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Muhammad Nizar
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muhammad.nizar@serambimekkah.ac.id
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serambiengineering@serambimekkah.ac.id
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Fakultas Teknik, Universitas Serambi Mekkah Jalan Unmuha, Batoh, Telp. (0651) 26160 dan (0651) 22471 Banda Aceh, Indonesia
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INDONESIA
Serambi Engineering
Published by Universitas Serambi Mekkah Aceh
ISSN : 25283561     EISSN : 25411934     DOI : http://doi.org/10.32672/jse
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering
The Serambi Engineering journal is published as a medium to distribute information on research results in engineering and science, both carried out by lecturers from the Serambi Mekkah University and other parties. Published research can be in the form of field research or laboratory research as well as a literature review. This journal is published four times yearly, namely January, April, July, and October. Editors accept manuscripts from lecturers, researchers, students, and practitioners that have never been published by any other media. Manuscripts submitted will be evaluated and edited for uniformity of format, terms, and other procedures. The topics that can be published but are not limited to are: Water & Waste Water Quality Solid Waste Management Air Pollution Control Environmental Health Environmental Modeling Environmental Management Water Resources Management Occupational Health & Safety Ecology Renewable Energy Circular Economics Sustainable Development Climate Change Mitigation and Adaptation Climate Change and Water Resources Adaptation Urban Planning Informatics Computer and Technology Industrial Engineering Other .
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 964 Documents
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Analisis Risiko Konstruksi Bangunan Gedung Bertingkat Sedang Dengan Metode HIRARC Reisya Nabila Hasibuan; Syarifah Keumala Intan; Herri Mahyar
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Construction projects are inherently dynamic and entail a certain degree of risk, particularly in the context of the construction of an eight-story building. The occurrence of risks within a project can result in financial losses, necessitating the identification and evaluation of potential risks. In this study, a construction risk analysis was conducted on a medium-rise building comprising eight floors, employing the Hazard Identification, Risk Assessment and Risk Control (Hirarc) method. A quantitative descriptive research study was conducted using a purposive sampling method, with a total of 36 respondents. The primary data were collected in the form of questionnaires, while the secondary data were sourced from Job Safety Analysis (JSA), K3 audit reports, and plan drawings. The quantitative descriptive questionnaire instrument was found to be valid and reliable. The results of the hazard identification process, based on data obtained from secondary sources, identified 45 potential risks. These were then subjected to a risk assessment based on probability and severity. The risk assessment results indicate that there is one high-risk activity, namely the modification of the structural design of the columns, beams, and floor plates. Additionally, there are 44 risks classified as moderate-risk. The most effective risk control strategy from an engineering perspective is to implement a flexible material procurement schedule, which facilitates improved communication and coordination. From an administrative standpoint, monitoring and evaluation represent key risk control measures.
Redesign Tempat Penyimpanan Sementara Limbah B3 (Sandblasting) pada PT. X di Kecamatan Puloampel Kabupaten Serang-Banten Agus Ikhsan Muarif; Febrika Pangesti; Ade Ariesmayana
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

 Industrial development in the province of Banten is increasing rapidly, especially the development of the manufacturing industry, so it is possible that the amount of waste generated will increase, especially hazardous waste. PT X is one of the manufacturing companies that produces hazardous waste, from several types of hazardous waste produced, one of which is hazardous waste of sand ex sand blasting. This study aims to determine the amount of generation, evaluate the TPSL B3 Sand Ex Sand Blasting and redesign the TPSL B3 Sand Ex Sand Blasting in accordance with PERMEN LHK NO. 06 TAHUN 2021. The data analysis technique in this research was carried out using a mixed method, namely evaluation of TPSL B3 Pasir Ex Sand Blasting and redesign of TPSL B3 Pasir Ex Sand Blasting in accordance with PERMEN LHK NO. 06 TAHUN 2021. Based on the results of this study, the company needs to make improvements related to how to store hazardous and toxic waste with jumbo bag packaging, which has been determined by the applicable government regulations related to hazardous waste generated, and the company needs to improve the procedures for storing hazardous and toxic waste and redesign TPSL B3 Sand Ex Sand Blasting in order to properly manage the hazardous waste when stored and in accordance with the applicable regulations.
Crude Palm Oil Dikatalisis Enzim Lipase Amobil dengan Pengaruh Waktu Reaksi Menggunakan Packed Bed Reactor Revi Indira Shafika; Martha Aznury; Indah Purnamasari
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Biodiesel is an alternative fuel based on renewable energy sources. Generally, chemical processes such as transesterification and esterification are used to produce biodiesel. The biodiesel process using lipase enzyme as a catalyst has the advantage of specific activity and easy separation due to catalyst heterogeneity. Considering the high price of the enzyme, immobilization in the matrix is carried out using cationic resin. The purpose of this study was to determine the effect of reaction time on the activation of immobilized lipase enzyme catalyst on biodiesel produced using packed bed reactor and to obtain optimum biodiesel product characteristics with variations of reaction time on viscosity, density, %yield, iodine number, saponification number, cetane number, biodiesel acid number, total glycerol, methyl ester content and flash point. This research obtained the highest %yield of 86.35%, density of 878 Kg/m3, viscosity of 4.39 cSt, cetane number 68.65, saponification of 144.58 mg KOH/g, acid number 0.47 mg KOH/g, iodine number 68.53 g I2/100g, total glycerol 0.19%, methyl ester 97.31% and flash point 101°C. From the ratio of oil and methanol 1:10, which meets the quality requirements of SNI 7182:2015.
Perancangan Website dan Aplikasi Mobile Untuk Kontrol Jarak Jauh Pada Sistem Smart Gate Perumahan Luthfi Abdul Hafizh; Sony Sumaryo; Muhammad Ary Murti
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Internet of Things (IoT) technology has brought significant changes in various aspects of life, especially in the field of security and access control. This research aims to design and develop an IoT-based remote gate control system, integrated with a website and mobile application, with a focus on implementation in residential areas. The system will allow residents to control the gate from anywhere at any time using internet connected devices, while visitors will be able to request access through the website without the need to install any application. In this study, the system architecture includes servers, hosting services, databases and hardware components such as sensors and gate actuators. The test results show that the system works with excellent accuracy, reaching 100% on both the website and the mobile application, with no errors in the access request process. The results of this research indicate that the developed system provides a practical and efficient solution for managing access to residential gates, and can also be adapted to other environments such as office buildings and public facilities.
Kinetika Reaksi Sintesis Glukosa dari Limbah Padat Yeast (Yeast Mud) Menggunakan Proses Hidrolisis Asam Dimas Nur Arifianto; Rasendriya; Retno Dewati
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Glucose is usually used in the production of liquid sugar, syrup and as an alternative energy source such as bioethanol. An alternative material for the production of glucose is to use waste residues that can still be used, such as solid yeast waste (yeast sludge) from PT. Energi Agro Nusantara, which has a relatively high carbohydrate content of 31.55%. This research was conducted in 3 stages. The first stage is the preparation of raw materials, followed by the production of liquid glucose by acid hydrolysis method and the determination of reaction order and reaction rate constant. The hydrolysis was carried out at a constant temperature of 900C, stirring speed of 200 rpm, material ratio of 1:10, HCl concentration: 2.5N; 3N; 3.5N; 4N; 4.5N, and hydrolysis time: 60 min; 90 min; 120 min; 150 min; 180 min. The results of the study showed that the glucose synthesis reaction from yeast sludge solid waste followed a pseudo first order reaction, and the glucose content of the hydrolysis results was influenced by the concentration of HCl catalyst and the duration of hydrolysis, which had a directly proportional effect. The highest glucose content obtained was 26% and the reaction rate constant (k) value was 0.0046 at a concentration of 4.5 N HCl with a hydrolysis time of 180 minutes.
Mengoptimalkan Efisiensi Pengangkutan Sampah di Kota Langsa, Indonesia: Pendekatan Dynamic Programming Muhammad Nizar; Al-Fataya Zikrillah; Arief Rahman; Erdiwansyah
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

As the population grows every year, it creates environmental problems, one of which is waste. Langsa City is one of the cities that is not free from these problems. This is shown by the piles of garbage that are not collected in the streets of Langsa City due to the limited transport fleet that has to be rotated with different drivers and teams every shift. The purpose of this research is to find out the efficient time and distance travelled on the waste transport route in Langsa City using the Dynamic Programming method and to find out how efficient the route is in terms of time and fuel cost. Data was collected through observation and interviews. Observations were made of six fleets on each route. For the waste transport routes in Langsa City, after using the Dynamic Programming method, a reduction in mileage of 0.2-2.9 km with time savings of 2-19 minutes was observed. The fuel savings after Dynamic Programming is 0.903% for one shift for all vehicles. This shows that the use of Dynamic Programming to solve the problem of waste transport routes in Langsa City has proven to be effective.
Adaptasi Pertanian dalam Menghadapi Perubahan Iklim: Peluang Dan Tantangan Taufiq Ihsan; Vioni Derosya
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Climate change is reported to have huge potential impacts on global agriculture, which vary by geographical region, crop or livestock type, and by the nature of the climatic changes. This paper reviews the relevant literature to determine how the economic impacts of climate change on the agricultural sector are compounded and specified at the regional level. The results show that rising temperatures generally reduce crop yields, and that the negative effects can sometimes be offset by increased precipitation. The winners and losers of climate change will vary geographically, but net yield losses are more likely in warmer semi-arid regions. This review also covers some of the methods used to assess the economic impacts of climate change on agriculture, such as experimental and cross-sectional studies and the Ricardian approach - each with its strengths and limitations. It also discusses the need for mitigation and adaptation strategies in the face of the challenges posed by climate change and highlights the need for context-specific approaches. The review concludes with a call for further research into rainfall patterns, the duration of natural disasters and the specific impacts of climate change on crop yields and nutrition.
Analisis Efisiensi Kinerja Kolam Stabilisasi pada Instalasi Pengolahan Air Limbah Domestik Bojongsoang Kabupaten Bandung, Jawa Barat Fanny Novia; Erika Herliana; Jeni Saepurrohman
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Stabilisation ponds are a type of domestic wastewater treatment widely used in tropical and developing countries. One of the domestic wastewater treatment plants (IPAL) using a stabilisation pond is the Bojongsoang WWTP located in Bandung Regency, West Java. The stabilisation pond at Bojongsoang WWTP consists of 2 sets, each of which is a series of 3 anaerobic ponds, 2 facultative ponds and 1 maturation pond. This research aims to analyse the performance of the stabilisation pond at Bojongsoang WWTP in set A. The parameters to be analysed are Biochemical Oxygen Demand (BOD), Total Suspended Solids (TSS) and Ammonia. The data used are secondary data consisting of monthly domestic wastewater quality monitoring data from 2019-2022. The efficiency of BOD removal in 2019-2022 was 70.33%, 79.67%, 84.00 and 84.95%. The efficiency of TSS removal in 2019-2022 was 72.47%; 79.03%; 87.23%; and 79.05%. Meanwhile, the efficiency of ammonia removal in 2019-2022 was 67.95%; 81.71%; 80.06% and 64.53%. The best BOD and TSS removal occurred in anaerobic ponds, while the best ammonia removal occurred in maturation ponds.
Analisis Faktor Pengaruh dalam Keberlanjutan Pengelolaan Sampah di TPST Kota Bandung dengan Metode Structural Equation Modelling (SEM) Rizal Husni Nurulloh; I Made Wahyu Widyarsana
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Problems with infrastructure services such as waste management arise due to the rapid population growth and various other human activities. Based on SIPSN data, in 2022 managed waste reached 96.78% or 3% of waste ended up in the Sarimukti Landfill. The condition of Sarimukti Landfill which is already over capacity, will be closed in 2024. One of the efforts made by the Bandung City Government is to build Material Recovery Facility (MRF). In addition, the MRF development program was initiated by the Improvement of Solid Waste Management to Support Regional Areas and Metropolitan Cities (ISWMP). The purpose of this study is to determine the influential factors in waste management in the ISWMP program MRF (Cicukang Holis MRF) and non-program (Babakan Sari MRF). The focus of this research is the sustainability of the MRF program with the target respondents being the beneficiaries. Data were collected through observation, questionnaires, and interviews. This research analyzes 5 (five) aspects of waste management in settlements, namely technical operations, regulations, community participation, financing, and institutions. The method used is the SEM (Structural Equation Modeling) method to confirm the most influential factors in waste management in the MRF. The results showed that the most influential factor in waste management in MRF is the financing aspect.
Urban Slum Residential Areas: Policy Model for Domestic Wastewater Management (Case Study: Maleer Sub-district, Bandung City) Ken Aryu Ruska Yuniar; Ahmad Soleh Setiyawan
Jurnal Serambi Engineering Vol. 9 No. 4 (2024): Oktober 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

One of Bandung's residential slum areas, the Maleer sub-district, has been identified as a priority sanitation area, particularly in terms of wastewater management. In order to improve wastewater management in the slum area, technical and non-technical aspects are considered. This study aims to know the wastewater management policy factors that affect the sustainability of the wastewater management system and to propose a policy model in the slum area. A convenience sampling method was used to collect data from 99 respondents and 7 institutional respondents using a self-administered questionnaire. Partial least square structural equation modelling (PLS-SEM) was used to test the proposed model. The sanitation risk index value in a slum area of Maleer district was 283. Some factors affecting the sustainability of sanitation system arranged by value correlation were (0.325) for technical aspects, (0.283) for community participation, (0.272) for management institution and (0.174) for financial aspect, respectively. The existing policy model only included technical and financial factors, while community participation and management institution were not included in the existing policy. In developing a new model of slum sanitation to achieve sustainability, factors in the form of active community participation and presence of management institution need to be added.

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