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All Journal SPEKTRUM INDUSTRI Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS) Environmental Science Journal (esjo)
Sulastri Sulastri
Universitas Malahayati
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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PEMANFAATAN LIMBAH KACA BEKAS SEBAGAI BIOFILTER AEROBIK DALAM PENURUNAN KONSENTRASI BOD AIR LIMBAH DOMESTIK Iin Juniati; Sulastri Sulastri
Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS) Vol 6 No 1 (2023): Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS)
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Banten Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/jls.v6i1.1947

Abstract

Limbah domestik dapat dikelola melalui pengolahan biofilter aerob, salah satunya dengan menggunakan media pelindung layar handphone (tempered glass) dan media kaca bening (float glass). Tujuan dari penelitian ini untuk mengetahui potensi penggunaan tempered glass dan float glass sebagai media pertumbuhan mikroba untuk menurunkan kandungan BOD air limbah domestik. Penelitian didahului dengan menumbuhkan mikroba pada permukaan media selama 4 minggu. Setelah mikroba tumbuh membentuk lapisan biofilm, dilakukan pergantian air limbah domestik yang baru. Sampling dilakukan pada hari ke 0, 3, 6 dan 9. Hasil penelitian menunjukkan bahwa kedua jenis kaca dapat digunakan untuk menumbuhkan mikroba pada media (biofilter). Penggunaan tempered glass sebagai media tumbuh mikroba menurunkan 22,0 mg/l BOD, sedikit lebih banyak dibandingkan float glass yang menurunkan 21,6 mg/l BOD. Berdasarkan kecepatan penurunan BOD, pola pertumbuhan mikroba pada permukaan kedua jenis kaca mempunyai pola yang sama dimana fasa penyesuaian terjadi pada hari ke 0-3, fasa logaritma terjadi pada hari ke 3-6, setelah itu terjadi fasa penurunan.
PENERAPAN METODE FAILURE MODE AND EFFECT ANALYSIS (FMEA) DALAM MENGIDENTIFIKASI MASALAH KERUSAKAN PRODUK PAKAN AYAM PADA PT. JAPFA COMFEED INDONESIA, TBK UNIT LAMPUNG Marcelly Widya Wardana; Sulastri Sulastri; Siti Hasanah
Spektrum Industri Vol. 17 No. 1: April 2019
Publisher : Universitas Ahmad Dahlan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/si.v17i1.9641

Abstract

PT. Japfa Comfeed Indonesia, Tbk Unit Lampung is a company engaged in the field of animal feed with two types of products, namely pellet and crumble. The real condition that often occurs in this company is that there is a final product that has problems in animal feed that is not in accordance with predetermined quality standards. The purpose of this study is to analyze failures that cause product defects by using the Failure Mode and Effect Analysis (FMEA) method, getting the risk of the biggest production process failure in the RPN (Risk Priority Number) value, and proposing improvements for subsequent production. The method used in this study uses statistical tools in the form of check sheets, p control maps and Cause Failure Mode Effect (CMFE) analysis. The results of the control chart analysis show that chicken feed is within the control limit, and the highest Risk Priority Number (RPN) value is the filter with a value of 100 RPN so that the pellet can pass the final stage. To overcome this problem, the proposed improvement is to add a filter to the crumble machine and then carry out routine maintenance and inspection.
Penerapan Sistem Keselamatan Dan Kesehatan Kerja (K3) Di PT Perkebunan Nusantara I Regional 7 Pagar Alam Sumatera Selatan Intan Novitri; Panisean Nasoetion; Sulastri Sulastri
Environmental Science Journal (esjo) : Jurnal Ilmu Lingkungan 2025: Volume 4 Nomor 1 Desember 2025
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851//esjo.v4i1.20740

Abstract

  Occupational Safety and Health (OHS) is an important component in the operational activities of the plantation and agricultural processing industries because every operational activity has potential risks that require appropriate control. The purpose of this study is to examine the implementation of OHS at PT. Perkebunan Nusantara I Regional 7 Kebun Pagar Alam, South Sumatra in order to obtain an overview of the implementation of the OHS system implemented by the company and to understand the efforts made in creating a safe and structured work environment. Data collection methods were carried out through direct observation in the plantation and factory areas, interviews with workers and management, and review of documents related to OHS policies. The results of the study indicate that the company has implemented an OHS system, such as the use of personal protective equipment (PPE), provision of safety facilities, SOPs, an adequate work environment, and regular training for employees. However, there is still non-compliance by some workers in the use of PPE so that supervision and strengthening of the OHS culture are needed.
Co-Authors Iin Juniati Intan Novitri Marcelly Widya Wardana Panisean Nasoetion Siti Hasanah