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Syafruddin Syafruddin
Politeknik Negeri Lhokseumawe
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Pembuatan Silika Gel dari Abu Sekam Padi dengan Pereaksi Asam Kuat dan Asam Lemah dengan Menggunakan Variasi Jumlah Abu Silikat Muhammad Riza; Fachraniah Fachraniah; Syafruddin Syafruddin
Jurnal Teknologi Vol 22, No 2 (2022): Oktober 2022
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v22i2.3116

Abstract

The Research has been carried out on the making of silica gel from rice husk ash with strong and weak acid reagents using variations in the amount of silicate ash as much as 50, 100, 200 and 300 grams by using hydrochloric acid, nitric acid, acetic acid and citric acid as solvents. This study aims to obtain the effect of the type acid and variations in the amount silicate on the characteristics of silica gel products and as a method of applying adsorption to H2O. The silica gel test resulted from the yield test, water content, ash content, I2 adsorption power, application of adsorption power to H2O and the best product test using FTIR. The more amount of silicate used will affect the quality of silica gel obtained from the results of testing and calculations, optimal result silica gel obtained with amount of silicate ash is 50 grams. The higher amount of silicate ash used, the results obtained will increase. Optimal results obtained from silica gel in hydrochloric acid with the amount of silicate ash 50 grams, where the yield is 17.86%, water content is 4%, ash content is 11% and I2 adsorption power is 1218.24 mg/g. The application of H2O adsorption power is obtained the more amount of silicate used, the higher H2O absorption results. Optimal results obtained from silica gel in hydrochloric acid with the amount of silicate ash 50 grams, where the adsorption power of H2O is 9.6 mL/g. And finally, the best product test using FTIR is hydrochloric acid and nitric acid.
Analisa Pemanfaatan Kompresor BOG K-6801 A/B pada Fasilitas LNG Hub Fadhel Muhammad; Syafruddin Syafruddin; Ratna Sari
Jurnal Teknologi Vol 23, No 1 (2023): April 2023
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/teknologi.v23i1.3750

Abstract

Boil Off Gas (BOG) is formed as a result of the evaporation of liquefied gas at atmospheric pressure as a result of the expansion of the cargo space such as a tank which can endanger the condition of the tank if it exceeds the pressure design on the tank. So, to maintain pressure in safe conditions, the BOG usually has to be burned and directed to the flare. In another word, the factory has been wasting clean gas for free. So there is a better option to use a compressor for fuel-to-plant operation. Compressor K-6801 is a centrifugal type compressor with a single casing multi-stage compressor, with a prime mover or drive in the form of an electric motor. The BOG compressor functions to compress/drain the evaporation gases (Boil Off Gas) from the LNG tank to the PLTMG and the fuel system, while the excess output from the compressor BOG will be flowed to the booster compressor to flow along with the output from the ORV to the ARBEL (Arun-Belawan) gas network. The output BOG from the LNG tank will enter the compressor suction with a temperature of -145.5 °C and a pressure of 0.00054 kg/cm2G, where it will then come out of the discharge of the BOG compressor with ambient temperature conditions of 51.6 °C and a pressure of 15.4 kg/cm2G. After manual calculations, there was a decrease in efficiency by 13% from 98% of the design data to 85%, and a decrease in efficiency through Hysys by 21% to 77%. 
PEMBUATAN SISTEM PENYEDIA AIR WUDHU’ (SPAW) UNTUK BALAI PENGAJIAN BABUL MUTA’ALIMIN DESA BLANG AWE Munawar Munawar; Syafruddin Syafruddin; Irwan Irwan; Alfian Putra; Munardy Munardy
Jurnal Vokasi Vol 7, No 3 (2023): Jurnal Vokasi (November)
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/vokasi.v7i3.3995

Abstract

Balai pengajian Babul Muta’allimin merupakan salah satu balai pendidikan agama yang terdapat di Desa Blang Awe, Kecamatan Syamtalira Bayu, Kabupaten Aceh Utara. Sekalipun sudah berkiprah lebih dari 20 tahun, balai pengajian Babul Muta’allimin sampai saat ini sama sekali tidak memiliki sarana wudhu yang memadai untuk santri. Padahal, sarana tersebut meruapakan salah satu kebutuhan utama bagi para santri yang belajar AlQurán dan sholat di balai pengajian tersebut. Kegiatan pengabdian kepada masyarakat ini bertujuan mengembangkan suatu sistem Penyedia Air Wudhu (SPAW) berbasis sumber daya lokal, yang dapat dikelola dan dirawat secara mandiri oleh mitra. Kegiatan PkM dilaksanakan dalam 3 (tiga) tahapan, meliputi: (1) Pengembangan Sistem Penyedia Air Wudhu (SPAW) untuk mitra; (2) Pembekalan pengetahuan dasar tentang operasional dan perawatan paket teknologi yang dikembangkan, serta; (3) Evaluasi keberhasilan kegiatan, menggunakan kuisioner. Setelah kegiatan PkM diselesaikan, suatu Sistem Penyedia Air Wudhu’ (SPAW) berbasis sumber daya lokal sudah tersedia untuk mitra kegiatan. Sistem tersebut mampu menyediakan air wudhu’dengan kapasitas 2,14 liter/menit pada 7 titik akses terintegrasi, dengan kualitas air yang memenuhi baku mutu air untuk keperluan hygiene sanitasi menurut Kepmenkes RI No. 32 tahun 2017. Hasil evaluasi kepuasan mitra menunjukkan bahwa mitra memberi apresiasi positif terhadap kegiatan PkM yang telah dilaksanakan.
Proses Pemurnian Minyak Jelantah Menggunakan Metode Adsorbsi Kolom Abdan Syakura; Halim Zaini; Syafruddin Syafruddin
Jurnal Riset, Inovasi, Teknologi & Terapan Vol 4, No 1 (2025): Desember
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/ristera.v4i1.8607

Abstract

Cooking oil is one of the basic human needs as a food processing ingredient. Using cooking oil repeatedly and continuously during thefrying process will reduce the quality of the cooking oil. One way to process used cooking oil is by adsorption using an activated carbonadsorbent. In this research, adsorbents used sugar cane bagasse, rice husks and coconut fiber were used using the column adsorptionmethod. Also, with sampling times of 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 (minutes). This research aims to determine the comparativeeffect of adsorbent variations and the effect of adsorption time on the reduction of free fatty acids, water content, peroxide value and density. Sugarcane bagasse, rice husks and coconut fiber were activated using 0.1 N NaOH for 2 hours, where the activation aims to increasethe pore diameter or produce new pores. The results of the research that has been carried out are that the best reduction in free fatty acidswas in the rice husk adsorbent type with an adsorption time of 90 minutes, resulting in free fatty acids of 1.84%. And the best peroxidevalue obtained was 6.6 mg/g. From the results of this research it can be concluded that rice husk adsorbent is better in reducing free fattyacids and peroxide value using the column adsorption method.
Pengaruh Penggunaan Ragi Instan dan Ragi Alami dari Jeruk (Citrus Sinensis) Terhadap Mutu dan Karakteristik Roti Manis Farhani Farhani; Syafruddin Syafruddin; Pardi Pardi
Jurnal Riset, Inovasi, Teknologi & Terapan Vol 4, No 1 (2025): Desember
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/ristera.v4i1.8623

Abstract

Natural yeast is a mixture of flour, water, and or other components fermented with a natural starter containing lactic acid bacteria (LAB) and yeast. The mixture is used as a baking agent in the production of sweet bread. The natural yeast in this study used fermented sweet orange soaking water as the yeast. Natural yeast can change the availability of fiber fraction, protein, and increase mineral content in flour. The purpose of this study was to determine the effect of adding instant yeast and natural yeast on the quality and characteristics of sweet bread. The experiment consisted of the independent variables of instant yeast and natural yeast with concentrations of 10%, 15%, 20% instant yeast and 10%, 15%, 20% natural yeast. The observation parameters used included microbial contamination, moisture content, ash, organoleptic. The results showed that the treatment of adding different proportions of instant yeast and natural yeast had a significant effect on moisture content with the lowest and highest ranges of 18.5-35% instant yeast and 21.5-37.5% natural yeast (wet basis), ash content in instant yeast with a range of 0.84-1.50%, and in natural yeast with a range of 0.93-1.50%. Then in microbial contamination with the two treatments there are the same results which meet the SNI.
Co-Authors Abdan Syakura Alfian Putra Fachraniah, Fachraniah Fadhel Muhammad Farhani Farhani Halim Zaini, Halim Irwan Irwan M Munawar Muhammad Riza Munardy Munardy Pardi Pardi Ratna Sari