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All Journal Phi : Jurnal Pendidikan Fisika dan Terapan
Shafaria, Mileani
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Earth & Planetary Sciences Education Engineering Physics Other

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Preliminary Study of pH, EC, TDS, and Heavy Metals Analysis of Oxbow’s Sediments in Bandung Region Alfitrah, Siti Percika; Kirana, Kartika Hajar; Fitriansyah, Rd Agung; Shafaria, Mileani
Phi: Jurnal Pendidikan Fisika dan Terapan Vol 10, No 1 (2024)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v10i1.22714

Abstract

The Oxbow Lake is a vital part of river and it usually used for household, agricultural, and fisheries needs. The oxbow lake faces pollution risks from human activities. This study aims to assess the quality of water and sediment by pH, EC, and TDS of water and sediment as well as heavy metal content in sediment. The results show that the environmental conditions of the oxbow lakes around the Upper Citarum River are generally good because they fall within the safe limits for hygiene and sanitation standards, except for Babakan Patrol Oxbow Lake and Sapan Oxbow Lake. Unfortunately, the heavy metal levels in samples O1-2, O4-2, and O7-1 exceed sediment quality guidelines. These measurements indicate evidence of anthropogenic influence on sediment samples.
Physical Properties of Orange Peels Eco-enzyme: One way to Reduce and Recycle Waste and Environmental Problem Kirana, Kartika Hajar; Budianto, Muhammad Abdillah; Pranatikta, Krishna Agra; Shafaria, Mileani; Agustine, Eleonora; Fitriani, Dini; Susilawati, Anggie; Hasanah, Mia Uswatun
Phi: Jurnal Pendidikan Fisika dan Terapan Vol 8, No 2 (2022)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v8i2.15355

Abstract

A high quantity of organic waste without proper waste management can endanger public health and environmental sustainability. To reduce the risk that can be caused by organic waste pollution, then there should be a solution. One of them is to make eco-enzyme. Eco-enzyme is a fermented solution from organic waste that can be used as floor cleaner, plant disinfectant, hand sanitiser, plant fertilizer, etc. A good eco-enzyme solution has special properties. One of them is the low-value power of Hydrogen (pH). In this study, other physical properties of eco-enzyme are analyzed. Eco-enzyme was produced from organic waste. Here, Sunkist orange peel and various mixtures of orange peel were used as the main materials of eco-enzyme. The eco-enzyme solutions were carried out for 33 days, accompanied by routine monitoring by reviewing physical parameters such as pH, Total Dissolved Solid (TDS), and Electrical Conductivity (EC) values. The results showed the characteristics of the eco-enzyme product by physical properties are the eco-enzyme has an acidic with a low pH value (<3.6) accompanied by high values of TDS (>1000 ppm) and EC (>1500mS/cm). The finding is TDS and EC have high value whereas usually high EC and TDS are owned by polluted liquids.
Co-Authors Alfitrah, Siti Percika Budianto, Muhammad Abdillah Dini Fitriani, Dini Eleonora Agustine Fitriansyah, Rd Agung Kartika Hajar Kirana, Kartika Hajar Mia Uswatun Hasanah Pranatikta, Krishna Agra Susilawati, Anggie