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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.
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Articles 30 Documents
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Search results for , issue "Vol 6, No 2: April 2021" : 30 Documents clear
A Review on the Impact of Silver Nanoparticles on Soil Microorganisms and Bioremediation as Heavy Metal Removal Technology Hartati Oktarina; Teuku Mukhriza
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.v6i2.2892

Abstract

The increasing and varied use of silver nanoparticles (AgNPs) as antimicrobial on consumer products increases the risk of the nanomaterial release into the environment and potentially harm beneficial microorganisms in soil. Any change in soil microbial composition will lead to soil quality degradation that eventually reduce crop productivity. The negative effect of AgNPs on soil microorganism has been reported by researchers. There are technologies employed to remove heavy metals from soil such as chemical, physical, and biological technique. However, chemical and physical techniques have some disadvantages e.g high cost and partial removal. Therefore, biological technique including the use of microorganisms (bioremediation) become more favourable. The technique is considered as cost effectiveness and environmentally sustainable method. The present paper summarizes the impact of AgNPs on soil microorganisms and the use of microorganisms (bacteria, fungi, algae, and yeast) to eliminate heavy metals pollution in soil.
Evaluasi Kesiapan Modernisasi Sistem Irigasi di Daerah Irigasi Krueng Jreu Kabupaten Aceh Besar Monisa Eka Yolanda; Syahrul Syahrul; Ichwana Ichwana
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.v6i2.2882

Abstract

Irrigation modernization as a fundamental transformation of irrigation water resources management which aims to increase the utilization of human resources and services provided to a farmer in an effective, efficient, and sustainable manner based on the five pillars of irrigation modernization. This study aims to evaluate the readiness of modernization Krueng Jreu Irrigation Area based on the 5 pillars of irrigation modernization. The research method was observation, interview, and research documentation. The results showed that the index value of modernization readiness in Krueng Jreu on the pillars of water availability with a value of 10, the pillars of irrigation infrastructure with a value of 19.8. Pillars of the irrigation management system with a value of 14, the pillars of irrigation management institutions with a value of 9 and the pillars of human resources for irrigation management with a value of 6. The total value of the index for modernization readiness in Krueng Jreu is 58.8 which is categorized as sufficient, irrigation modernization is postponed and must make improvements within 1-2 years.
Perhitungan Beban Pencemaran Air Sungai Cibabat Kota Cimahi Provinsi Jawa Barat Mochammad Azhar Rais Alfaroby; Eka Wardhani
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.v6i2.2870

Abstract

The lack of domestic wastewater management services in the Cibabat River Basin has resulted in the Cibabat River being a place to collect domestic wastewater. This of course can reduce water quality  as well as reduce the function of the river itself.  The Cibabat river is known to be a sub-watershed of the Citarum River with a surface   area of  1,855 km2. Activities in the Cibabat watershed  contribute  to the pollution load that  causes the water quality of the Cibabat River to decline, which of course has an impact on the decrease  in the quality of the river and increase  in the polluting  load that the river will receive. The research method uses the calculation of the pollutant  load based on Permen LH 115/2003. The data used are  secondary data from DLH Cimahi City, which  conducted a water quality analysis at three points during  three different seasons in 2019. One of the steps to overcome and control the pollution that occurs is to determine the actual pollutant load so that it can easily determine the application of effective technology  for controlling river water pollution  in the Cibabat River at theCimahi City.
Aplikasi Pupuk Kandang Pada Tanah Merah (Ultisol Soil) Di Lahan Pertanian Batam, Kepulauan Riau Mia Juliana Siregar; Adi Nugroho
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.v6i2.2888

Abstract

Ultisol soil is a less fertile soil characterized by low soil fertility rate, high acidity with pH5, high Al saturation. This land has an area of 25% of the total land area of Indonesia. Riau Island is one of the provinces dominated by Ultisol land, so many land is not productive to use as agricultural land. This research was conducted to look at the characteristics of red soil in the agricultural land in Batam City after mixed with organic material in this case which is used is goat manure and chicken manure. From the results of research, the addition of goat manure and chicken manure that is incubated for 30 days can already give changes to the physical and chemical character of the soil, such as soil becoming more loose, having higher water content, increasing soil C organic, Nitorgen, P2O5, K, Mg, and Mn, able to reduce Fe levels in the soil. The addition of chicken manure can increase the available of Phosphate, gives K, Mg, and Mn higher than compared mixing blanko with goat manure. The addition of goat manure can increase the total of C organic and N in the soil is higher than chicken manure.
Uji Total Plate Count (TPC) Bakteri Pada Minuman Teh Poci Homemade di Gampong Batoh Banda Aceh Yuni Dewi Safrida; Hardiana Hardiana; Mauliyana Mauliyana
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.v6i2.2878

Abstract

Poci tea is a favorite beverage produced by household industry. Considering its hygienic quality so that it is not contaminated by microbes seems to be an important factor. This study aims to determine the level of microbial contamination in Poci tea produced by household retailers in Batoh, Banda Aceh. This study was conducted at the Pharmacy Laboratory, Academy of Pharmacy and Food Analysts (AKAFARMA) Banda Aceh from 8  to 12 June 2020. The method of this study is    a quantitative experimental laboratory with Total Plate Count (TPC). The samples of this study are seven Poci tea  obtained from Batoh retailers selected by random sampling. The results showed that the seven Poci teas samples were contaminated  microbes, i.e ALMK with a TPC value of 4x103 colonies / ml, AMK with a TPC value of 4x103 colonies / ml, HFK with a TPC value of 2x103 colonies / ml, JLM with a TPC value of 3x103 colonies / ml, KUCB with a TPC value of 4x103 colonies / ml, MHFK with a TPC value of 4x103 colonies / ml, and MHZZ with a TPC value of 2x103 colonies / ml. In conclusion, the seven Poci tea samples sold in Batoh have TPC values that are not permitted by the Regulation of the Head of RI POM No. 16 of 2016. Therefore, this poci tea is not recommended for consumption.
Prospek Utama Pengembangan Energi Terbarukan Di Negara-Negara ASEAN Syaifuddin Yana; Muhammad Nizar; Ardhana Yulisma
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.v6i2.2866

Abstract

The economic development of a country depends on  sustainable energy sources that meet   basic human needs. Government policy on energy conservation is an effort to maintain the stability of energy security that affects the economic development  of a country. Southeast Asia is experiencing rapid economic growth and development, combined with population growth and urbanization, as well as increased access to basic services. This study aimed to determine the seven key factors  considered that shape energy in Southeast Asia. Based on the panel data model, it showed that energy demand in the ASEAN region greatly influences  GDP per capita; demographics  and urbanization; air quality, climate risk, and environmental degradation; energy accessibility, affordability, and security; investment and financial ; as well as energy policies, prices, and regulations.
Peningkatan Status Mutu Sungai Cimahi dengan Penyusunan Rencana Induk Sistem Pengolahan Air Limbah Domestik Muhammad Viqi Rafianto; Eka Wardhani
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.v6i2.2893

Abstract

Population growth greatly influences changes in land use, and the Cimahi Watershed (DAS) is also experiencing these changes.  The change in land use has resulted in reduced water  quality in the Cimahi River. Water pollution in the Cimahi River is greatly influenced by the discharges from the Cimahi River watershed facilities. This research identifies  a master plan for wastewater management in the Cimahi watershed to improve water quality of the Cimahi River  and establishes a Domestic Wastewater Management System (SPALD) in the Cimahi Watershed region . Wastewater management provisions are regulated by PermenPUPR No. 4 of 2017 through a series of screening. As a result of a series of screenings conducted for the Cimahi watershed, which consists of seven sub-districts, only one sub-district can use the Centralized SPALD, namely Cimahi Village. Two sub-districts of the Cimahi watershed did not meet the  population density selection criteria , and five sub-districts  within the Cimahi watershed did not meet the criteria for a depth review.  Follow-up screening, such as groundwater  permeability, ability to fund , and  slope of the land for all urban villages met the screening criteria.
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.  
Pemanfaatan Mikroalga dalam Penurunan Kadar Amonia dengan Variasi Penambahan Effective Microorganism Anshah Silmi Afifah; Gita Prajati; Yosef Adicita; Darwin Darwin; Yura Witsqa Firmansyah
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.v6i2.2871

Abstract

The existence of microalgae in water -provides many benefits especially for biological treatments of wastewater. Microalgae have many species and are chlorophyll microorganisms. Photosynthesis carried out by microalgae requires essential nutrients such as CO2. Carbon dioxide can be obtained by symbiosis from other microorganisms, such as EM4, which can be used to decompose complex organic compounds into simple compounds (CO2). The addition of EM4 must be appropriate to make the photosynthesis process in microalgae take place optimally. Therefore, this study aims to determine the optimal dose variation of EM4 in the microalgae in the reactor. With variations in the doses tested were 0 mL, 1 mL, and 2 mL. The research was conducted by making artificial wastewater from liquid NPK, diluting it with tap water with a ratio of 1: 300. The test was carried out using a batch system, with solar lighting and aeration for 24 hours. The result of the best dose variation is the addition of 1 mL of EM4.  The largest decrease in ammonia levels is obtained which is then compared to the variation of the doses of 0 mL and 2 mL.
An Application of Game Theory in Determining Competitive Strategies on Smartphone Products Destia Anisya Ramdani; Jauhari Arifin
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.v6i2.2862

Abstract

In this modern era where technologies growing rapidly, various businesses are increasingly competitive as well as businesses in telecommunications. Nowadays, most of the companies manufacture sophisticated smartphones in which each of them has its own specialties to attract consumers. This studi aims to identify how each type of smartphone show its excellence so that it can make people interested. The purpose of this study is to find out how the implementation of game theory in determining the competitive strategies of each smartphone products. The results that is obtained from the Dominant method and the Maximin - Minimax method show that the optimal solution strategy obtained is 3, where 3 means explaining that the optimal solution from Xiaomi is the Price strategy (H), while Oppo with the quality strategy (K).

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