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Effendy, Sahrul
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Journal : Kinetika

 1 
KAJIAN PROTOTIPE ROTARY DRYER BERDASARKAN KECEPATAN PUTARAN SILINDER PENGERING DAN LAJU ALIR UDARA TERHADAP EFISIENSI THERMAL PENGERINGAN BIJI JAGUNG Effendy, Sahrul
KINETIKA Vol. 9 No. 2 (2018): KINETIKA 01072018
Publisher : Politeknik Negeri Sriwijaya

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Drying is one of the important processes in food handling. This is because the drying process can extend the shelf life of food products so that it can be consumed longer. The purpose of this study was to design a biomass-fueled rotary type dryer and to analyze the effect of the flow rate on the melting and thermal efficiency of the dryer to determine the optimum condition of the dryer. One of the drying equipment that can be used is a rotary type dryer. The heat source of the dryer may come from a burning heat source. The use of biomass fuel here is to reduce as well as replace the use of fossil fuels considering its existence is increasingly thinning each year. Therefore, this research will be observed from the use of coconut shell fuels on thermal efficiency of rotary type drying machine. Based on the test results of variation of hot air flow rate for drying 15 minutes it is known that the air flow rate is very influential on efficiency and decreasing of water content. Based on SNI for moisture content, the optimum condition that can be used is the air flow rate of 12 m/s with thermal efficiency of 66.55% obtained moisture content of 14.22%. Besides that, The efficiency of thermal rotary dryer increases with increasing speed of rotation. The highest efficiency value obtained at the condition of 24 RPM in 15 minutes is 74.14%
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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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.
PRODUKSI BAHAN BAKAR CAIR DARI LEMAK SAPI MENGGUNAKAN KATALIS ZEOLIT DENGAN METODE PIROLISIS Lestari, Sutini Pujiastuti; Aswan, Arizal; Effendy, Sahrul; Febriana, Ida; Ramadhana. S, Safira Eva; Safitri, Widi; Shaskia, Bekka Alta
KINETIKA Vol. 11 No. 2 (2020): KINETIKA 01072020
Publisher : Politeknik Negeri Sriwijaya

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Beef tallow is structurally a monoalkyl ester of long chain fatty acids similar to vegetable oil which are widely used as raw materials for biofuel production. The processing of beef tallow into liquid fuel is from pyrolisis process of the catalytic cracking method with 1%w/w and 5% natural zeolite catalyst. The purpose of this research is to get the best operating condition that produce the largest %yield of liquid fuel with temperature range 280-320oC and time range 60-140 minutes. The result shown that the optimum temperature is 320oC using 5% catalyst with product yield of 12.4206 %. The optimum time operation is 100 Minutes using 5% catalyst with product yield 11.51%Also the best operating condition using 1% catalyst are at temperature of 320°C and 60 minutes with11.86% of yield. Physical character from this research aredensity, kinematic viscosity,and flash point shown that liquid fuel product obtain solar. Chemical compound in liquid fuel of this research are 18.26% of gasoline fraction (C7–C11) and 41.33% of kerosene/diesel (C12–C19) for 1% catalyst and 40.67% of gasoline fraction (C7–C11) and 47.11% of kerosene/diesel (C12–C19) for 5% catalyst.
ISSN: 1693-9050 E-ISSN: 2623-1417 https://jurnal.polsri.ac.id/index.php/kimia/index 20 PENGARUH DAYA MICROWAVE DALAM PROSES PENGOLAHAN MINYAK MAWAR (Rosa hybrida) DAN MINYAK YLANG-YLANG (Cananga odorata genuine) DENGAN METODE MICROWAVE HYDRODISTILLATION Effendy, Sahrul; Aswan, Arizal; Ridwan, K.A; ., Zurohaina; Ramadhania, Nadhira; Amanda, Thalia Junica
KINETIKA Vol. 11 No. 3 (2020): KINETIKA 01112020
Publisher : Politeknik Negeri Sriwijaya

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Rose and ylang-ylang flower oil is usually obtained by conventional hydrodistillation and takes a long time. One of the new technologies that can be used is hydro distillation using a microwave. This study aims to study the effect of time and microwave power on the yield of essential oils obtained and will be analyzed with rose oil standards ISO 9842: 2003 and CAS 8007-01-0 and ylang-ylang flower oil SNI 06-7224-2006. The variables tested in this study were the ingredients of rose and ylang-ylang flowers (fresh and wilted), weighing 200 grams and 100 grams, respectively. The microwave power used is 180, 270, 360, 450 Watt. The operating conditions in this method are at 1 atm. The highest yield of rose flower oil yield was at the power of 450 Watt minutes to 90 of 0.1266%, while the highest yield of ylang-ylang flower oil was at power of 360 watts to 90 minutes of 0.2758%. The lowest value of specific energy consumption (SEC) in roses is at a power of 450 watts of 2.0574 kWh / gr. The SEC value of ylang-ylang flower oil is at a power of 360 watts of 2.1318 kWh / gr.
UNJUK KERJA PROSES PIROLISIS KATALITIK LIMBAH BAN BEKAS MENJADI BAHAN BAKAR CAIR DITINJAU DARI JUMLAH KATALIS, VARIASI TEMPERATUR, DAN WAKTU OPERASI Effendy, Sahrul; Rusnadi, Irawan; ., Fatria; Amin, Jaksen M.; Aina, Nur; Rossa, Briliantina; Waltin, Muhammad
KINETIKA Vol. 12 No. 1 (2021): KINETIKA 01032021
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Indonesia's domestic rubber consumption is largely absorbed by the manufacturing industry, especially the automotive industry. The more production of vehicle, the more people will produce tires. As a result, the waste of tires in the environment is increasing. One of the alternatives to reduce the amount of tires waste is produce it become liquid fuel by catalytic pyrolysis method. The purpose of this research is to analyze percent yield liquid product and to obtain characteristics of liquid fuel observed by the number of catalyst, variation of temperature, and operation time. The result shown that the optimum temperature is 400oC using 10% NZ catalyst with product yield of 13.0284%. The optimum NZ catalyst is 2% at 300oC with product yield of 5.7946%. Also the optimum time operation is 180 minutes using 10% NZ catalyst with product yield of 9.7965%. The liquid fuel oil spesifications obtain diesel oil by testing density, viscosity, and flash point. The liquid fuel also analyzed by the GC-MS method, and it can be concluded that the liquid fuel of tires waste is mixture of gasoline (C8-C12) and diesel (C13-C20).
Co-Authors ., Fatria ., Zurohaina Agung Wijaya, Agung AIDA SYARIF Amalia Putri, Amalia Amanda, Thalia Junica Amin, Jaksen M. Anugrah, Muhammad Rizki Aria Putri, Rizki Arizal Aswan Daniar, Rima Dinda, Syahranie Kurnia Erlinawati Erlinawati, Erlinawati Febriana, Ida Firmansyah, Wahyudi Hilwatullisan, Hilwatullisan Ibnu Hajar Indah Amalia, Indah Indah Pratiwi Irawan Rusnadi Kholidah , Nurul KHOLIDAH, NURUL Manggala, Agus Marambang, Alfi Yory Maretha, Difa Syakila Meilianti Meilianti Milenia, Era Muhammad Yerizam Noviansyah, M. Nur Aina Prasetyatama, Bintang Tegar Putra, Andhika Satria Ramadhana. S, Safira Eva Ramadhania, Nadhira Ridwan, K.A Rizal, M. Syahrul Rossa, Briliantina Sabila, Sabila Safitri, Rissa Aulia Safitri, Widi Salamah, Luthfia Saputra, Diego Saputra, Reno Septiana, Iriani Reka Shaskia, Bekka Alta Sofiah Sofiah Sulastri, Nadya Shira Sundari, Okta Sutini Pujiastuti Lestari Syafitri, Neza Waltin, Muhammad Wardani, Deli Kusuma Yerizam, M. Yerizam, Yerizam Yohandri Bow Zamheri, Ahmad Zikri, Ahmad