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INDONESIA
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.
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Articles 900 Documents
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Karakteristik Membran Komposit Polietersulfon, Polivinilpirolidon dan Kitosan Muhammad Fadli; Al Khausar; Sofyana Sofyana; Ummi Fathanah
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.v6i4.3476

Abstract

Polyethersulfone (PES) is a membrane forming material that has many advantages but is hydrophobic, so it is necessary to add other materials, such as composite PES with Polyvinylpyrrolidone (PVP) and chitosan. The addition of PVP aims to change the nature of the PES membrane to be hydrophilic and the addition of chitosan aims to improve the mechanical properties of the polymer. The purpose of this study was to study the effect of adding PVP and chitosan to the characteristics of PES membranes. The membranes were made using a phase inversion technique by immersion precipitation with a concentration of 20% PES, 1% PVP, and chitosan were varied, namely 0% (M0 membrane), 1.5% (M1), 2% (M2), and 3% (M3). The results of the permeability test showed that the membranes M0, M1, M2, and M3 are classified as nanofiltration membranes with Lp values of 9.1237, 7.618, 6.9651, and 4.4077 L/m2.h.bar. The swelling degree value is 61,512; 103.111; 145,564; and 158.610% and the overall porosity value is 22.892; 32.360; 80.726; and 117.016%. The SEM test showed that the morphology of the membrane changed its structure as the concentration of chitosan increased. The FTIR test on the membrane showed that there were absorption bands, each of which identified its functional group.
Studi Fermentasi Biji Kopi Menggunakan Enzim Proteolitik Imam Budiman; Farizky Wahyudi; Yunardi Yunardi; Hesti Meilina
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.v6i4.3466

Abstract

Wet fermentation by added proteolytic enzyme can be used for upgrade the taste of coffee. The enzyme was obtained from plant because of ease to get and fulfill the term of Indonesia’s constitution about halal product assurance. This study used two types of proteolytic enzyme; bromelain and zingibain that originated from pineapple and ginger, respectively. Coffee beans were fermented with weight ratio 1:4 and 3:4 (enzyme’s source: coffee beans), and compared with a non-adding control and commercial coffee. Samples were collected after 1, 2 and 3 days. Roasted beans were physical and chemical evaluated according to Indonesia National Standard (SNI-01-3542-2004). Also, the sensorial evaluation of the roasted coffee beans was determined by organoleptic test. Physical and chemical evaluation consist of water content, ash content, coffee extract, ash alkalinity and caffeine content. Sensorial evaluation includes color, aroma and flavor.
Policy Brief : Pengolahan Abu Hasil Pembakaran Limbah Medis sebagai Alternatif Pengganti Bahan Bangunan yang Berasal dari Fasilitas Pelayanan Kesehatan Muhammad Fadli Ramadhansyah; Arief Nugroho; Nur Endah Wahyuningsih
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.v6i4.3495

Abstract

Policy briefs have an important role in solving problems that exist in a health agency, especially during the COVID-19 pandemic. One example of the problems that exist in health care facilities is air pollution that comes from the ashes resulting from the burning of medical waste. The impact of air pollution on humans is that it triggers respiratory disorders which are characterized by a decrease in the elasticity of the lungs to accommodate the volume of air so that this can be associated with the incidence of respiratory disorders. In addition, it has a small particle size and is scattered in the air in large quantities. The purpose of this study is to provide information related to the summary of policy making that is used as a reference to increase the effectiveness of processing ash from combustion based on a review study. This study uses a descriptive method with a literature review approach. The criteria for the articles used have a publication time of the last 10 years, discuss the utilization of combustion ash, and discuss the policy of processing incinerator ash waste. Making a policy brief can be used as a starting point for advocating for local governments to use ash from burning as an alternative to building materials to reduce air pollution and the accumulation of ash waste that accumulates in incinerators in health care facilities.
Keberadaan Plastik di Lingkungan, Bahaya terhadap Kesehatan Manusia, dan Upaya Mitigasi: Studi Literatur Yura Witsqa Firmansyah; Mirza Fathan Fuadi; Muhammad Fadli Ramadhansyah; Farida Sugiester S; Wahyu Widyantoro; Maurend Yayank Lewinsca; Sutra Diyana; Nanda Ika Vera Marliana; Intan Sekar Arumdani; Aziz Yulianto Pratama; Desti Azhari; Ramadani Sukaningtyas; Afdal Hardiyanto
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.v6i4.3471

Abstract

Since 2001, synthetic polymers  have been one of the most important materials since 2001 because they are used by humans and become a necessity in various sectors such as thermoplastics in countless quantities. Plastics have properties that are difficult to decompose and can change size into plastic macromolecules with the help of photodegradation, oxidation, hydrolytic degradation, and mechanical breakdown . Plastic pollution is a serious problem because the demand for plastic by society is increasing every year and the result of a lot of plastic waste can cause serious health problems and problems in the surrounding environment. Therefore, the use of plastic has a big impact on human health and the environment because it’s hard to decompose. The aim of this study is to provide information on the effects of microplastics on the environment through a review study. This study uses a descriptive method with a literature review approach. The criteria for articles used sources from Scopus, Science Direct, ProQuest, SpringerLink, Google Scholar, Nature, JSTOR, and Emerald Insight. The conclusion in this study found a relationship between the presence of microplastics with human health problems, and the environment so that it is necessary to mitigate against plastic waste pollution such as 3R and substitution of materials.
Penerapan Panel Surya sebagai Sumber Energi Listrik Alternatif pada Gedung Fakultas Teknik Universitas Teuku Umar T. M. Azis Pandria; Nissa Prasanti
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.v6i4.3477

Abstract

After turning into a state university, Universitas Teuku Umar continues to improve a number of infrastructures including the addition of a number of buildings. Currently the only source of electricity used to run all facilities in the building only from PLN, so that in the face of obstacles such as blackouts, suspension of electricity supply, or other technical constraints will result in the cessation of all activities so that it has an impact on the decline in the performance of the Faculty of Engineering in general. Research on the application of solar panels installed on the roof of the building (rooftop) as Building Applied Photovoltaic (BAPV) was conducted. The purpose of the study is to find out the number of solar panels and other devices needed for the application of PLTS in the Faculty of Engineering Building. PVsyst V7.2 software It is used to obtain daily solar radiation values at the locations reviewed. The existing Total Energy (TE) value calculation method is used to determine the capacity of solar panels and other supporting equipment. Results show an existing TE value of 20,422 Wh/day or equivalent to 20,422 kWh/day. Based on te value the number of solar panels needed as much as 33 units of capacity 120 Wp, Solar Charge Controller (PWM) 12 V-250 A 1 unit, VRLA Gel Battery Brand VOS 12V - 150 Ah 41 units, Inverter Pure Sine Wave (PSW) Split Phase Inverter Charger Series power 1-6 KW 1 unit.
Peramalan Strategi Pelanggan serta Perpindahan Pelanggan Indomaret dan Alfamart dengan Metode Game Theory dan Markov Chain Muhammad Aliwafa; Sukanta Sukanta; Rianita Puspa Sari
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.v6i4.3467

Abstract

Karawang is one of the areas that developed into one of the largest industrial cities in Indonesia. Karawang experienced rapid growth, especially in the industrial and commercial sectors. This has led to the occurrence of the change of the pattern of life in the community, so that modern society become identical with a consumptive lifestyle. Leads to the new needs that actually put forward in public life, one of which is the demand needs of life, especially basic needs. That's what became the basis of the number of franchise mini market opened, but there are two big names that are often visited by the people that Indomaret and Alfamart. The purpose of this study is to analyze the probability of the displacement of the consumer between two mini market. The method of game theory used for the analysis of customer strategy of the two-mini market, while the Markov chain is used to analyze the displacement of the customer. Results from game theory such Alfamart winning strategy on price and Indomaret winning strategy on the completeness of the product. While the results from the Markov chain there is a movement of consumers from Indomaret to Alfamart.
Policy Brief : Pengolahan Abu Hasil Pembakaran Limbah Medis sebagai Alternatif Pengganti Bahan Bangunan yang Berasal dari Fasilitas Pelayanan Kesehatan Ramadhansyah, Muhammad Fadli; Nugroho, Arief; Wahyuningsih, Nur Endah
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.v6i4.3496

Abstract

Policy briefs have an important role in solving problems that exist in a health agency, especially during the COVID-19 pandemic. One example of the problems that exist in health care facilities is air pollution that comes from the ashes resulting from the burning of medical waste. The impact of air pollution on humans is that it triggers respiratory disorders which are characterized by a decrease in the elasticity of the lungs to accommodate the volume of air so that this can be associated with the incidence of respiratory disorders. In addition, it has a small particle size and is scattered in the air in large quantities. The purpose of this study is to provide information related to the summary of policy making that is used as a reference to increase the effectiveness of processing ash from combustion based on a review study. This study uses a descriptive method with a literature review approach. The criteria for the articles used have a publication time of the last 10 years, discuss the utilization of combustion ash, and discuss the policy of processing incinerator ash waste. Making a policy brief can be used as a starting point for advocating for local governments to use ash from burning as an alternative to building materials to reduce air pollution and the accumulation of ash waste that accumulates in incinerators in health care facilities.
Produced Water Treatment Planning Using Corrugated Plate Interceptor and Ultra Filtration for Water Recycling Novena Lany Pangestu; Nurulbaiti Listyendah Zahra; Ariyanti Sarwono; I Wayan Koko Suryawan
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.v6i4.3473

Abstract

Produced water generated by the oil and gas industry, when treated properly, will produce water that is ready to be reused, such as for watering plants. This planning is done by treating the produced water with Corrugated Plate Interceptor (CPI) and Ultra Filtration units. This research aims to analyze the design details needed in the recycling of produced water with CPI and Ultra Filtration units. After determining the design criteria used, the dimensions for each unit are obtained. Data was collected using secondary data directly from the study site and quantitative method was used for data analysis. The land area for one CPI unit requires 55 m2 with a volume of 110 m3. The Reynolds number and Froude number for CPI units meet the design criteria with 419.8 and 0.24, respectively. The ultra-filtration unit was selected with a Flux specification of 0.15 m3/m2.hour with an operational duration of 24 hours. The results of processing with the CPI unit can at least produce oil and fat effluent of 0.038 mg/L, with the threshold for water quality is 1 mg/L. Produced water treatment planning with CPI configuration and UF membrane with storage tank requires a total land area of 63.97 m2..
Pengetahuan dan Adaptasi Petani Kopi terhadap Perubahan Iklim di Kecamatan Air Hitam Kabupaten Lampung Abdul Mutolib; Ali Rahmat; Tita Sumiati
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.v6i4.3478

Abstract

Climate change has caused production declines and crop failures in some agricultural commodities.  This study aims to identify the level of knowledge, adaptation practices, and types of protective trees used by coffee farmers in dealing with climate change. The research was carried out in Rigis Jaya Village, West Lampung District from May to July 2021. The number of respondents was 80 coffee farming households. Respondents were determined through a simple random sampling approach. The data collected consists of qualitative and quantitative data. Data collection was carried out through the survey method. The results of the study illustrate that coffee farmers have realized that climate change has occurred. 60% of coffee farmers are aware of climate change in the last 1-5 years and 20% of coffee farmers are more than 5 years old. From mitigation practices, 25% of coffee farmers mitigate climate change. Climate change mitigation practices carried out by farmers are through the use of superior coffee varieties, planting shade trees, setting coffee spacing, making vents, and utilizing the remaining coffee husks to increase soil fertility and moisture. There are 14 types of shade trees planted by farmers consisting of legumes and non-legume trees. Petai (Parkia speciosa) is the most widely planted shade tree in coffee plantations with 45% of the total respondents.
Analisis Produktivitas Mesin Filling Auto Cup Sealer 1 dengan Metode Overall Equipment Effectiveness pada PT. Prima Kemasindo Nurhayati Nurhayati; Dene Herwanto; Hamdani Hamdani
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.v6i4.3468

Abstract

The high level of downtime on the ACS 1 filling machine at PT. Prima Kemasindo causes the production process to be not optimal on the machine. The purpose of this study is to identify the maintenance system on the ACS 1 filling machine and measure the productivity level of the ACS 1 filling machine in the period from January to March 2021. This research is applied research using the Overall Equipment Effectiveness (OEE) method. The data used in this study are primary and secondary data obtained from company reports as well as interviews and observations. The results obtained in this study are the Overall Equipment Effectiveness (OEE) value of the ACS 1 filling machine for the period January 98.0%, February 98.5%, March 95.2%, and the average OEE value for the January-March period is 97.2 %. Then from the analysis of Six Big Loses, it is known that the highest loss elements are Idling and Mirror Stoppages and Reduced Speed. Based on the results of the fishbone diagram, it is known that the cause of Idling and Mirror Stoppages and Reduced Speed consists of several factors, namely humans, machines, materials, and methods. Several efforts can be made to increase the effectiveness of the use of machines, namely periodic replacement of machine maintenance, periodic operator training, and training on operator self-awareness, the importance of supervision, and operators must always supervise machine parts.

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