was achieved by using a combination of ozonation and adsorption, with 100 g of zeolite and an ozone dosage of 155.1 mg/h, which achieved 219.4 mg/L and 25 mg/L removal COD and TSS respectively. |
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| ISSN: | 2086-9614 2087-2100 |