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AIDA SYARIF
Polytecnic of Sriwijaya Palembang, Indonesia
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RANCANG BANGUN PROTOTIPE PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO (PLTMH) TURBIN PELTON Syarif, Aida
KINETIKA Vol. 8 No. 2 (2017): KINETIKA 01072017
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Hydro power utilization as the power plant has been becoming one of the potential solutions to be applied in overcoming limited electricity supply for society in rural areas. Its utilization has been already applied by using waterwheel or water turbine using head potential energy (waterfall) or kinetic energy (river flow). The design of the Micro Hydro Power Plant (PLTMH) equipment in the laboratory scale is analyzed by some factors , they are valve opener, debit and number of blades. At the influencing of the water flow rate on the rotameter and the effect of the maximum of the nozzle valve opener is actually obtained the best generator performance 7.35% at Overshot Horizontal flow with full aperture 100% and water flow rate at 4.5 GPM. Meanwhile, the best number of blades using is at 16 blades which is influences turbine rotation and electrical power generated is 573,9 rpm and 14,7 Watt.
PENGARUH WAKTU FERMENTASI TERHADAP BIOGAS YANG DIHASILKAN DARI LIMBAH INDUSTRI TAHU SYARIF, AIDA
KINETIKA Vol. 1 No. 1 (2011): KINETIKA 01032011
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Konversi Biogas dari Industri tahu dilakukan dalam Prototipe reaktor anaerob dalam skala rumah tangga atau skala kecil dengan menggunakan teknologi fermentasi bakteri yang sederhana dan mudah dalam pengaplikasiannya. Bahan baku yang digunakan juga mudah didapat yaitu limbah industri tahu, baik limbah padat maupun cairnya. Tujuan penelitian ini untuk mengetahui pengaruh waktu fermentasi terhadap laju pembentukan biogas dan efektivitas limbah tahu sebagai bahan baku fermentasi dengan variasi penambahan ampas dan tanpa ampas. Hasil penelitian menunjukkan reaktor hasil rancangan ini layak untuk digunakan. Variasi dengan penambahan ampas memiliki hasil yang lebih baik dengan kandungan metan sebesar 38,43 % dan tekanan gas maksimum 7 psi, sedangkan variasi tanpa ampas hanya mengandung metan sebesar 35,80 % dan tekanan maksimum 3 psi.
ANALISIS KINERJA PROTOTIPE PEMBANGKIT LISTRIK TENAGA MIKROHIDRO TURBIN KAPLAN SUMBERDAYA HEAD POTENSIAL Syarif, Aida
KINETIKA Vol. 9 No. 1 (2018): KINETIKA 01032018
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Research on Prototype of Microhydro Power Plant Kaplan Turbine Potential Head Resource laboratory scale by utilizing potential energy of water and using application on Kaplan Turbine.Performance Analysis Prototype of Micro Hydro Power Plant uses the basic equations that is applied in the calculation analysis to determine the best performance analysis of the generating power of 8.5 watts is located at of head 1.8 m by opening full valve or flow rate variation of 140.5 L/min Minute with number of 16 blades. The results of optimum performance analysis of the plant are on different altitudes of head 1.7 m by opening valve ¾ or a flow rate variation of 105.4 L/min obtained best performance in actual condition with electrical powerperformance of 6.4 watt. The electrical power got best performance at different of head 1.6 m by opening valve ¼ or flow rate variation of 32.8 L/min with the result of 1.1 watt. The electrical power performance shows best performance in head different of 1.4 m by opening valve ½ or 60.8 L/min flowrate variation with the result of 4 watt
ANALISIS UNJUK KERJA PROTOTIPE PEMBANGKIT LISTRIK TENAGA MIKROHIDRO TURBIN PELTON SUMBER DAYA HEAD POTENSIAL Syarif, Aida
KINETIKA Vol. 10 No. 2 (2019): KINETIKA 01072019
Publisher : Politeknik Negeri Sriwijaya

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Abstract

The increase in population has an impact on increasing the demand for electricity in various sectors. Indonesia's geographical conditions with a tropical climate and high rainfall make Indonesia has many water sources that have the potential as a source of renewable electricity such as micro-hydro power. Research on Prototype of Microhydro Power Plant Pelton Turbine of Potential Head Resource laboratory scale by utilizing potential energy of water and using application on Pelton Turbine. There are two types of variables taken, including fixed and not fixed. Fixed variables in the form of flow direction, water volume and penstock cross-sectional area, while the not fixed variable in the form of difference in height and valve opening. Performance Analysis Prototype of Micro Hydro Power Plant uses the basic equations that is applied on the calculation analysis to determine the best performance analysis of the generating power of 9 watts is located at of head 1.8 m by opening full valve or flow rate variation of 140.5 Liter Per Minute with number of 16 blades. The results of optimum performance analysis of the plant are on different altitudes of PLTMH performance shows best performance in different of head 1.4 m by opening valve ½ or 60.8 Liter Per Minute flow rate variation with the result of 20.71%
PROTOTYPE ROTARY DRYER DENGAN BAHAN BAKAR BIOMASSA DITINJAU DARI PENGARUH VARIASI LAJU ALIR UDARA DAN DURASI WAKTU PENGERINGAN TERHADAP LAJU PENGERINGAN JAGUNG Effendy, Sahrul; Syarif, Aida; Wardani, Deli Kusuma; Amalia, Indah
KINETIKA Vol. 10 No. 1 (2019): KINETIKA 01032019
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Rotary dryer are best suited for drying materials that are not easily broken and resistant to heat and require time for rapid drying. The drying process of corn kernels with rotary dryer by using biomass fuels becomes alternative to replace heat sources derived from the burning of fuel oil (BBM), as fuel prices tend to increase. While the availability of which decreased. The changed variable used is the air flow rate of the dryer air (3.5 m/s, 4 m/s, 4.5 m/s, 5 m/s and 5.5 m/s) and drying time (10 minutes, 15 minutes, 20 minutes, 25 minutes, and 30 minutes). The results showed that the moisture content of corn kernels was influenced by the drying air flow rate and the duration of drying time. The result of drying of corn kernels with the lowest water content is 9.66% achieved in the process conditions with drying air temperature 60oC with the air flow rate of the dryer air 5.5 m/s. Meanwhile, the highest rate of drying is 0.00307 kg/second. In testing the variation of drying time, the results of drying corn kernels with the lowest water content are 2.2% achieved at 30 minutes drying time and the highest drying rate was achieved at 30 minutes drying time, which was 0.002448 kg/s.
PENGARUH VARIASI LAJU ALIR UDARA DAN FILTER TERHADAP PROSES GASIFIKASI DENGAN SISTEM DOWNDRAFT Syarif, Aida
KINETIKA Vol. 11 No. 1 (2020): KINETIKA 01032020
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Coal gasification is the process of converting solid into a gas mixture that has fuel value. Coal gasification will produce gas in the form of synthetic gas (syngas) with the main components consisting of carbon monoxide (CO), hydrogen (H2), and (CH4) gas. By converting coal using gasification as a clean energy producer, a blower as a regulator of air flow, cyclones as a tar separator and a gas cooler. The results of this study are the rate of fuel use, the rate of burning ash, the specific gestation rate, the specific gas production rate, the syngas flow rate, the flash point calorific value, and the efficiency of the classification process. The decrease in the combustion air flow rate will tend to make the combustion temperature and the calorific value become smaller so that the efficiency will also decrease. The best efficiency occurs at the largest airflow rate of 3.15 m/s with an efficiency of 84.62%.The increase in the mass of the husk that is filtered will cause an increase in the composition of CH4 and H2, as well as a decrease in CO2 and CO. By filtering the mass of rice husks, the LHV value will increase.
ANALISIS SYNGAS GASIFIKASI BATUBARA TIPE DOWNDRAFT DITINJAU DARI VARIASI UKURAN BATUBARA DAN TINGGI ISIAN PACKING ABSORBER Fadjrin Ismaily, Muhammad; Kurniawaty, Fegi; Syarif, Aida; Rusnadi, Irawan; Febriana, Ida
KINETIKA Vol. 12 No. 3 (2021): KINETIKA 01112021
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Coal gasification is the process of converting low rank coal into syngas which can be used as fuel. One of the factors that affect the quality of syngas is the size of coal particles. Meanwhile, to produce clean syngas, the gas from the combustion reactor is flowed through a packed bed absorber filled with marbles to reduce the incompatible particulate gases that are still contained in the syngas. The variations in the size of the coal used in this study are 3-4 cm, 5-6 cm, and 7-8 cm. While the variation of the height of the packing absorber filling used was 9.75 cm, 19.5 cm, 29.25 cm and 39 cm. The composition of the best combustible gas from the variation of coal size and the variation in the filling height of the absorber packing is found in the coal size 3-4 cm, and the packing filling height is 39 cm. With combustible gases (CO, H2 and CH4) produced by 10.9%, 10.5% and 0.9%, the volume of O2 and CO2 is 0.1% and 10.1%, the syngas volume of the absorber output is 2473.47 m3 and the LHV syngas is 6.932 MJ/kg.
PENGGUNAAN DEEP EUTECTIC SOLVENT DALAM PENURUNAN FFA MINYAK JELANTAH SERTA PENGARUH KECEPATAN DAN WAKTU PENGADUKAN Dzakiroh, Ayu; Rahmadina, Nisa; Syarif, Aida; Fatria, Fatria; Rusnadi, Irawan; Erlinawati, Erlinawati
Jurnal Distilasi Vol 6, No 2 (2021): Jurnal Distilasi
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jd.v6i2.4128

Abstract

Biodiesel merupakan salah satu sumber energi alternatif yang dapat di perbaharui dan mampu untuk mengurangi ketergantungan energi nasional terhadap energi fosil. Biodiesel diproduksi dari minyak tumbuhan atau lemak hewan. Minyak nabati yang dapat digunakan sebagai bahan baku adalah minyak jelantah. Minyak jelantah mengandung asam lemak bebas atau Free Fatty Acid (FFA) yang tinggi. Penurunan kadar FFA dilakukan melalui cara ekstraksi menggunakan DES yang terbuat dari campuran Choline Chloride dan Ethylene Glycol dengan rasio molar 1:2. Dalam penelitian ini dlakukan variasi rasio molar Minyak Jelantah:DES sebesar 1:1, 1:2, 1:3, dan 1:4, variasi kecepatan pengadukan 150 rpm dan 300 rpm, dan variasi waktu selama 60 menit dan 120 menit pada suhu 60oC. Hasil penelitian menunjukkan bahwa rasio molar terbaik adalah 1:4, kecepatan pengadukan 300 rpm, dan waktu selama 120 menit dengan penurunan FFA hingga 0,55%.
PURIFIKASI BIODIESEL MENGGUNAKAN DEEP EUTECTIC SOLVENT BERBASIS CHOLINE CHLORIDE DAN ETHYLENE GLYCOL Milenia, Era; Aria Putri, Rizki; Syarif, Aida; Effendy, Sahrul; Rusnadi, Irawan
Jurnal Distilasi Vol 6, No 2 (2021): Jurnal Distilasi
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jd.v6i2.4126

Abstract

Biodiesel merupakan pengganti bahan bakar diesel yang dihasilkan dari sintesa berbagai macam minyak tumbuhan atau hewan. Minyak jelantah merupakan salah satu contoh minyak tumbuhan yang dapat dijadikan bahan baku pembuatan biodiesel. Kandungan Free Fatty Acid (FFA) dalam minyak jelantah yang tinggi dipurifikasi menggunakan Deep Eutectic Solvent (DES) agar tidak terjadi penyabunan pada tahap trans-esterifikasi. Tujuan dari penelitian ini untuk mengetahui pengaruh variasi rasio molar, waktu reaksi dan kecepatan pengadukan dari sintesa DES terhadap kandungan FFA pada pada biodiesel. DES dibuat dari campuran choline chloride dan ethylene glycol dengan rasio molar 1:1, 1:2, 1:3, 1:4, dan 1:5, variasi waktu reaksi 15 menit dan 30 menit, dan variasi kecepatan pengadukan 200 rpm dan 300 rpm pada suhu 50oC. Kandungan FFA minyak jelantah bahan baku biodiesel sebesar 8,323%. Hasil penelitian dengan penurunan kadar FFA terkecil hingga 0,55% pada rasio molar 1:2, waktu reaksi 30 menit dan waktu pengadukan 300 rpm.
Generating Hydrogen Gas with a Polyvinyl Alcohol Membrane Dry Cell Electrolyzer Using KOH Electrolyte Rohman, Abdul; Rusdianasari; Syarif, Aida
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 2 (2024): IJRVOCAS - August
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i2.291

Abstract

Global environmental concerns requiring excellent air quality have prompted the development of a variety of eco-friendly energy sources. Hydrogen gas is an environmentally friendly option that may be created using an electrolysis device that converts water into hydrogen (H2) and oxygen (O2). In this study, a dry cell electrolyzer with a polyvinyl alcohol (PVA) membrane was used as a separator between two stainless steel 316 electrodes to generate a high hydrogen yield. The hydrogen gas production from the dry cell electrolyzer was determined using gas chromatography. The results showed that using a KOH electrolyte and a PVA membrane considerably enhanced the hydrogen gas composition. Hydrogen gas compositions after electrolysis using a dry cell electrolyzer without a PVA membrane and KOH electrolyte concentrations of 0 M, 0.04 M, 0.07 M, and 0.11 M being 13.70%, 25.10%, 32.50%, and 15.60%, respectively. With a PVA membrane, the hydrogen compositions were 71.50%, 89.10%, 80.50%, and 84.60%, respectively. The results of these experiments show that the most hydrogen gas was produced utilizing a dry cell electrolyzer with a PVA membrane and a 0.04 M KOH electrolyte concentration. When a PVA membrane and a KOH electrolyte are utilized in electrolysis, the hydrogen gas composition improves significantly compared to when either is utilized.
Co-Authors Abdul Rohman Ahmad Taqwa Amalia Putri, Amalia Aria Putri, Rizki Arissetyadhi, Iwan Bow, Yohandi Dinda, Syahranie Kurnia Dzakiroh, Ayu Effendy, Sahrul Erlinawati Erlinawati, Erlinawati Fadjrin Ismaily, Muhammad Fatahul Arifin, Fatahul Fatria, Fatria Febriana, Ida Indah Amalia, Indah Irawan Rusnadi Jabborov, Behzod Kalsum, Leila Kurniawaty, Fegi Manggala, Agus Milenia, Era Muhammad Yerizam Patrio, Aditia Pratama, Andrian Putra Putri, Rizki Aria Rahmadina, Nisa Rusdianasari Rusdianasari Sabila, Sabila Septiana, Iriani Reka Wardani, Deli Kusuma Yohandri Bow