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Vegatama, Meita Rezki
Sekolah Tinggi Teknologi Migas
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Rancang Bangun Filtrasi Air Skala Rumah Tangga dengan Analisa Efisiensi Alat Laksana, Rizal Abi; Vegatama, Meita Rezki; Kumalasari, Prapti Ira
Jurnal Pendidikan Tambusai Vol. 6 No. 1 (2022): April 2022
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (403.121 KB)

Abstract

Pengolahan air dengan menggunakan metode filtrasi atau penyaringan merupakan metode fisik yang dilakukan dalam mengolah air sebagai air minum. Proses filtrasi ini cara kerjanya bisa dipengaruhi oleh gravitasi ataupun tenaga putar. Penelitian ini bertujuan untuk mengetahui nilai reynold dan efisiensi alat filtrasi skala rumah tangga. Metode yang digunakan dalam penelitian ini yaitu: dua tabung filtrasi pipa dan pompa air untuk bertujuan memompa air dari dalam sumur, komponen dalam tabung filtrasi, karbon aktif, pasir silika dan filter air. Hasil yang didapatkan dari penelitan ini yaitu nilai reynold pasir silika 212,44 dan karbon aktif 147,40. Kemudian diperoleh nilai efisiensi alat filtrasi ini sebesar 72,80 %.
Pengukuran Tegangan Listrik dari Tingkat Viskositas Limbah Minyak Kelapa Sawit Menggunakan Viskometer Otomatis Berbasis Arduino Uno Ain Sahara; Meita Rezki Vegatama; Riza Hadi Saputra; Miftahul A.M Huda
JST (Jurnal Sains Terapan) Vol 6, No 2 (2020): JST (Jurnal Sains Terapan)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v6i2.881

Abstract

Palm oil is one of the basic ingredients of food used for frying food. Usually, we find a large amount of palm oil waste. Based on this, utilize the waste into alternative energy that can be used by the community in everyday life. The method used by analyzing the relationship between the viscosity of palm oil waste and the electrical energy generated using an automatic viscometer that is designed based on Arduino Uno as a control of tool to run the programming of the tool. The analysis results obtained are based on four experiments. In the first trial with a final temperature of 39.19oC obtained a viscosity value of 9.68 Pa.s, and produced an electrical voltage of 2.62 V. The results of the fourth trial with a final temperature of 83.19oC obtained a viscosity value of 3.53 Pa .s, and produces an electrical voltage of 1.96 V for 1.5 liters of palm oil waste. Based on the results of the trial it was concluded that the lower the temperature of the palm oil waste, the higher the value of the viscosity and the resulting voltage, and the higher the temperature the lower the value of the viscosity and the resulting voltage. Keywords : palm oil waste, viscosity, electric voltage ABSTRAKMinyak kelapa sawit merupakan salah satu bahan dasar makanan yang digunakan untuk menggoreng makanan. Biasanya, kita menemukan limbah minyak sawit dalam jumlah yang cukup besar. Berdasarkan hal ini, akan memanfaatkan limbah tersebut menjadi energi alternatif yang dapat digunakan masyarakat dalam kehidupan sehari-hari. Metode yang digunakan dengan melakukan analisa terhadap hubungan viskositas limbah minyak kelapa sawit dengan energi listrik yang dihasilkan menggunakan viskometer otomatis yang dirancang berbasis Arduino Uno sebagai alat kontrol pemrograman alat tersebut. Hasil analisa yang didapat berdasarkan dari empat kali percobaan. Pada uji coba pertama dengan suhu akhir 39,19oC didapat nilai viskositas sebesar 9,68 Pa.s, dan menghasilkan tegangan listrik sebesar 2,62 V. Hasil uji coba keempat dengan suhu akhir 83,19 oC didapat nilai viskositas sebesar 3,53 Pa.s, dan menghasilkan tegangan listrik sebesar 1,96 V untuk 1,5 liter limbah minyak kelapa sawit. Berdasarkan hasil uji coba tersebut didapat kesimpulan bahwa semakin rendah suhu pada limbah minyak kelapa sawit maka semakin tinggi nilai viskositas dan tegangan yang dihasilkan, dan semakin tinggi suhu maka semaikin rendah nilai viskositas dan tegangan yang dihasilkan.Kata kunci :  limbah minyak kelapa sawit,, tegangan listrik, viskositas
PENGARUH PLATFORM ZOOM TERHADAP MOTIVASI DAN HASIL BELAJAR MATA KULIAH KIMIA MIGAS SELAMA PANDEMI COVID-19 Meita Rezki Vegatama; Amiruddin .
Jurnal Education and Development Vol 9 No 3 (2021): Vol.9.No.3.2021
Publisher : Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.846 KB) | DOI: 10.37081/ed.v9i3.2822

Abstract

Pandemi Covid-19 membuat seluruh sektor mengalami perubahan yang signifikan, tak ubahnya dnegan sektor Pendidikan. Berbagai upaya dilakukan demi terlaksananya proses pembelajaran dengan maksimal mesikupn dengan keterbatasan yang ada. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan platform zoom terhadap motivasi dan hasil belajar mahasiswa dalam mata kuliah kimia migas di Sekolah Tinggi Teknologi Migas Balikpapan. Penelitian ini merupakan penelitian eksperimen dengan Analisa uji t sebagai uji hipotesis didalamya. Berdasarkan hasil penelitian yang diperoleh dengan nilai signifikansi uji t di bawah 0,05 maka penelitian ini membuktikan bahwa penggunaan platform zoom memiliki pengaruh terhadap motivasi belajar mahasiswa dalam mata kuliah kimia migas. Hal yang sama ditemukan saat melakukan pengujian hipotesis terhadap hasil belajar, bahwa penggunaan platform zoom memiliki pengaruh terhadap hasil belajar mahasiswa dalam mata kuliah kimia migas, hal ini juga ditunjukkan oleh nilai signifikansi yang berada di bawah 0,05. Hal ini menunjukkan bahwa hipotesis Ho yang mengatakan bahwa tidak ada pengaruh penggunaan platform zoom terhadap motivasi dan hasil belajar ditolak, dan Ha yang mengatakan bahwa terdapat pengaruh dalam penggunaan platform zoom terhadap motivasi dan hasi belajar diterima.
ANALISA KEASAMAN DAN KEJERNIHAN AIR MENGGUNAKAN SENSOR pH DAN TURBIDITI BERBASIS TEKNOLOGI SURYA Meita Rezki Vegatama; Riza Hadi Saputra
Jurnal Teknovasi : Jurnal Teknik dan Inovasi Vol 7, No 2 (2020): TEKNOVASI OKTOBER 2020
Publisher : LPPM Politeknik LP3I Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55445/teknovasi.v7i2.446

Abstract

Water is used as one of the primary needs for humans and is also an exemplary process for the human body and other living things, so that clean water is needed when it is consumed. There are various ways to purify water, starting from using natural ingredients to using artificial materials. One method of purification that can be done is by finely grinding the moringa seeds so that the dirt in the water becomes a coagulant. This process is called the coagulation-flocculation method. The purpose of this method is that the purified water has a pH value of around seven and also has a high clarity level value. In order for the data collection process to be accurate, pH and turbidity sensors are needed to measure directly. The pH sensor is used as a measure of acidity and turbidity as a measure of clarity. Based on the results of research and testing tools in the field, the more biocoagulant powder given, namely moringa seeds, can increase the pH value and can reduce the turbidity value in water, with research evidence that in Experiment 1, the pH and turbidity values before purification were 7, 00 and 2940.70 NTU so that when entering Tube 2 and Tube 3 the pH and turbidity values become 7.38 and 2876.30 NTU. In Experiment 2, the pH and turbidity values before purification were 7.0 and 2940.70 NTU so that when entering Tube 2 and Tube 3, the pH and turbidity values were 8.08 and 2789.5 NTU. In Experiment 3, the pH and turbidity values before purification were 7.0 and 2940.70 NTU, and after being purified through Tube 2 and Tube 3, the pH and turbidity values were 8.25 and 2394.63 NTU.
Pengaruh Variasi Jenis Perekat Organik terhadap Nilai Kalor Biobriket Serbuk Kayu Meita Rezki Vegatama; Selvia Sarungu
Jurnal Pendidikan Tambusai Vol. 6 No. 2 (2022): Agustus 2022
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.796 KB) | DOI: 10.31004/jptam.v6i2.4549

Abstract

Energi baru terbaharukan merupakan salah satu jalan dalam menghadapi kelangkaan Biobriket merupakan salah satu energi alternatif yang dapat digunakan sebagai pengganti bahan bakar padat yang tidak dapat diperbaharui. Penelitian ini menggunakan metode eksperimen dengan memvariasikan jenis perekat yaitu jenis perekat kanji dan molase atau tetes tebu, dengan bahan baku pembuatan biobriket yaitu serbuk kayu meranti. Serbuk kayu meranti dan perkeat yang dgunakan masing-masing dengan perbandingan perkeat yaitu 10:6. Penelitian ini bertujuan untuk mengetahui perekat yang lebih baik dalam penentuan nilai kalor melalui Analisa uji proksimat. Hasil yang diperoleh dalam penelitian ini adalah, perekat kanji lebih baik dalam mengahsilkan nilai kalor yaitu sebesar 4.388,36 kal/ g.
Pengaruh Suhu Terhadap Karakteristik Arang Hasil Pirolisis Kulit Kolang-Kaling (Arenga pinnata) Yuniarti Yuniarti; Eka Megawati; Ana Dewi; Debora Ariyani; Meita Rezki Vegatama; Ain Sahara
DISTILAT: JURNAL TEKNOLOGI SEPARASI Vol 8, No 4 (2022): December 2022
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/distilat.v8i4.410

Abstract

ABSTRACTSugar palm plants are included in the top ten plantation commodities in East Kalimantan. So far, kolang-kaling   fruit peel waste has not been widely used, except for fertilizer. Palm peel waste has a non-uniform texture, but the inside is hard, so it can be used to make charcoal. Charcoal is made by pyrolysis process and can be used as raw material for briquettes as a new renewable energy source. This study aims to obtain biochar as a raw material for making briquettes with the highest calorific value through the pyrolysis process. The manufacture of biochar begins with the drying process of the raw materials and then proceeds with heating the sample in a pyrolysis reactor for 1 hour. The process takes place with the constant variable is the sample weight of 500 g and the heating time for 1 hour, and the variable that changes is the combustion temperature. Pyrolysis was carried out at temperatures of 200 °C, 250 °C, 300 °C, 350 °C, and 400 °C. The mass of charcoal obtained was 487.23 g, 438.37 g, 402.03 g, 318.1 g and 278.84 g. The resulting calorific value is 4158.7 cal/g, 4432.5 cal/g, 4620.2 cal/g and 4840.7 cal/g. The ash content were 12.01%, 14.64%, 14.99%, 15.25% 21.98%, respectively. Volatile Matter obtained 76.50%, 69.67%, 61.68%, 56.71%, 47.15%. While the fixed carbon biochar is 0.80%, 8.93%, 9 78%, 11.30%, 16.31%. The characteristics of the pyrolysis biochar are seen by proximate testing. Biochar with the highest calorific value was obtained at a temperature of 400 °C, namely 4840.7 cal/g.Keywords: Palm fruit peel, Calorific value, Pyrolysis, Charcoal
RANCANG BANGUN FILTER AIR DENGAN FILTRASI SEDERHANA MENGGUNAKAN ENERGI LISTRIK TENAGA SURYA Meita Rezki Vegatama; Karnila Willard; Riza Hadi Saputra; Ain Sahara; Muhammad Ashar Ramadhan
PETROGAS: Journal of Energy and Technology Vol 2, No 2 (2020): October
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v2i2.38

Abstract

Water is one of the basic needs in the life of creatures on this earth. Water is used for the body's metabolism, both humans and other living things. Thus, improving water quality is very necessary because it is very influential for the health of humans and other living things. Therefore, the water filter is designed so that this goal is achieved. Not only, water but environmental health is very important. So, this water filter is designed using solar cell technology, which is one of the ideas of renewable energy, and utilizes moringa seeds (moringa oleifera). This water filter is designed using solar panels and batteries as a source of electrical energy. The panel is coupled and will flow energy from the sun. That energy will be absorbed and received by the battery. This water filter uses a coagulation method and also a natural filter that utilizes fibers, silica sand, zeolite stones, and activated carbon. The process of this filter is to compare the input values detected by the sensor, the pH sensor and the turbidity sensor.
Pengaruh Waktu Terhadap Nilai Kalor Bioarang Hasil Pirolisis pada Temperatur yang Konstan Yuniarti Yuniarti; Meita Rezki Vegatama; Eka Megawati; Nor Sofiana
PETROGAS: Journal of Energy and Technology Vol 1, No 2 (2019): October
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v1i2.23

Abstract

Dalam penelitian ini cangkang kulit aren dimanfaatkan sebagai bahan bakar alternatif dengan cara mengubahnya menjadi bioarang sebagai bahan utama pembuatan briket. Tujuan pembuatan bioarang untuk mengetahui kualitas bioarang yang baik dan mengetahui pengaruh variasi waktu terhadap nilai kalor Manfaat pembuatan bioarang selain sumber bahan bakar alternatif,juga digunakan untuk engurangi penimbunan sampah yang menyebabkan pencemaran lingkungan. Pengarangan atau dikenal dengan pirolisis adalah degradasi termal senyawa lignin dengan kondisi tanpa atau hampir tidak ada udara. Pengarangan dilakukan dengan variasi waktu 1,5 jam, 2 jam, 2,5 jam, dan 3 jam. Hasil dari pengarangan yang dinamakan bioarang dianalisa nilai kalornya menggunkan calorimeter bomb. Hasil penelitian menunjukan persentase nilai kalor tertinggi cangkang kulit aren berada pada waktu 2 jam dengan nilai kalor sebesar 5037, 3 cal/gram. Berdasarkan hasil pengujiaan nilai kalor yang diperoleh menunjukkan bahwa bioarang kulit aren (Arenga Pinnata) dapat dimaanfatkan sebagai bahan bakar alternatif yang dapat diperbahuri.
EFEKTIFITAS PENURUNAN KADAR LOGAM BERAT FE DAN PB DALAM AIR MELALUI PENAMBAHAN BIOKOAGULAN MELALUI ALAT FILTRASI BERBASIS TEKNOLOGI SEL SURYA Meita Rezki Vegatama; Ain Sahara; Muhammad Ashar Ramadhan
PETROGAS: Journal of Energy and Technology Vol 4, No 1 (2022): March
Publisher : Sekolah Tinggi Teknologi MIGAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58267/petrogas.v4i1.84

Abstract

Water is an essential source of needs for all living things and human life. For the category that can be consumed, the water must meet several criteria such as chemical, physical, bacteriological and radioactive. From the category of chemical quality, heavy metal is one of the parameters that must meet the standard for the category of clean drinking water, including Fe and Pb. In this study, data were taken three times to simulate the use of this water filter which will be used to analyze the levels of heavy metals Fe and Pb. The results of the first experiment before filtration and the addition of bio coagulants, Fe levels were 0.083 mg/L and Pb levels were 0.0062 mg/L to 0.055 mg/L at Fe levels and 0.0043 mg/L at Pb levels, respectively. The next data is seen in the second simulation, the results of the analysis of Fe levels before the addition of bio coagulants and filtration are 0.087 mg/L and Pb levels are 0.0069 mg/L, but after treatment, Fe levels and Pb levels become 0.063 mg/L and 0.0059 mg/L. Furthermore, in the third analysis, Fe levels before treatment were 0.091 mg/L and after treatment became 0.072 mg/L, while the Pb levels at the beginning before treatment were 0.0084 mg/L to 0.0066 mg/L.
Variasi Komposisi Biobriket Arang Terhadap Karakteristik Termal Vegatama, Meita Rezki
Jurnal Ilmiah Ecosystem Vol. 22 No. 2 (2022): ECOSYSTEM Vol. 22 No 2, Mei - Agustus Tahun 2022
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35965/eco.v22i2.1505

Abstract

Co-Authors Adnan Mufti Naufal Ain Sahara Amiruddin . Amirul Mukminin Ana Dewi Arief Adhiksana Ariyani, Debora cantika Derbika, Rangga Dewi, Ana Elya Rahmadany Fitri Oktafiani Gabriel Pamasi I Ketut Warsa Karnila Willard Kumalasari, Prapti Ira Laksana, Rizal Abi LUKMAN, LUKMAN Manik, Nijusiho Megawati, Eka Miftahul A.M Huda Monde, Junety Muhammad Aditya Arisma Muhammad Ashar Ramadhan Muhammad Iqbal Muhammat Rahmat Ilham N. Nurjanah Nixie Naiya Althea Nor Sofiana Parman, Mohammad Zulfikar Rahmadani Ramadhanie, Muhammad Hilal Risna Risna, Risna Riza Hadi Saputra Riza Hadi Saputra Riza Hadi Saputra Sarungallo, Rosalia Sira Selvia Sarungu Yuniarti Yuniarti Yuniarti Yuniarti Yuniarti Yuniarti Yuniarti