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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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Pemanfaatan Ranting Pruning Jati dan Serasah Daun Area Reklamasi PT Semen Indonesia (Persero) Tbk Pabrik Tuban Sebagai Bahan Bakar Alternatif Berkelanjutan Setyo Budi, Agus; Hajar Hantoro, Arthur; Tarigan, Agrifa; Hermawanto, Moch. Khalik
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The cement industry is one of the sectors with high energy intensity and a significant contributor to greenhouse gas emissions. This study aims to evaluate the utilization of biomass waste in the form of teak pruning twigs and leaf litter from the post-mining reclamation area of PT Semen Indonesia (Persero) Tbk Tuban Plant as a sustainable alternative fuel. The methods used include the collection, natural drying, and shredding of biomass to a size of less than 2 cm, which is then used as a partial substitute for coal in the kiln combustion process. The results show that this innovation successfully reduced heat energy consumption by 1008 GJ, saved operational costs of IDR 32,800,913, and reduced carbon emissions by approximately CO2 96.728 tons of CO2 from January 2024 to June 2025. This program not only improved energy efficiency and environmental performance but also transformed the value chain into a more collaborative and sustainable one, supporting the principles of the circular economy.
Efektivitas Biofilter dengan Media Papan Pakis dan Sistem Aerasi Intermittent dalam Mengurangi COD dan NH3-N pada Limbah Cair Rumah Potong Ayam Flaherti Maharani; Raden Kokoh Haryo Putro; Praditya Sigit Ardisty Sitogasa
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Wastewater generated from poultry slaughterhouses generally contains high levels of organic matter and ammonia, which can contaminate aquatic environments if not properly treated. The high organic content contributes to elevated COD levels, while ammonia can be toxic to aquatic organisms. This study was conducted to evaluate the performance of a biofilter system with intermittent aeration (anoxic–oxic combination) using tree fern board and bioring media in reducing COD and NH₃-N concentrations. The tested aeration durations included 3 hours (1 hour anoxic, 2 hours oxic), 6 hours (2 hours anoxic, 4 hours oxic), 9 hours (3 hours anoxic, 6 hours oxic), and 12 hours (4 hours anoxic, 8 hours oxic). The experimental results showed that the bioring medium exhibited better performance than the tree fern board, with the optimum condition achieved at a 12-hour hydraulic retention time, resulting in COD and NH₃-N reductions of 93.41% and 88.21%, respectively. Overall, the findings indicate that a bioring-based biofilter with intermittent aeration has strong potential as an effective and environmentally friendly alternative technology for treating poultry slaughterhouse wastewater.
Penambahan Magnesium Oksida (MgO) Terhadap Sifat Sintesis Hidroksiapatit Berpori Putra, Firmansyah Sophian
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Hydroxyapatite (HAp) is a bioceramic material widely used in the medical field, especially as a bone filler for bone tissue regeneration. However, pure HAp has low mechanical strength so that material modification is required. This study aims to examine the effect of the addition of Magnesium Oxide (MgO) and Polyvinyl Alcohol (PVA) on the morphological characteristics, functional groups, pore size, porosity, and Ca/P content of porous hydroxyapatite synthesized by the precipitation method. Variations in the weight percentage of MgO (14–18% wt) and the ratio of distilled water and Polyvinyl Alcohol (PVA) solution (20–60%) were used in the preparation of porous hydroxyapatite. Characterization includes spectrophotometric tests to analyze Ca/P content, morphological tests using SEM, functional group analysis using FTIR, and surface area analysis using BET. Based on the results of the test analysis that has been carried out, it is known that the porous hydroxyapatite sample with a variation of 1,8% MgO addition and 40% PVA ratio has a Ca/P value of 1,67 and has good characteristics for biomaterial applications with a granular morphological structure surface area of ​​7.3849 m2/g with an average pore size of 2.0274 nm, and is not toxic to health.
Penerapan Lubang Resapan Biopori Dalam Meningkatkan Laju Infiltrasi di Desa Sungai Langka Nadia Dhannov; Irhamni; Fajriharish Nur Awan; Mutiara Fajar; Nabila Putriyandri Alifa; Yuni Lisafitri; Sillak Hasiany
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Sungai Langka Village area lacks drainage and has elevated roads, causing water to run off during rainfall and onto the roads and into people's yards. In these conditions, efforts will be made to utilise water runoff as an alternative water source. This study aims to determine the effect of infiltration in the application of biopori infiltration pit technology. This research was conducted using a quantitative approach. The data were processed using the Horton method and analysed descriptively. Infiltration data was collected in situ in the field. The data compared the infiltration rate before and after the application of biopori infiltration pits. The results showed that the infiltration rate was constant at 46 cm/hour, 44 cm/hour, 32 cm/hour, 36 cm/hour and 32 cm/hour before the application of biopori infiltration pits. Meanwhile, the infiltration rates after the application of biopore infiltration pits were 110 cm/hour, 78 cm/hour, 70 cm/hour, 104 cm/hour and 138 cm/hour. The aim of the study was to determine how increasing infiltration rates can reduce water runoff and increase groundwater reserves.
Evaluasi Sistem Drainase Kelurahan Sudajaya Hilir, Kecamatan Baros, Kota Sukabumi Eka Wardhani; Bagya Trirahmani, Anggia
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Sudajaya Hilir Village, Baros District, Sukabumi City, is one of the areas prone to flooding due to drainage capacity and land use changes. This study aims to evaluate the condition of existing channels and analyze their capacity using the EPA Storm Water Management Model (SWMM). The data used includes field surveys on the dimensions and condition of the channels, historical rainfall data, and drainage planning documents from the Sukabumi City Public Works and Spatial Planning Agency. The evaluation results show that the dimensions of the existing channels are not in accordance with the plan. The SWMM simulation identified points 1 to 5 along Jalan Lingkar Selatan. The difference in size between points 1 and 5 ranged from 0.05 to 0.20 meters. The SWMM simulation identified points 4 and 5 as having low elevations. Based on the simulation results, recalculations were performed to reduce the potential for flooding in the area. The recommended measure is to increase the width of the drainage channel at points 1 to the outfall by 0.1 to 0.4 meters. In addition, the construction of a retention pond at locations with lower elevations is also recommended to accommodate excess water discharge. With a combination of channel dimension improvements and the provision of retention ponds, the capacity of the drainage system is expected to increase, thereby reducing the risk of flooding more effectively.
Pengaruh Penambahan Pasir Pada Metode Aerasi Tanah Dalam Stabilisasi Timbal (Pb) Faiq Pandu Mahajana; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Soil contamination by heavy metals, particularly lead (Pb), is a serious environmental issue in Indonesia, as it affects human health, ecosystems, and land productivity. Pb can accumulate in plants and enter the food chain, increasing public health risks. Therefore, an effective, low-cost, and field-applicable remediation method is required. One potential approach is aeration, which involves oxygen addition to improve soil porosity and enhance heavy metal stabilization. However, the effectiveness of aeration is strongly influenced by soil physical properties; hence, this study focuses on the effect of soil–sand composition on Pb stabilization in Inceptisol soil. The research was conducted using a laboratory-scale batch reactor with Inceptisol soil contaminated by Pb(NO₃)₂ (300 mg/kg). Treatments included three soil–sand ratios (100:0, 70:30, and 60:40) and three aeration durations (non-aerated, 12 hours, and 24 hours). Parameters analyzed were residual Pb²⁺ concentration and soil physical characteristics, with data processed using two-way ANOVA. Results showed that sand addition improved aeration effectiveness, achieving the highest Pb removal (94,6%; final Pb 17,1 mg/kg) at 60:40 composition with 24-hour aeration. In contrast, pure soil without aeration showed the lowest effectiveness (76,1%). Statistical tests confirmed that media composition, aeration duration, and their interaction significantly affected Pb stabilization (p < 0,05). This study demonstrates that combining aeration with sand addition offers a simple and practical method for remediating Pb-contaminated Inceptisol soil.
Pengaruh pH Tanah Terhadap Metode Aerasi Dalam Stabilisasi Logam Berat Timbal (Pb2+) Moch Shafansyah Yumna Argia; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

This study examines the effect of soil pH variation on the effectiveness of the aeration method in stabilizing the heavy metal lead (Pb2+). Lead contamination from industrial waste and fossil fuels is a serious environmental problem as it is carcinogenic and can pollute ecosystems, including plants, posing a health risk to humans. Soil remediation is needed to address this issue, and soil aeration is one promising method. However, the effectiveness of aeration is highly influenced by soil environmental conditions, particularly pH, as low pH makes heavy metals easily soluble and mobile. This quantitative experimental study used 3 reactors with variations in pH treatment (acidic pH 4, neutral pH 6.5, and alkaline pH 10) and aeration duration (6 hours/day). Samples were analyzed using Atomic Absorption Spectrophotometry (AAS) to measure the remaining lead concentration, and the stabilization efficiency was calculated from the difference in concentration before and after treatment. The results showed that the alkaline pH treatment (pH 10) consistently provided the highest lead reduction efficiency, reaching 78.7% at a 24-hour aeration duration. Increasing the pH caused the Pb2+ ions to precipitate into insoluble and less toxic compounds. Statistical analysis using ANOVA confirmed that pH and aeration duration had a significant effect on the efficiency of lead (Pb2+) reduction.
Pemanfaatan Limbah Tambak Garam Sebagai Koagulan Bittern Untuk Menurunkan Parameter Kekeruhan Pada Limbah Tahu Pedro Caesariano; Muhammad Abdus Salam Jawwad
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The tofu industry produces wastewater with high turbidity, requiring treatment before being discharged into the environment. This study aims to utilize bittern, a byproduct of salt pond production, as an environmentally friendly alternative coagulant to reduce turbidity in tofu wastewater. Bittern was activated using three types of strong bases Ca(OH)₂, KOH, and NaOH with dosage variations of 40,50,60 mL and concentrations of 4%,6%,8%. The results showed that all activators enhanced the coagulation performance of bittern, with varying effectiveness under each treatment. NaOH provided the best result at a dosage of 50 mL and a concentration of 4%, achieving a turbidity removal efficiency of 95%. KOH reached optimal performance at 50 mL and 6%, with a turbidity removal efficiency of 93%, while Ca(OH)₂ achieved 85% efficiency at 50 mL and 6%. Overall, this study demonstrates that NaOH-activated bittern is an effective alternative coagulant with potential for sustainable application in tofu wastewater treatment.
The Impact of Rainfall Fluctuations on the Trophic of Maninjau Lake Based on the Carlson Index and The Comprehensive Index (CTSI) Arlina, Lia; Komala, Puti Sri; Silvia, Shinta
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Maninjau Lake is experiencing increased eutrophication levels, negatively impacting water quality and the balance of its aquatic ecosystems. One of the factors that is thought to play a role in accelerating the process is rainfall fluctuation, which affects nutrient input from the water catchment area. This study aims to analyze the effect of rainfall fluctuation on the trophic status of Maninjau Lake using the Carlson Trophic State Index (TSI) and Comprehensive Trophic State Index (CTSI) methods. Water sampling was conducted at 10 stations over three periods: September 2022, January 2023, and March 2023, which represented seasonal variations. The parameters measured included chlorophyll-a, total phosphorus (TP), total nitrogen (TN), chemical oxygen demand (COD), and Secchi depth according to national standards. Rainfall data were obtained from BMKG stations and correlated with trophic index values. Results showed TSI values ranged from 55–72 and CTSI between 60–75, indicating eutrophic to hypereutrophic conditions. The highest trophic status occurred in periods of high rainfall, with a strong positive correlation between rainfall intensity and nutrient increase (r = 0.999 for TSI; r = 0.989 for CTSI). Rainfall plays a role as the main hydrometeorological driver of trophic dynamics, so adaptive management is needed to mitigate the impact of eutrophication under climate variability.
Analisis Kinerja Membran PVC-TiO2 dengan Variasi Waktu dan Tekanan Operasi dalam Mereduksi TDS, Kekeruhan, dan Total Coliform pada Sungai Jagir Adjani, Della Putri; Restu Hikmah Ayu Murti
Jurnal Serambi Engineering Vol. 10 No. 4 (2025): Oktober 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The Jagir River has experienced a decline in water quality due to domestic and industrial activities, with pollutant parameters such as TDS, turbidity, and total coliform exceeding the quality standards. This study aims to analyze the effect of operating time and pressure variations of PVC- TiO2 ultrafiltration membranes on the removal capability of TDS, turbidity, and total coliform parameters as well as the flux rate of the membrane. The addition of TiO2 aims to increase the flux rate of the UF membrane. This research method involves adsorption pre-treatment using granular activated carbon (GAC) before the ultrafiltration process with varying pressures (1; 1.5; 2 bar) and operating time (15 – 75 minutes). The results showed that adsorption pre-treatment was able to reduce turbidity (95.45%), total coliform (59.93%), and TDS (18.89%). The combination of 2 bar pressure with an operating duration of 75 minutes resulted in the highest removal efficiency for all three parameters, namely total coliform (100%), turbidity (96.90%), and TDS (18.84%). TiO2 coating increases the membrane flux rate at the start of operation, especially at high pressures, but over time it decreases drastically due to fouling.

Page 84 of 97 | Total Record : 964

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