Darmawan, Arya (2025) Kapasitas Desain Reaktor terhadap Penyisihan Kadar Cr6+ Industri Pelapisan Logam Menggunakan Resin Immobilized Photocatalyst-TiO2 pada Reaktor Continue. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
This research aims to study the design capacity of a reactor for the removal of Cr6+ from metal plating industrial waste using an resin immobilized photocatalyst-TiO2 in a continuous reactor. The resin with immobilized TiO2 was optimized to increase the photocatalyst's efficiency in degrading Cr6+ ions. Reactor design parameters such as Cr6+, turbidity, pH, and temperature were analyzed to determine the optimum performance in reducing Cr6+ concentration to a level that meets environmental standards. The experimental results showed that the reactor with a flow rate of 60 mL/minute using RIPT-TiO2 could remove up to 72.98% of the Cr6+ content within a sampling time of 180 minutes, while the use of a control resin could only achieve 70.18%. RIPT-TiO2 works on the principle of a photocatalyst, where the TiO2 bound to the resin generates free radicals when exposed to UV light, which reduces Cr6+ to Cr3+. The flow rate influences the removal efficiency. A slow flow rate allows for a longer contact time between the waste and the resin, thereby maximizing the ion exchange process. However, when the flow rate is too low, the distribution of particles and fluid flow tends to be uneven, causing some areas on the photocatalyst's surface to not receive effective and even light exposure.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TD Environmental technology. Sanitary engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Environmental Engineering | ||||||||
| Depositing User: | Arya Darmawan | ||||||||
| Date Deposited: | 12 Sep 2025 08:08 | ||||||||
| Last Modified: | 12 Sep 2025 08:08 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/43014 |
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