Published July 18, 2025 | Version v1
Preprint Open

Efektivitas Iradiasi Gamma Terhadap Degradasi Zat Warna Azo Metilen Biru

Authors/Creators

  • 1. ROR icon Politeknik Teknologi Nuklir Indonesia

Description

Metilen biru merupakan salah satu zat warna azo yang sering ditemukan dalam limbah industri tekstil. Zat ini bersifat toksik dan sulit terurai secara alami, sehingga dapat mencemari lingkungan jika tidak dikelola dengan baik. Penelitian ini bertujuan untuk mengkaji efektivitas iradiasi gamma dalam mendegradasi methylen blue dengan berbagai konsentrasi awal (100 ppm; 150 ppm; 200 ppm; 300 ppm; 400 ppm; 500 ppm) dan dosis iradiasi (5 kGy; 10 kGy; 15 kGy). Hasil Penelitian menunjukkan bahwa pada konsentrasi rendah (<200 ppm), degradasi metilen biru berjalan efektif pada dosis 15 kGy. Pada konsentrasi awal tinggi (>200 ppm), degradasi menjadi kurang optimal meskipun dosis ditingkatkan hingga 15 kGy. Bahkan, terjadi peningkatan konsentrasi akhir akibat pembentukan senyawa turunan yang terdeteksi sebagai metilen biru. Sehingga, untuk konsentrasi tinggi diperlukan dosis iradiasi yang lebih besar.

Abstract (English)

Methylene Blue is an azo dye that is often found in textile industry waste. This substance is toxic and difficult to decompose naturally, so it can pollute the environment if not managed properly. This study aims to examine the effectiveness of gamma irradiation in degrading methylene blue with various initial concentrations (100 ppm; 150 ppm; 200 ppm; 300 ppm; 400 ppm; 500 ppm) and irradiation doses (5 kGy; 10 kGy; 15 kGy). The research results showed that at low concentrations (<200 ppm), methylene blue degradation was effective at a dose of 15 kGy. At high initial concentrations (>200 ppm), degradation was less than optimal even though the dose was increased to 15 kGy. In fact, there was an increase in the final concentration due to the formation of a derivative compound which was detected as methylene blue. So, for high concentrations a larger dose of irradiation is needed.

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Additional details

Additional titles

Translated title (English)
The Effectiveness of Gamma Irradiation on The Degradation of Azo Dye Methylene Blue

Dates

Submitted
2025-07-18

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