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Journal : Jurnal Engineering

Analisis Kandungan Logam Merkuri pada Kerang Kepah (Polymesoda erosa) di SUB DAS Batanghari Hilir Kota Jambi Wasibar Gerit Ario Putra Putra; Jalius Jalius; Shally Yanova
Jurnal Engineering Vol. 3 No. 2 (2021): Volume 3, Nomor 2, Agustus 2021
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2400.936 KB) | DOI: 10.22437/jurnalengineering.v3i2.15407

Abstract

Masyarakat yang memiliki tingkat kesadaran yang rendah akan pentingnya menjaga kebersihan dan kelestarian lingkungan menyebabkan sungai menjadi tempat pembuangan limbah. Limbah yang mencemari sungai akan merugikan makhluk hidup yang ada di sungai maupun di sekitar sungai tersebut, contoh makhluk hidup yang ada di sungai yaitu kerang kepah. Kerang adalah salah satu biota air yang dapat dijadikan indikator tingkat pencemaran yang terjadi di dalam perairan. Kerang bersifat filter feeder, yang mendapatkan makanannya dengan cara menyaring air, dan memakan sedimen sehingga dapat mengakumulasi logam berat dalam jumlah yang tinggi, terutama logam merkuri (Hg). Dengan adanya resiko pencemaran pada kerang kepah oleh logam berat terutama Merkuri yang dapat membahayakan bagi manusia jika mengkonsumsi kerang tersebut, maka perlu dilakukan penelitian terhadap kandungan Merkuri (Hg) pada kerang kepah secara Inductively Coupled Plasma (ICP). Kerang kepah yang digunakan diambil dari perairan Sungai Batanghari sekitar Jembatan Aurduri 1 dan Jembatan Aurduri 2. Menggunakan metode Inductively Coupled Plasma (ICP) karena metode ini merupakam sebuah teknis analisis yang digunakan untuk deteksi dari trace metals dalam sampel lingkungan pada umumnya.
Pemanfaatan Limbah Padat Organik Rumah Tangga Menjadi Eko-Enzim Melalui Peningkatan Keterampilan Kelompok Masyarakat Dusun Karya Maju, Muaro Jambi: Utilization of Household Organic Solid Waste into Eco-Enzymes through Skill Improvement of Community Groups in Karya Maju Hamlet, Muaro Jambi Juita, Febri; Rodhiyah, Zuli; Laura Christina Hutagalung, Winny; Yanova, Shally
Jurnal Engineering Vol. 6 No. 1 (2024): Volume 6, Nomor 1, 2024
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Household organic solid waste is a type of waste that comes from leftover food, vegetables, fruit, dry leaves and other organic materials resulting from daily activities. Household organic waste can cause environmental problems if not managed properly. Eco-enzymes are a mixture of enzymes made from organic materials such as food waste, fruits, vegetables and water. Eco-enzymes can be used as household cleaners, organic fertilizers, or even as medicines. Therefore, this service activity aims to introduce the processing of domestic organic waste into eco-enzymes. The method used is an experiment in making eco-enzymes as well as a scientific approach to what mothers need to solve household waste problems. Eco-enzymes use the principle of a fermentation process over a period of 3-6 months. The service was carried out in the women's yasinan group consisting of around 47 members in Karya Maju District. Based on a preliminary survey, it was discovered that the domestic organic solid waste there had never been processed and was simply thrown away. For this reason, the service team provides counseling and workshops regarding the management of organic solid waste into multi-purpose eco-enzymes. Apart from that, the team also provided equipment to make eco-enzymes. Based on survey results before and after socialization, there was an increase in residents' knowledge and desire to process organic waste into eco-enzymes