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Septiansyah, Edo
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Effectivity Of Multi Tray Aerator As Pretreatment Process For Reverse Osmosis Membrane To Utilized As Raw Water At Sungai Itik Village Septiansyah, Edo; Purnaini, Rizki; Danial, Mochammad Meddy
Jurnal Teknologi Vol 16, No 1 (2024): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.16.1.105-116

Abstract

The community in Sungai Itik Village and its vicinity use river water for their daily needs, such as irrigation for agriculture, fish ponds, washing, bathing, and more. The quality of the river water has an iron (Fe) content of 2,64 mg/L, Total Dissolved Oxygen (TDS) of 347 mg/L, Dissolved Oxygen (DO) of 4,7 mg/L, a temperature of 29°C, and a pH of 5,4. The iron (Fe) content exceeds the standards set by PerMenKes No. 32 of 2017, requiring treatment using a multiple-tray aerator. This study aimed to determine the effective distance and number of trays in treating Sungai Itik's raw water, understand the coefficient of gas transfer (KLa) in the aeration process, and find the optimum aeration time. This study employed a multiple-tray aerator consisting of 5 trays with variations in the tray distances at 30 cm, 40 cm, 50 cm, and 60 cm. Three repetitions were performed for each treatment, both without gravel and with gravel. The results of this study showed that the best reduction in Fe content was achieved by the treatment with gravel at a tray distance of 60 cm using 5 trays, resulting in a 6,64% reduction in Fe from an average value of 1,51 mg/L to 1,41 mg/L. The average pH value was 6,19, and the TDS was 890 mg/L. The highest oxygen transfer rate (KLa) was obtained at a tray distance of 60 cm with gravel, averaging 0,2857/minute, and the optimum aeration time was 10 minutes.
PERFORMANCE ANALYSIS OF SMALL SCALE DESALINATION PLANT BASED ON MULTI TRAY AERATOR, MEDIA FILTER, AND SEAWATER REVERSE OSMOSIS Danial, Mochammmad Meddy; Purnaini, Rizki; Khairi, Syahrul; Setiawan, Eric; Nadeak, Raymond; Septiansyah, Edo; Abshar, Khairul
Jurnal Teknik Sipil Vol 22, No 2 (2022): JURNAL TEKNIK SIPIL EDISI DESEMBER 2022
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jtst.v22i2.58988

Abstract

Seawater as abundant source for clean water is deemed as impossible task, particularly in developing country. Therefore, the feasibility of applying the reverse osmosis technology, particularly in the coastal area for drinking water is need further investigation. This paper aims to design and analyze the performance of small-scale desalination plant using combination of multi tray aerator, media filter, and multiple membranes consisting of ultrafiltration, brackish, and seawater membranes.Parameters used to verify the performance of small plant are salinity and total dissolved solid for membranes, while the parameters for examining the pre-treatment are Fe and Mn. The test results will be evaluated under the regulation of minister of health, Permenkes No. 32/2017. The influence of the pump pressure on the flow will also be analyzed.The result shows that the desalination plant can reduce the salinity concentration significantly from 10,200 ppm to 16 ppm, or 99.84%. The ratio of clean water to rejected water is 36%.  However, bacteria of E. Coli are still found in clean water, which is probably caused by biofouling.
PEMANFAATAN TULANG IKAN TONGKOL (Euthynnusaffinis C) DARI LIMBAH HOME INDUSTRY ABON SEBAGAI TEPUNG Septiansyah, Edo; Putra, Oggi Agustiandi; Abshar, Khairul; Jati, Dian Rahayu; Apriani, Isna
Jurnal Teknologi Lingkungan Lahan Basah Vol 8, No 2 (2020): Juli 2020
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (232.788 KB) | DOI: 10.26418/jtllb.v8i2.44169

Abstract

Abstract  Waste minimization is an effort to reduce the volume, concentration, toxicity, and hazard level of waste originating from the production process by reducing its source and / or utilizing waste. Shredded fish is a processed product in the form of fine and dry fish meat fiber where the manufacturing process is a combination of boiling and frying by adding spices. The amount of industrial production of tuna shredded typical of Pontianak every Saturday and Sunday can reach 5-10 kg (depending on the order) with attractive packaging which is sold for IDR 50,000 per 200 grams. In processing tuna shredded it produces waste such as head, bones, tail, skin , and entrails. The minimization of waste that is carried out is the waste of fish bones produced by shredded fish which is used to become flour which contains lots of calcium.  Keywords:  Clean Technology, Fish Bone Flour, Shredded Fish Waste , Tongkol Fish, and Waste Minimization  Abstrak  Minimisasi limbah adalah upaya untuk mengurangi volume, konsentrasi, toksisitas, dan tingkat bahaya limbah yang berasal dari proses produksi, dengan jalan reduksi pada sumbemya dan atau pemanfaatan limbah. Abon ikan adalah hasil olahan berupa serat daging ikan yang halus dan kering dimana proses pembuatannya merupakan kombinasi antara perebusan dan penggorengan dengan melakukan penambahan bumbu. Jumlah produksi Industri Abon ikan tongkol khas Pontianak setiap hari sabtu dan minggu bisa mencapai   5-10   kg (tergantung pesanan) dengan kemasan menarik yang dijual Rp50 ribu per 200 gram.Dalam Pengolahan abon ikan tongkol tersebut menghasilkan limbah seperti kepala,tulang,ekor, kulit, dan isi perut. Minimisasi limbah yang dilakukan adalah Limbah tulang ikan hasil produksi abon dimanfaatkan menjadi tepung yang banyak mengandung kalsium.  Kata Kunci :  Ikan Tongkol , Limbah Abon Ikan, Minimasi Limbah, Teknologi Bersih dan Tepung Tulang Ikan
Co-Authors Abshar, Khairul Apriani, Isna Danial, Mochammmad Meddy Jati, Dian Rahayu Mochammad Meddy Danial Nadeak, Raymond Putra, Oggi Agustiandi Rizki Purnaini Setiawan, Eric Syahrul Khairi