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Danial, Mochammmad Meddy
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Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Energy Mechanical Engineering Medicine & Pharmacology Social Sciences

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Pemanfaatan Data Pasang Surut Stasiun Meteorologi dan Maritim untuk Identifikasi Kenaikan Muka Air Laut dan Mitigasi Banjir Kota Pontianak Danial, Mochammmad Meddy; -, Darmania -; Sari, Nanda Purnama
Jurnal Pengabdi Vol 4, No 2 (2021): Oktober 2021
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jplp2km.v4i2.48773

Abstract

Kota Pontianak terletak pada daerah dataran rendah, sehingga sangat rentan terhadap genangan banjir akibat air laut pasang. Tulisan ini bertujuan untuk memanfaatkan dan menganalisis data pasang surut untuk mengidentifikasi kenaikan muka air laut dan membakukan satuan muka air pasang surut. Data pasang surut jam-jaman diperleh dari diperoleh dari Stasiun Meteorologi Maritim Pontianak. Panjang data satu tahun diolah dengan metode analisa harmonik untuk mendapatkan konstanta pasang surut, untuk tahun 2016 dan 2020. Nilai konstanta tersebut akan digunakan untuk mengidentifikasi kenaikan muka air laut dengan cara menghitung tinggi muka air makimum, tinggi muka air rata-rata, dan tinggi muka air minimum. Untuk membakukan data elevasi muka air pasang surut, dilakukan konversi elevasi tinggi palm pasang surut menjadi satuan meter LWS dengan menggunakan waterpas untuk menghitung beda tinggi dengan elevasi lantai dermaga 01 Pelindo. Hasil analisis menunjukkan indikasi kenaikan muka air laut, dimana tinggi muka air laut rata-rata berubah dari 1.54 m LWS pada tahun 2016 menjadi 1.66 m LWS pada tahun 2020. Hasil nilai muka air maksimum adalah 2.6 m LWS dan hasil nilai muka air minimum adalah 0.93 m LWS. Beda tinggi antara elevasi puncak palm pasang surut dengan lantai dermaga menunjukkan perbedaan +0.810 m. Dengan demikian, elevasi puncak palm pasang surut setara dengan +3.0 m LWS, jika diukur dari lantai dermaga Pelindo.Kata Kunci: pasang surut, kenaikan muka air laut, mitigasi banjir, konversi elevasi palm. 
Electrocoagulation and Filtration for Brackish Peat Water Desalination Danial, Mochammmad Meddy; Soeryamassoeka, S.B.; Irmansyah, Fitri; Purnaini, Rizki; Teguh, Rahmat
Jurnal Teknik Sipil Vol 24, No 4 (2024): Vol 24, No 4 (2024): JURNAL TEKNIK SIPIL EDISI NOVEMBER 2024
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v24i4.86660

Abstract

Electrocoagulation and filtration have been recognized as effective solutions for water treatment for many years. However, their application in the desalination process remains relatively uncommon. This research will highlight the requirement of systematic investigation into the potential of these processes for effectively reducing salinity levels on brackish water sources. Therefore, this experimental study in a laboratory setting is proposed to explore the efficacy of electrocoagulation combined with filtration in desalinating brackish peat water. The study aims to analyze the performance of these combined treatment processes by measuring key water quality parameters, including salinity and total dissolved solids (TDS), before and after treatment. Through a series of controlled experiments, the effects of varying treatment durations and operational conditions will be assessed to determine optimal parameters for maximum desalination efficiency. By employing advanced statistical analyses, such as ANOVA, this research will rigorously evaluate the effectiveness of the treatment processes. The combination of electrocoagulation (4 hours) and filtration (30 minutes) achieves significant reductions in both salinity and TDS, with a 40% to 83% improvement in water quality. ANOVA confirms these results, showing significant effects (F F-crit, P 0,05). While filtration alone is more effective than electrocoagulation, the combined approach yields even greater contaminant removal, highlighting its superior efficiency.
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.
Co-Authors -, Darmania - Abshar, Khairul Irmansyah, Fitri Nadeak, Raymond Rizki Purnaini Sari, Nanda Purnama Septiansyah, Edo Setiawan, Eric Stefanus Barlian Soeryamassoeka Syahrul Khairi Teguh, Rahmat