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Pengolahan Limbah Domestik PT X Dengan Unit Anaerobic Buffle Reaktor Namira Namira; Tuhu Agung Rachmanto
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 3 No. 1 (2024): Maret : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v3i1.3278

Abstract

Domestic waste produced by one of the chicken cutting industries, PT X, in the Jombang region, East Java, has not been properly treated. Domestic waste, commonly known as greywater, is wastewater originating from kitchen activities, toilets, sinks, and so on, carried out by the workers. If this wastewater is directly discharged into the environment without prior treatment, it can cause pollution and have adverse effects on aquatic life. One of the efforts to manage PT X's domestic waste is by using the Anaerobic Baffle Reactor (ABR) unit. The selection of the ABR unit is based on the treatment system at PT X's wastewater treatment plant (IPAL). In this IPAL, there is a sedimentation process and degradation of organic material by anaerobic bacteria, which can minimize the land use for domestic wastewater treatment. The aim of this research is to determine the efficiency in reducing parameters present in PT X's domestic wastewater, namely COD, BOD, and TSS. This study is expected to provide an alternative for treating domestic waste at PT X so that the discharged waste does not pollute the surrounding factory environment.  
DAMPAK EKONOMI DAN LINGKUNGAN PERTAMBANGAN EMAS TANPA IZIN (PETI) DI DESA DEMANG KECAMATAN LIMUN KABUPATEN SAROLANGUN Namira Namira; Nurlia Fusfita; Ferri Saputra Tanjung
Jurnal Riset Manajemen dan Akuntansi Vol. 3 No. 3 (2023): Desember: Jurnal Riset Manajemen dan Akuntansi
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurima.v3i3.2502

Abstract

Community mining activities are a category of small-scale mining, which is traditionally cultivated. This gold mining is carried out illegally, it is said to be illegal not only because it is done without a permit, but in practice mining is carried out without rules so that it can damage the environment. Gold mining or often called dompeng is no stranger to teh community, it has even become a normal work activity for the community/people doing it. This study aims to find out how the impact and socio-economic conditions of the community on gold mining. This study uses qualitative methods, the data in this study were obtained from primary data and secondary date. Using the method of observation, interviews and documentation. The information in this study is the owner of the mine, miners, farmers, community leaders and village officials. From the results of the study it can be concluded that gold mining activities without a permit have both positive and negative impacts on ecological, economic and social aspects. The negative impact on the environment is environmental changes caused by gold mining activities which make the area around the mining area polluted, such as muddy river water. While the positive impact is the economic conditions of the Demang Village Community after switching to mining workers and gold mining enterpreneurs, increasing income and meeting the needs of the community. As well as the very limited and uneven economic conditions of the community, this is a factor causing the rise of gold mining.