The Use of Zinc Oxide (ZnO) Photocatalyst for Photodegradation of Car Wash Wastewater

Abd Mujahid Hamdan (Teknik Fisika, UIN Ar-Raniry Banda Aceh)
Rauza Azkiya (Teknik Lingkungan, Fakultas Sains dan Teknologi, UIN Ae-Raniry, Banda Aceh)
Arief Rahman (Teknik Lingkungan, Fakultas Sains dan Teknologi, UIN Ae-Raniry, Banda Aceh)
Mailiza Efriana (Teknik Lingkungan, Fakultas Sains dan Teknologi, UIN Ae-Raniry, Banda Aceh)
Rahmad Maulana (Teknik Lingkungan, Fakultas Sains dan Teknologi, UIN Ae-Raniry, Banda Aceh)
Hanif Hanif (Teknik Lingkungan, Fakultas Sains dan Teknologi, UIN Ae-Raniry, Banda Aceh)

JFA (Jurnal Fisika dan Aplikasinya)
Vol 19, No 1 (2023)

Untreated motor vehicle waste has the potential to damage the environment. The photodegradation method can decompose pollutants with the help of UV-A light and photocatalysts. Zinc Oxide (ZnO) is a photocatalyst capable of degrading motor vehicle washing waste. This study aims to investigate the ability of ZnO as a photocatalyst in degrading pollutants in motor vehicle waste. The independent variables in the experiment were the mass of ZnO and the contact time. The variables used were mass 0.5, 0.75, and 1 gram with a contact time of 2, 3, and 4 hours. The experimental results showed that ZnO irradiated with UV-A lamp was able to degrade organic substances. The mass and contact time of ZnO affect the effectiveness of photodegradation. These results show that the use of ZnO photocatalyst for photodegradation of Carwash Wastewater may be future technology to treat car wash wastewater.