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Shinta Indah
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Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Investigasi Pengelolaan Sampah Berbasis Masyarakat Melalui Bank Sampah di Kota Padang Arum Nabila; Rizki Aziz; Shinta Indah
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Waste management at the community level through waste banks has been carried out involving collaboration between the local government, the community and the private sector in Padang City. This research aims to analyze the existing conditions of waste management through waste banks in Padang City. The research was carried out by means of field observations, distributing questionnaires to the community and interviews with related parties such as the managing government, namely DLH of Padang City and waste bank administrators. The results of research through distributing questionnaires show that 81% of the people of Padang City knew about the waste bank, but only 22.2% of the people actively participate in waste bank activities. This is caused by a lack of public knowledge about selecting waste according to type, waste segregation has not been carried out at the source of the waste and the role of the community in waste management to create a clean and healthy environment. On the other hand, it is also known that cooperation between DLH of Padang City, local waste bank managers, waste bank customers and also collectors or third parties has not been integrated.
Persebaran Logam Berat dalam Air Tanah di Sekitar Area Penimbunan Abu Batu Bara pada Lahan Bekas Tambang Kota Sawahlunto Harian, Dedi; Shinta Indah; Ansiha Nur
Jurnal Serambi Engineering Vol. 10 No. 3 (2025): Juli 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Coal ash from the Sawahlunto City coal mine is used to backfill former mine land. This application poses a clear threat to groundwater quality. The objective of this study is clear: to analyze the concentration of heavy metals, including Ni and Cu, and their distribution in groundwater around the coal ash landfill area using response surface methodology in design of experiments. Groundwater samples were taken three times at four locations spaced 0 m, 365 m, 730 m, and 850 m by guiding SNI 6989.58.2008. Laboratory tests of metal concentrations refer to SNI 6989-84:2019. Water quality analysis showed Ni concentration exceeded drinking water quality standards with a measured concentration of 0.227 mg/L, while Cu parameters were still within safe limits with concentrations of 0.0002 mg/L and 0.02 mg/L. The metal distribution analysis definitively showed that coal ash landfilling in the former mining area contributed to groundwater pollution by Ni. The distribution pattern of Ni and Cu decreases with increasing distance. It is imperative that the FABA landfill area be located away from settlements that use groundwater to protect consumers. Further research is needed to determine the safe distance between the coal ash landfill site and groundwater sources.
Co-Authors Ansiha Nur Arum Nabila Harian, Dedi Rizki Aziz