Nurmi, Fatiyah Aghni Yati (2021) PENGGUNAAN ZnO/ZEOLIT ALAM CLINOPTILOLIT-Ca SEBAGAI PENDEGRADASI AIR LIMBAH PERTANIAN TERHADAP NITRAT DAN NITRIT SECARA FOTOLISIS. Diploma thesis, Universitas Andalas.
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Abstract
Research on the use of ZnO/zeolite clinoptilolite-Ca as a degradation of agricultural waste such as nitrate and nitrite pH by photolysis using a UV lamp (Luster BLB 10 W-TB) at 365 nm. The method of analysis was carried out by UV-Vis spectrophotometer. The results showed that the degradation of agricultural wastewater by photolysis without a catalyst decreased the concentration of nitrite from 0.424 mg/L to 0.370 mg/L during an irradiation time of 75 minutes, while the concentration of nitrate decreased from 11.409 mg/L to 9.762 mg/L during an irradiation time of 90 minute. Degradation of agricultural wastewater using 0.6 g of ZnO/zeolite catalyst decreased the concentration of nitrite from 0.424 mg/L to 0.060 mg/L, using 0.023 g ZnO the concentration of nitrite decreased to 0.120 mg/L, using 0.576 g of zeolite the concentration of nitrite decreased to 0.180 mg/L during an irradiation time of 75 minutes. Degradation of agricultural wastewater using 0.8 g ZnO/zeolite catalyst decreased the nitrate concentration from 11.409 mg/L to 1.543 mg/L, using 0.030 g ZnO the nitrate concentration decreased to 3.160 mg/L, using 0.769 g zeolite the nitrate concentration decreased to 3.931 mg/L during 90 minutes of irradiation. Based on these data, it can be said that the ZnO catalyst supported by zeolite can be used in the degradation process.
| Item Type: | Thesis (Diploma) |
|---|---|
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia |
| Depositing User: | s1 kimia kimia |
| Date Deposited: | 22 Sep 2021 02:14 |
| Last Modified: | 22 Sep 2021 02:14 |
| URI: | http://scholar.unand.ac.id/id/eprint/82687 |
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