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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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Pengaruh Penambahan Essential Oil Tumbuhan Cananga odorata sebagai Bahan Anestesi pada Transportasi Sistem Tertutup Benih Ikan Bileh (Rasbora sp.) Fitria Rahmayanti; Agusriati Muliyana; M. Barru Airil Fizra Hasibuan; Mahendra; Munandar; Irhami S
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The bileh fish (Rasbora sp.) is one of the freshwater fish of economic value in West Aceh and Nagan Raya districts. Domestication efforts are being intensively carried out in a controlled environment so that bileh fish can be cultivated. Bileh fish require proper handling during seed transport as they are susceptible to stress and death during transport. One attempt to solve this problem is the addition of local plant essential oils in packaging media. This study aims to determine the effect of Cananga odorata plant essential oil added as an anaesthetic in the transport of bileh fish seeds on induction time, recovery and survival rate. The treatment in this research was the use of Cananga odorata flower essential oil at concentrations of 0.5 ppm (A), 1 ppm (B), 1.5 ppm (C) and 2 ppm (D). The test fish were observed and the time of induction, recovery and survival were calculated. The results showed that the essential oil of Cananga ordorata plant can be used as an anaesthetic agent in the transport of bileh fish seeds with the best concentration, namely 1 ppm (treatment B) with a survival rate after transport were 90.67% and after cultivation after transport were 81.33%. Fish reached induction time in less than 10 minutes except in treatment A (0.5 ppm) and fish recovery time in less than 8 minutes.
Analisis Beban Kerja dengan Metode Work Sampling Pada Pegawai Bidang Akademik (Studi Kasus: Fakultas Teknik di Perguruan Tinggi X) Hery Murnawan; Febrian Puji Lestari
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Workload is a measure of each individual's performance of their duties and authority according to the SOP, within the specified working hours, and the results must meet the target. Workload can refer to the level of productivity and performance of employees in an organisation. The Faculty Unit at College X is one of the work units under the auspices of the Rector of the College. This research uses the observation method as a data collection technique and the work sampling method as a data analysis method. The results of the research show that the educational staff with the position of administrative implementer of the 1st civil engineering study programme have the highest workload with 86.6%, and the lowest workload belongs to the administrative implementer of the 1st civil engineering study programme with 58.1%. The average standard time needed to complete an activity is 22.9 minutes, so it is recommended to have an even distribution of workload.
Analisis Sistem Pemberian Gaji Berdasarkan Persentase Produktivitas dan Hasil Analisis Beban Kerja Pada Pegawai Jurusan Hery Murnawan; Sasongko Aji Wibowo; Febrian Puji Lestari
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Salaries and productivity have an important role in determining the quality of the workforce in an agency. Salary payments can also affect level of work productivity and workload borne. Focus is calculating thesignificant level, effective level, and optimization of the salary system in the Faculty of Engineering. This research aims to analyze the optimal and effective payroll system in the Faculty of Engineering by referring to the level of performance staff. Method is a quantitative method and applies descriptive quantitative research. Stages in data analysis are reducing data, presenting data, descriptive statistical, validity, reliability, spearman rank correlation analysis, calculating the coefficient of determination, and concludingthe results of the data that has been processed. Results can be stated that compensation and incentives have been carried out quite well. It can also be seen in the results of the empirical average, namely 67.16. There is a relationship between the influence of compensation and incentives and positive performance levels which are classified as quite strong. Meanwhile, the results of the Spearman rank correlation analysis are 0.445. This statement of results shows that level performance at Faculty of Engineering has a fairly strong relationship, namely where compensation and incentives influence work specifications.
Evaluasi dan Optimalisasi Kinerja Unit Accelerator Pada IPAM Ngagel II Kota Surabaya Fadhilah Labibah Nurjanah; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

IPAM Ngagel is one of the drinking water purification plants (IPAM) owned by PDAM Surya Sembada Surabaya City as a provider of clean water needs for the people of Surabaya City. In order to meet the demand for clean water, the raw water used in the Ngagel Water Treatment Plant has to pass through several treatment units. However, there are several obstacles that result in the treatment unit not operating optimally. Therefore, this research aims to evaluate and compare the performance of one of the treatment units, the accelerator unit. This research method includes field studies, literature studies, data analysis and interviews using data in the form of inlet and outlet water quality of the accelerator unit and the use of coagulant doses for 20 days. The results obtained for the percentage removal in accelerator 1 are turbidity 90.32%, organic compounds 18.76%, ammonia 46.04% and nitrite -2.40%. While the percentage removal in accelerator no. 3 is 84.23% turbidity, 15.75% organic compounds, 25.68% ammonia and -19.48% nitrite. Based on the evaluation results, the removal efficiency in accelerator number 1 is better than that in accelerator number 3. This is because the operations in the accelerator unit, particularly the use of coagulant doses, are not in accordance with what is required, and this affects the difference in the performance of the accelerator unit.
Perancangan Tata Letak Fasilitas dan Tata Letak Produk di Gudang Marketplace Perusahaan Bloods Industries Yohanes Arifin; Anggoro Prasetyo Utomo
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Bloods Industries is a company engaged in the production and distribution of ready-made clothing in Bandung. The clothing is distributed from warehouses located in the city. These warehouses include an offline store warehouse and a marketplace warehouse. Observations of the marketplace warehouse revealed a lack of order in product placement, with many items lying on the floor. This study aims to design the layout of the facilities and product placement in the marketplace warehouse to minimise the distance travelled to place and retrieve products. The design process uses the Activity Relationship Chart (ARC) method to understand the relationships between facilities, the Total Closeness Rating (TCR) method to identify priority facilities, the ABC classification method with a popularity principle to determine frequently rotated products, and the Dedicated Storage, Class Based Storage method to place products in fixed positions due to the availability of many facilities. The redesign results in a new layout for both facilities and product placement, significantly reducing travel distances. The initial travel distance before the redesign was 441.9 m over an area of 13.9 m x 7.1 m. And the new travel distance is 176.83m in an area of 10.2m x 12.1m.
Perencanaan Bangunan Instalasi Pengolahan Air Limbah Komunal Industri Tahu di Kabupaten Jombang Aisyah Nadia; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Tofu is a food product made from soya beans and is a widely used cottage industry in Jombang district. Many people engage in this business because the production process is relatively simple and does not require complicated equipment. Tofu is also a product with fairly stable demand in local and regional markets, making it an attractive business option for small and medium enterprises (MSMEs). Due to cost constraints, some industries do not have wastewater treatment. Waste from production is discharged directly into watercourses, leading to degradation of the surrounding environment. This research aims to design the wastewater treatment plant (WWTP) in Jombang. A total of 600 m3 / day of wastewater is discharged from 70 tofu industries. Based on the wastewater discharge, a water treatment system is planned in the form of an equalisation tank (27.386 x 9.1287 x 2 m), settling tank (32.533 x 38.73 x 2 m), anaerobic baffle reactor with a total of 6 compartments (103.28 x 38.7 x 2 m), aeration (37.879 x 11 x 1.8 m), and finally wetland (103.36 x 38.7 x 2 m). The area required is 5926.667 m2.
Potensi dan Efektivitas Limbah Cair Industri Tahu Sebagai Pupuk Organik Cair Terhadap Pertumbuhan Cabai dan Tomat Shinta Ajeng Salyndri Hifdzul Aqlys; Okik Hendriyanto Cahyonugroho
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Most of the tofu industries in Jombang dump their waste directly into the river. This causes discolourationof the river and unpleasant odours. High organic content in the water can reduce dissolved oxygen (DO)levels and increase pollutant parameters that can harm the environment. Waste recycling can be a way toreduce pollution. With a high organic content, tofu liquid waste has great potential as a fertiliser. Theaddition of EM4 bioactivator in the production of fertiliser can help the fermentation process with the aimof improving the quality of soil structure. This study aims to determine the potential and effectiveness ofliquid organic fertilizer produced from tofu liquid waste. The research method used was a field experimentwith a quantitative approach. The experiment starts with the production of liquid organic fertilizer fromtofu liquid waste, which is then applied to chilli (Capsicum frutescens L) and tomato (Solanumlycopersicum L) plants, and there is a control (no treatment or fertilizer) for comparison. The observationresults show that the liquid organic fertilizer (POC) from tofu liquid waste is very influential on the growthof chilli and tomato, especially in the vegetative period.
Treating Waste with Waste : Utilization of Iron Powder for the Reduction of Chromium (Cr6+) in Metal Plating Industry Liquid Waste Sunardi
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Metal plating industry waste is the main source of environmental pollution due to heavy metal chromium(Cr6+). The method commonly used in processing chromium metal waste (Cr6+) in industry is by means ofreduction and coagulation. Chromium metal (Cr6+) is highly toxic because it is highly unstable comparedto chromium (Cr3+). Therefore, chromium waste (Cr6+) must be reduced to chromium (Cr3+) before beingdischarged into the environment. The purpose of the study is to reduce the content of chromium ions (Cr6+)in liquid waste of the metal coating industry by the reduction and coagulation process using waste ironpowder and calcium hydroxide. Liquid chromium waste (Cr6+) and iron powder waste are taken from the metal coating industry in Palur Karanganyar, Central Java. Iron waste is in the form of powder that comesfrom the sanding process that is no longer used. The parameters studied were the weight of iron powder, the addition of H2SO4 2N, and the reduction time. The measurement of chrom ion levels (Cr6+) in all treatments was determined by UV-Vis Spectroscopy. The results of the study showed that the chromium level (Cr 6+) of liquid waste of the metal coating industry was 749 mg/L. Theoptimum condition for reducing chromium (Cr6+) is to use 3 gr iron powder, 10 ml of H2SO4 2N, and a reduction time of 7 minutes there is a decrease in chromium (Cr6+) levels by 100% with a chromium level (Cr6+) of 0 mg/L. This result meets the Regional Regulation of Central Java Province Number 5 of 2012 concerning Liquid Wastewater Quality Standards for the Metal Plating Industry which requires a maximum chromium level (Cr6+) of 0.1 mg/L.
Analisis Pengaruh Volume Kendaraan Terhadap Kualitas Udara di Jalan Pamularsih Semarang Kamal Rijal Sadewo; Lintang Jata Angghita; R. Clarrino Adesetya
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Pamularsih Street is an alternative road that people use to get to the centre of Semarang City. Pamularsih Street, section KLB 1 - KLB 1+200, is the centre of community activities such as offices, education, commercial and residential areas. Community activities on the highway have the potential to cause air pollution. This research aims to find out whether the volume of vehicles can affect the air quality on Pamularsih Street. The purposive sampling method was used to determine the data collection point, namely the middle of the section KLB 1 - KLB 1+200. Data collection was carried out for 3 days (Monday, Saturday, Sunday). The collection times were morning, afternoon and evening. Quantitative methods are used in data processing with 2 analysis models. The analysis is in the form of anova and linear regression. The results of the research on Pamularsih Street show that the volume of vehicles or the degree of saturation has a correlation and influence on the ambient air quality with a positive correlation between the variables. Apart from this, it can be seen from this research that the air index of Jalan Pamularsih is classified as unhealthy to very unhealthy.
Perencanaan Pour and Flush Toilet di Kampung Cikoneng Babakan Desa Cibiru Wetan Kabupaten Bandung Dzakiyyah Afifah Aurora; Muhamad Fahmi Farrij; Nissa Syakira Putri W.; Jeremy S. Zebua; Mila Dirgawati; Annisa Ulfa Zakiyyah
Jurnal Serambi Engineering Vol. 9 No. 3 (2024): Juli 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The problem of open defecation (BABS) and the lack of proper toilet infrastructure for the residents of Cikoneng Village, RT 2, Bandung Regency can have a negative impact, especially on the health aspect. The economic situation and lack of public awareness of cleanliness are factors that lead to many latrines being covered only by tarpaulins with bamboo/wooden walls. The communal latrines previously available in Cikoneng village were even less effective due to their non-strategic location and water quantity problems. The purpose of this research is to plan the construction of a Pour and Flush Toilet (PFT) in RT 02 by conducting observations, questionnaires and analysis of technical and non-technical aspects to achieve good sanitation. The results of the research show that 100% of the residents of Kampung Cikoneng RT 2 are aware of the importance of PFT and are willing to participate in the construction, which consists of 4 toilet units and a septic tank with a length of 8.5 m, width of 9 m and depth/height of 8.5 m.

Page 23 of 97 | Total Record : 964

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