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Jurnal Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : https://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering Environmental Science
Jurnal Serambi Engineering diterbitkan oleh Fakultas Teknik Universitas Serambi Mekkah Banda Aceh. Jurnal ini diterbitkan sebagai media untuk menyalurkan informasi hasil penelitian dibidang keteknikan baik yang dilakukan oleh para dosen dari Fakultas Teknik, khususnya dari Universitas Serambi Mekkah maupun dari pihak lain. Penelitian yang dipublikasikan dapat berupa penelitian lapangan maupun laboratorium serta kajian literatur.
Arjuna Subject : -
Articles 1,178 Documents
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Estimasi Emisi Kendaraan Bermotor dan Tampakan Lumut Kerak untuk Memprediksi Paparan Traffic-Related Air Pollution pada Sekolah Dasar di Kota Kendari Sumarlin Sumarlin; Wa Ndibale; La Utu; Karmila Sari
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2610

Abstract

Increasing the number of vehicles in Kendari could has the potential to increase TRAP exposure in elementary schools located on the side of the highway. The purpose of this study was to describe the emission load of vehicles, the appearance of lichens and to predict exposure to TRAP in Sekolah Dasar Negeri (SDN) on the side of the highway in Kendari City. This study uses a quantitative approach, survey methods with sampling techniques in three different locations. The results showed that the emission burden of vehicles at SDN 6 Kendari and SDN 25 Kendari was higher, the percentage of lichens present was lower and the appearance was duller than SDN 92 Kendari. This condition can be predicted as an initial indication of a decline in air quality at that location due to periodic exposure to TRAP.
Carbon Emissions and Sequestration Due to Land Conversion In The Padang Watershed, North Sumatera Suci Arisa Purba; Bejo Slamet; Abdul Rauf
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2510

Abstract

Land conversion activities cause changes in the area of vegetation and carbon storage in the air. These changes can lead to emissions (reduction of carbon stocks) or sequestration (addition of carbon stocks). This study aims to calculate stored carbon in the Padang watershed in 2009 and 2019 and to determine the dynamics of emissions and carbon sequestration due to land conversion in the Padang watershed, North Sumatra Province from 2009 to 2019. The method used in this research is spatial data processing using software Arc Gis. Processing, interpretation and classification of land cover are obtained from land cover data for 2009 and 2019 from the Ministry of Environment and Forestry. Furthermore, the analysis of emissions and carbon sequestration in the Padang watershed was carried out using the REDD Abacus SP software. The results showed that the total carbon stored in 2009 was 5,168,464.09 tons. Meanwhile, the total carbon stored in 2019 was 5,150,784.81 tons. This means that there is a decrease or carbon emission during the 2009-2019 period of 17,679.28 tons. The total net emissions and sequestration that occurred in the Padang watershed due to changes in land use from 2009 - 2019 were 22,851,751.43 tonnes CO2-eq / year and  3,100,199.00 tonnes CO2-eq / year, respectively. Efforts to reduce emissions include planting and developing forests and community-based forest management.
Optimasi Ekstraksi Minyak dan Karotenoid dari Limbah Serat Mesokarp Kelapa Sawit Hotman Manurung; Donald Siahaan; Beinika Naibaho; Rosnawyta Simanjutak; Tumiur Gultom
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.5392

Abstract

The purpose of this study was to determine the comparison of Palm oil Mesocarp Fiber (POMF) with hexane solvents and the optimal length of time when extracting oil by cold maceration method and to find out the optimization of carotenoid extraction from POMF oil. The study was conducted in 2 stages: The first stage of oil extraction from POMF with a hexane treatment ratio factor with the weight of POMF and extraction time. Using a non-factorial complete random design. Phase 2 Optimization of carotenoid extraction using the solvolytic method. Using a completely randomized design with 2 factors treatment, namely: 1 Type of minor solvent Methyl ester (Me) caprylic-capric fatty acid (C8 -C10) and Me lauric�myristic fatty acid (C12-C14) and minor solvent concentration of 0.1% and 0.25%. Parameters analyzedn in the first stage: oil content and Deterioration bleaching of index (DOBI). In the second stage the parameters are: carotenoid concentration, and DOBI. Optimal ratio of hexane to POMF weight is 1:40 (vol / g) with an oil content of 2.938%. Optimization of extraction time for 100 minutes with oil content of 4.104%. Optimization of carotenoid extraction from POMF oil is by using Me C8-C10 minor solvent with 0.1% amount of solvent which produces a carotenoid concentration of 302.444 ppm and a DOBI of 5.74. The increase in carotenoid concentration resulting from saponification reached 114.2 times that of carotenoid concentration in POMF oil.
Analysis of Queuing Theory at McDonald's Galuh Mas Karawang Using the Single Channel-Single Phase Model Siti Nurrohmah; Agustian Suseno; Billy Nugraha
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2648

Abstract

Queue is the density or the number of customer waiting. However, the density of customers will also lead to the loss of potential customers. In this study, the aim of this research is to determine the queuing discipline applied by Mc Donald’s Galuh Mas Karawang and the characteristics of the queues needed to wait for the queue. Based on these problems, this study used is single channel-single phase model, where there is only one path for its service. The results showed that the queuing discipline used is First In First Out (FIFO) and the characteristics of the queue include average of 3 people queuing in the system, average queuing in the queue is 2 people, waiting time in system is 5.53 minutes, time expected by customers to wait in the queue is 4.183 minutes, with a server busy rate is 75,60% and a server unemployment rate is 24,40%.
Peningkatan Akurasi pada Prediksi Beban Listrik Menggunakan Metode Moving Average Erliza Yuniarti; Wardiman Wardiman; Wirangga Wirangga; Bengawan Alfarezi
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2605

Abstract

This paper discusses improving the accuracy of electrical load forecasting by imputation on empty load data. It is important to estimate the demand for electricity loads for the power plant operating system, fuel supply and maintenance of the power system. The forecast of the electrical load is carried out on the basis of the historical data of electrical load which is generally represented in the load curve. The load curves in research at the Singkarak substation Borang show that there are several load patterns, some missing data and data that is suddenly increasing. The percentage of blank data in 2015 was 1.8379%, while   the highest  in September at was 0.5137% or 45 hours. To fill in the missing data, three imputation techniques were used,   i.e., filling in the data from the previous day's data at the same time ; perform regression analysis on the month  the data was missing; and using the mean values from  monthly data. The results of forecast using the moving average method provide a forecast of the  electrical load on January 1, 2016 wll be 138 kW. The Mean Absolute Error (MAE) for the best load forecast is 9.59, using a data set equipped with the imputation of the mean.
Uji Marshall Pada Campuran AC-WC Dengan Substitusi Filler Zainal Abidin; Bunyamin Bunyamin; Febrina Dian Kurniasarir
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2653

Abstract

To improve the quality of pavement can be achieved by substituting filler materials. The materials used for mixing asphaltic concrete are Portland Cement (PC) Andalas type II and Krueng Neng Oyster Shell (ACT) to bind the aggregate with the mixture of asphalt becoming denser as the ACT contains silica and lime. The use of ACT as a filler is expected to improve the quality of the pavement mixture. The study aimed to determine the effect of Marshall Parameters on the use of PC-substituted ACT fillers with a composition of 0% ACT: 100% PC, 20% ACT: 80% PC, 50% ACT: 50% PC, 80% ACT: 20% PC , and 100% ACT: 0% PC against AC - WC mixture. The number of construction materials testing in this study was 66. The research method was Bina Marga 2010 Revision 4 of 2018. The results showed that all compositions met the requirements for the Bina Marga 2010 Revision 4 2018 specification, the best composition for ACT and PC filling substitutes were obtained a percentage of 20% ACT and 80% PC at 5.00% of the asphalt content, the stability value was 1323.01 kg with a VIM value of 3.66% VMA 15.91% VFA 76.99 and MQ 508.68 kg / mm.
Skenario Pengembangan Fasilitas Sistem Pengolahan Sampah Dengan Pendekatan Cost Benefit Analysis Di Kelurahan Kedamaian Kota Bandar Lampung Arlina Phelia; Ria Oktaviani Sinia
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2611

Abstract

Bandar Lampung City is part of the major city of Lampung province. The problem that arises in Bandar Lampung City is solid waste management. The amount of solid waste in Bandar Lampung City reaches 1000 tons/day. One of the district  of Bandar Lampung named Kedamaian district still uses the old method (collecting-transport-throw) in solid waste management, which  causes the load of waste to accumulate in the landfill. The constraints encountered  this time are the absence of sorting locations  and limited land. Kedamaian district needs to develop waste  treatment facilities, an approach based on  Cost Benefit Analysis (CBA). The results show  from the analysis that BCR in the scenario A 1 is 0.85 with NPV - Rp. 72.968.828. the  activity in the existing conditions can still be carried out, but the waste reduction has not been maximized to the TPS (Container). Scenario B, NPV is Rp. 95.319.338 and BCR is 1.13, which value of BCR is 1. This indicates that a waste processing facility  in the Kedamaian District is suitable to  operate  with TPS-3R. The results of scenario B are  obtained by increasing the effectiveness of processing facilities to 100% by  2025. In 2025, with the implementation of the TPS-3R obtained, BCR is 1.20 with NPV is Rp. 218.447.621.
Potensi Penyebaran Covid-19 di Objek Wisata Indoor Sumatera Barat Berdasarkan Kualitas Fisik Udara Studi Kasus: Lubang Japang dan Istano Basa Pagaruyung Resti Ayu Lestari; Rinda Andhita Regia; Hafifatul Auliya Rahmy; Vezy Hidayatifa Thayyibah; Nadya Fadhillah Febrinaldi
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2590

Abstract

The Covid-19 pandemic is affecting indoor tourism in West Sumatra. The spread of a virus through could be influenced by indoor air quality. This study aims to analyze the potensial spread of Covid-19 in the indoor tourism in West Sumatra based on the physical indoor air quality, including PM2.5 concentration, temperature, humidity, and light intensity. The research objects were Lubang Japang Bukittinggi and Istano Basa Pagaruyung. The research was conducted by using sampling and interview methods. The data obtained were compared to Permenkes No. 1077/Menkes/Per/V/2011 and the suitable environmental conditions for the virus. The results showed that the temperature values in tourist objects were below the standards used. The temperature value in the research objects ranged from 20oC to 30oC. The humidity, light intensity, and PM2.5 concentration values were outside the ranges stipulated by regulations. Lubang Japang humidity was: 75.97 - 94.76 Rh; Istano Basa Pagaruyung: 65.83 - 67.16 Rh. Lubang Japang light intensity was: 0.4 - 4.0 Lux; Istano Basa Pagaruyung: 28 - 38 Lux. The concentration of PM2.5 at Lubang Japang: 187.45 µg / Nm3; Istano Basa Pagaruyung: 77.29 µg / Nm3. Based on this research, the humidity and the PM2.5 concentration of the research objects have the potential to spread the Covid-19.
Analisa Topik Pendidikan Dalam Al-Quran dengan Pendekatan Text Mining Bustami Yusuf; Muhammad Zaeki; Hendri Ahmadian; Khairan Ar; Sri Wahyuni
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2649

Abstract

Education is one of the sciences that makes humans much better by learning various scientific disciplines. Al-Quran is one of the sources of knowledge that is believed by Muslims around the world. Because technology has penetrated almost every domain of our lives , including the world of education. Thus, the authors make technology as tool  for researching educational topics in Al-Quran by implementing text exploration .The research was carried out by making some basic words that were related to the subject of education as the keywords in this study. The keywords are “Ajar”, “Bicara”, “Cipta”, “Dengar”, “Ingat” and “Lihat”. Then, the authors implemented the Naïve Bayes Classifier algorithm. To test and evaluate the results, the author used two methods, i.e. recall and precision. The study results are the keyword “cipta” by 3.05 %, “Ingat” 2.25 %, “Ajar” 1.96 %,“Lihat” 0.82 %, finally “Dengar” 0.62% and “Bicara” 0.34% with  total  weight of 3,516 words that  have been filtered. The overall percentage of the results is 9.04% of the total number of words 38,761 in the Al-Quran. For the Naïve Bayes algorithm evaluation method,  the recall and precision scores are 0.605 and 0.366, respectively.
Penyisihan Logam Cr (VI) dari Limbah Cair Elektroplating Menggunakan Mikroalga Chlorella sp. dengan Variasi Penambahan External-Glutathione Shinta Elystia; Edward HS; Afrilia Geishy Karamy
Jurnal Serambi Engineering Vol 6, No 1: Januari 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i1.2606

Abstract

Electroplating wastewater containing metal Cr (VI), which has a high toxicity. An  alternative treatment is absorbed using microalgae Chlorella sp. Chlorella sp. has the ability to synthesize glutathione phytochelatin (GSH) to respond to the toxic effects of heavy metals. If the micro algae cannot synthesize phytochelatin properly, the cells will die due to exposure to heavy metals in a long contact time. In this study, GSH was added to the metal biosorption process by micro algae Chlorella sp. This study aimed on  determining the effect of the adding   GSH during the biosorption process. The study was conducted with variations of  GSH (0, 5, 10, and 15 mg/L) and variations of  contact time (1, 2, 3, and 4 days). The results of this study show that  high cell density occurred in the reactor with the addition of GSH 15 mg/L which is 1.72x106 cells/ml. The highest removal of Cr (VI) metal occurred in  4 day contact  with the addition of GSH 15 mg/L and obtained a 72% removal efficiency.

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