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Irhamni
Institut Teknologi Sumatera
Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Potential of Phytoremediation Using Kiambang (Salvinia molesta) for Treating Textile Industry Wastewater in Indonesia Irhamni; Chalid Mucharrabin; Teuku Muhammad Ashari; Arief Rahman; Husnawati Yahya; Vera Viena; Erdiwansyah
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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This study aims to evaluate the effectiveness of phytoremediation using plants in reducing chromium (Cr) levels and modifying pH in batik wastewater. The research was conducted using three experimental tanks: Control Tank (without plants), Tank 1 (with 8 plants) and Tank 2 (with 16 plants). The results showed that in the control tank the pH fluctuated and reached 8.1 on the 9th day, while in tank 1 and tank 2 the pH was more controlled with peak values of 7.9 and 8.2 respectively. The most significant reduction in chromium levels occurred in tank 2, with treatment efficacy reaching 70% on day 9, compared to 45% in tank 1 and 10.5% in the control tank. These results indicate that phytoremediation with more plants can significantly improve the treatment efficiency of batik wastewater, making it a potential and environmentally friendly method for industrial wastewater treatment. The phytoremediation method was carried out by observing variations in the number of plants using 3 reactor tanks. The first tank was a control tank, the second tank (BR2) contained 8 plants and the third tank (BR3) contained 16 plants. Samples were taken on days 3, 6 and 9. The results showed that the highest effectiveness in reducing total chromium (Cr) levels occurred in the third tank (BR3) on day 9, with a reduction of 70%.
Efektivitas Biokonversi Sampah Organik di Institut Teknologi Sumatera Menggunakan Larva Black Soldier Fly (Hermetia Illucens) Gabriella Anggi Renca; Aulia Annas Mufti; Firdha Cahya Alam; Alfian Zurfi; Yuni Lisafitri; Irhamni
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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In an effort to utilise organic waste that also has high economic value, a promising technology for processing organic waste is bioconversion using Black Soldier Fly (BSF). This research aims to determine the effect of variation in feeding rate on the nutritional content of BSF larvae, the quality of BSF larvae residue and the waste reduction index in the ITERA food waste organic waste decomposition process. The results of the research and data analysis tests show that the residue of BSF larvae does not meet the SNI 19-7030-2004 organic fertiliser quality standards in terms of phosphorus content, but the elements P, K and C/N ratio still meet the standards. Analysis of the proximate content of BSF larvae showed that the highest fat content was 0.8529 in reactor B; for the highest protein content was 12.7204 in reactor A and the highest water content was 64.1010 in reactor C. Calculation results of the waste reduction index reached the highest value of 5.94 grams per day.
Co-Authors Alam, Firdha Cahya Alfian Zurfi Arief Rahman Aulia Annas Mufti Chalid Mucharrabin Erdiwansyah Gabriella Anggi Renca Husnawati Yahya Teuku Muhammad Ashari Vera Viena Yuni Lisafitri