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Muhammad Nizar
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muhammad.nizar@serambimekkah.ac.id
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Kota banda aceh,
Aceh
INDONESIA
Jurnal Serambi Engineering
ISSN : 25283561     EISSN : 25411934     DOI : https://doi.org/10.32672/jse
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.
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Articles 1,178 Documents
Sintesa dan Karakterisasi Biofuel dari Limbah Laboratorium Teaching Factory Politeknik Negeri Lhokseumawe dengan Proses Catalytic Cracking Muammar Khadafi; Ratni Dewi; Adriana Adriana; Ratna Sari; Lukman Hakim
Jurnal Serambi Engineering Vol 6, No 4 (2021): Oktober 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i4.3517

Abstract

Spent earth is a waste resulting from the bleaching process which contains gums and a large amount of oil so that it still has the potential to be reprocessed into biofuel. This study aims to utilize the oil from spent earth as a raw material in the synthesis of biofuels through the catalytic cracking process. In the catalytic cracking process, zeolite and kaolin catalysts are used in the ratio (0:100); (30:70); (50:50); (70:30) and (100:0) and temperature variations of 150oC, 175oC and 200oC for 3 hours. Based on the research results, the best biofuel was obtained at a catalyst ratio of zeolite: kaolin (70:30) and a temperature of 200oC with a yield of 76.13%. The results of the biofuel characterization obtained a water content of 0.0301%, octane number 90.5 RON and a density 751 kg/m3. Analysis of biofuel composition was measured using GC-MS and it was found that the biofuel contained 4.60% C11H24, 8.99% C12H26, 22.49% C16H34, 9.54% C18H34O2 and 54.38% C19H36O3. Based on the physical and chemical properties of the biofuel as a result of cracking with zeolite and kaolin catalysts, it is in accordance with SNI for gasoline qualification.
Perencanaan Lanskap dan Strategi Pengembangan Potensi Daya Tarik Ekowisata Batu Rongring Taman Nasional Gunung Leuser Ovie Farizal; Hamdani Harahaf; Marifatin Zahra
Jurnal Serambi Engineering Vol 5, No 2 (2020)
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v5i2.1928

Abstract

Batu Rongring Ecotourism is in the buffer zone of National Park of Gunung Leuser (TNGL). The uniqueness of ecosystems, customs, and flora of the flora makes Batu Rongring Ecotourism interesting to visit. Batu Rongring Ecotourism Planning and Development must be in accordance with the characteristics and potential of the Natural Attraction Attraction (ODTWA) in Batu Rongring. This study aims to analyze landscape planning in developing Batu Rongring ecotourism as a buffer for TNGL. ODTWA potential analysis for the Rongring Stone Development Strategy uses internal factor analysis (IFAS), external factors (EFAS) and SWOT Analysis. Landscape planning is done by involving stakeholders in the Forum Group Disscusion (FGD). The results of the assessment in the development of Batu Rongring Ecotourism is known the value of IFAS = 2.71 which makes the strategy in the development of Rongring Stone is the strength and the value of EFAS = 3.33 establishes the strategy used in developing the Rongring Stone is an opportunity. Batu Rongring Ecotourism has ODTWA that can be developed. Potential ODTWA found in Batu Rongring are: Sei Musam River, Flora fauna, Community huts, Customs, Caves. Batu Rongring Ecotourism development strategies are: Nature Tourism Attraction, Tourism Cooperation, Ecotourism Training, Capital, Sarpras, Economic Tourism, Traditional Tourism, Perdes, Online Promotion.
Peranan Sistem Informasi Padi Better Rice Initiative Asia (BRIA) Dalam Mendukung Ketersediaan Pangan Daerah Isnaini Isnaini; Sirojuzilam Sirojuzilam; Agus Purwoko
Jurnal Serambi Engineering Vol 3, No 2 (2018): Vol. 3 Edisi Khusus Februari 2018
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v3i2.441

Abstract

This study is aimed at studying the projection of harvested area and production for 10 years, the influence of rice cultivation technology on increasing rice production and the role of BRIA Rice Information System to food availability system in Serdang Bedagai District. The data collected were primary and secondary data that analyzed by linier regression to figure out the projection of harvested area and production, logistic regression to recognize the influence of rice cultivation technology on increasing rice production and FGD to figure out the role of BRIA Rice Information System in favorregional food availability. The result of this study showed that there was an upward trend in harvested area and production in Serdang Bedagai District of 2012-2022. Rice cultivation technologies have given significant influence to increase rice production. BRIA Rice Information System has played a part of supporting real-time data and information to support the regional food availability.
Pengawetan Ikan Tongkol Menggunakan Abu Pelepah Kelapa Sebagai Alternatif Pengawet Alami Ruka Yulia; Rita Sunartaty
Jurnal Serambi Engineering Vol 7, No 1 (2022): Januari 2022
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v7i1.3827

Abstract

Coconut fronds are agricultural wastes that are abundant in Aceh Province. Coconut midrib which is processed into ash has great potential to be used as a natural preservative. Preservation of tuna using coconut frond ash is a breakthrough from the natural resources of Aceh's local wisdom. The purpose of this study was to determine the protein content, fat content and calcium content of mackerel fish preserved with coconut frond ash. The experimental design used was a completely randomized design with 2 variables and 3 replications. The research variables used were the amount of coconut frond ash and the drying time of tuna. The amount of midrib ash used was 3, 6 and 9 grams and the drying time was 10, 15 and 20 hours in sunlight. The results showed that the amount of ash and drying time had a significant effect on water content and protein content. While the treatment and drying time had no significant effect on the fat content.
Pengaruh Koagulan PAC dan Tawas Terhadap Surfaktan dan Kecepatan Pengendapan Flok Dalam Proses Koagulasi Flokulasi Elvis Umbu Lolo; Yonathan Suryo Pambudi; Richardus Indra Gunawan; Widianto Widianto
Jurnal Serambi Engineering Vol 5, No 4 (2020)
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v5i4.2315

Abstract

Surfactants are compounds that make up deterjents, which if deterjent is dumped into the river it will cause pollution. In the province of West Java, river water and receiving water bodies, based on the results of the study, showed moderate to severe pollution by wastewater containing deterjents. The results showed that the PAC coagulant and alum has a small effect on the decrease in surfactant and floc velocity settling, where the decrease in surfactant in the rainy season for PAC coagulant is 49.51% and alum coagulant 40.73%. While in the dry season the decrease in surfactant with PAC coagulant 41.06% and alum coagulant 31.10%. Then the floc velocity settling was measured to explain the correlation of surfactant decline, and the results obtained for the rainy season floc velocity settling with PAC coagulant was 0.80 cm / minute and alum was 0.27 cm / minute. Whereas in the dry season with the PAC coagulant the floc velocity settling was 0.91 cm / minute and the alum coagulant was 0.31 cm / minute. The results of quantitative regression analysis with the SPSS statistical test showed that the H0 hypothesis was accepted, that the coagulant had no effect on surfactant reduction and floc velocity settling.
Dampak Pembuangan Limbah Domestik terhadap Pencemaran Air Tanah di Kabupaten Pidie Jaya Muhammad Gufran; Mawardi Mawardi
Jurnal Serambi Engineering Vol 4, No 1 (2019)
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v4i1.852

Abstract

One parameter of water quality is bacteriological content. Among the factors causing increased bacteriological content in water (SGL) are domestic waste. This study aims to determine the quality of water (SGL) in Keude Lueng Putu Village biologically, knowing whether distance (SGL) from polluting sources meets the requirements or not, determining whether physical conditions and construction (SGL) meet the requirements or not, and identify user behavior (SGL). The population in this study was 121 units (SGL) and those taken into samples using the Simple Random Sample technique were 10% of the total (SGL), which was 12 (SGL). For the independent variable distance / location of pollutant sources with bacteriological quality of water with  indicators of Coliform levels, it shows that the farther the distance of the pollutant source the lower the Coliform  level (having a negative correlation). While the correlation between the distance / location of pollutant sources with E. coli levels is very weak (Pearson correlation value is very small (0.013) .Correlation test for the second independent variable shows that the physical condition (SGL) does not have a significant effect on Coliform levels (p value 0.558), while E. coli levels show a correlation between construction (SGL) and E. coli levels, although this relationship is very weak because the p value is 0.067. The third independent variable explains the behavior of the people which greatly influences Coliform levels in water (SGL ) indicated by (p value) is 0.001 (0.05).
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.
Optimalisasi Penugasan Karyawan Jasa Ekspedisi Menggunakan Metode Hungarian (Studi Kasus CV. Anteraja Cabang Mekarmukti) Lutfi Nur Rahman; Wahyudin Wahyudin
Jurnal Serambi Engineering Vol 6, No 3 (2021): Juli 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i3.3245

Abstract

The Covid-19 pandemic has prompted an increase in e-commerce orders as people prefer to buy their needs online. This impact occurs in the development of the freight forwarding service industry that takes a long time to deliver goods to consumers so that delivery is not optimal in one day. CV. Anteraja Mekarmukti branch is one of the shipping service provider expedition companies that has 14 couriers in charge of delivering packages to 14 delivery points in Cikarang Baru. The problem that is often experienced by CV. Anteraja Mekarmukti branch is related to the allocation of couriers that result in long delivery time. The method used in this study was the Hungarian Method to minimize time by placing courier delivery at the destination. Based on the results of the study, after using the Hungarian Method obtained the delivery time of goods on the CV. Anteraja is 172 minutes, where there is a reduction in the delivery time of goods by 30 minutes and time efficiency by 14.85% when compared to the completion time before using the Hungarian method of 202 minutes.
Evaluasi Pengelolaan Limbah Bahan Berbahaya dan Beracun (B3) di PT. X Siti Amalia Fajriyah; Eka Wardhani
Jurnal Serambi Engineering Vol 5, No 1 (2020)
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v5i1.1597

Abstract

Disposal of the residual production of an industry containing hazardous and toxic materials can have a negative impact on the environment and human health. PT. X The Spinning Division is a company engaged in spinning yarn that produces hazardous waste in the production process, especially in machine maintenance. The hazardous waste produced is in the form of used TL lamps, contaminated cotton waste, used oil, and used hazardous packaging. The hazardous waste is toxic, corrosive and flammable. The purpose of this study is to compare the existing conditions of hazardous waste management with applicable regulations. The study was conducted by directly observing the existing conditions and scoring using Guttman scale. The research variables include sorting, storing, collecting, transporting, utilizing, processing and landfill hazardous waste. The results showed that the management of hazardous waste in PT. X The Spinning Division gets a score 34.3% which is categorized “Poor”.
Enkapsulasi Probiotik Lactobacillus sp.Menggunakan Dua Tahap Proses Rintan Fransiska Trimudita; Djaenudin Djaenudin
Jurnal Serambi Engineering Vol 6, No 2: April 2021
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v6i2.2883

Abstract

The Lactobacillus sp. a probiotic microorganism that can’t to survive gastric acidity and the concentration of bile salts in the gastrointestinal tract. Probiotic encapsulation is one of the methods to protect probiotic during processing process, storage, and from acidic solutions in the gastrointestinal tract. The research was to know that viability was encrypted with an alginat matrix and we were against testing in simulated stomach acid. In this research, the encapsulation process was conducted by mixing Lactobacillus sp. with Na-Alginate to form a suspension as encapsulation material. The microcapsules formed were coated with chitosan with concentrations i.e., 1.2%; 1.6%; and 2%. Lactobacillus sp. encapsulated chitosan matrix was tested for its viability in gastric fluid simulation (0,2% NaCl pH 1,2 and 3) for 1 minute, 60 minutes and 120 minutes using the TPC method (Total Plate Count). After the viability test, Lactobacillus sp. encapsulated with 2% chitosan could maintain the viability lactobacillus sp with the number of colony was of 7,41 log Cfu/gram in the simulation of gastric acid fluid pH 3 for 120 minutes, and 4,78 log Cfu/gram in the simulation gastric acid fluid  pH 1,2 with duration 120 minutes.  

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