Jurnal TELUK: Teknik Lingkungan UM Kendari

Perencanaan Drainase pada Kawasan Kumuh Kabupaten Kutai Barat, Kecamatan Barong Tongkok

2026-02-04T00:53:16+08:00

This study aims to design an effective drainage system to reduce waterlogging in the residential area of Barong Tongkok District, Kutai Barat Regency. The analysis combines rainfall data, land-use conditions, and physical characteristics of the study area. Design rainfall was calculated using the Log Pearson Type III distribution, rainfall intensity using the Mononobe method, and peak discharge using the Rational Method. The results show that the design flood discharge for a 10-year return period is 1.203 m³/s. Using Manning’s equation, a trapezoidal channel with a 0.65 m bottom width, 1.00 m depth, and 0.27 side slope has a flow capacity of 1.33 m³/s. This indicates that the planned drainage channel can accommodate the design discharge and is suitable for implementation in the study area. The proposed design is expected to improve drainage performance and reduce flood risks in Barong Tongkok District.

Perencanaan Bangunan Penangkap Air Baku Sistem Penyediaan Air Minum (SPAM)

2026-02-07T02:39:05+08:00

This study examines the planning of a raw water catchment structure for the drinking water supply system (SPAM) of IKK Abuki, Konawe Regency. The problem in this study is that the existing intake of SPAM IKK Abuki was damaged due to flooding and the existing system uses pumping which requires high operational costs, therefore it is necessary to plan a raw water catchment structure in another location that is more effective. The purpose of this study is to obtain raw water sources in other locations that meet the quality and quantity requirements and to obtain a design for a raw water catchment structure. The method used to determine the quality of raw water is by bringing raw water samples to the laboratory for testing while for water quantity using the floating object method and current meter tools, for the design of the raw water catchment using literature studies, field measurements and autocad software. The results of this study indicate that the quality of the raw water source in the Lambute River meets the requirements for raw water sources with the characteristics of odorless, tasteless, color 5 TCU, TDS 30 mg/L, turbidity 10.5 NTU, temperature 27°C, pH 8.39, DO 5.35 mg/L. Meanwhile, for the quantity, the water discharge results obtained using the floating object method were 89 L/sec. and the current meter method was 27 L/sec., for the clean water needs of Abuki District in the next 10 years it requires 25.60 L/sec. so that the Lambute River discharge is sufficient to be used as a raw water source. The design of the raw water catchment has dimensions of 1.5 m in length, 1.5 m in width, and 1 m in height.

Identifikasi dan Kesesuaian Pengelolaan Limbah Bahan Berbahaya dan Beracun (B3) di Perusahaan Pertambangan Nikel

2026-03-30T01:27:34+08:00

The development of industrial areas in Bahodopi District, Morowali Regency, has increased the potential for hazardous and toxic waste (B3) from the steel manufacturing industry. This study aims to identify the types and sources of B3 waste and analyze the compliance of its management system at PT. XYZ with Government Regulation Number 22 of 2021. The method used is quantitative descriptive research with a survey approach through observation, questionnaires, and documentation. The analysis then compares the actual conditions of B3 waste management, including sorting, storage, labeling, collection, and transportation, with applicable regulations. The results of the study indicate that PT. XYZ produces B3 waste from its production processes and operational activities, and its management is generally in accordance with regulations. However, improvements are still needed in terms of labeling, storage, and worker understanding to support more optimal and sustainable management.

Eliminasi Kandungan Timbal (Pb) Pada Air Laut Tercemar di Kota Kendari Menggunakan Kulit Pisang Kepok

2026-04-22T04:13:51+08:00

Heavy metal pollution, particularly lead (Pb), in the waters of Kendari Bay has become a serious environmental problem due to its toxic and bioaccumulative nature. This study aims to analyze the effectiveness of a bioadsorbent derived from banana peel waste in reducing Pb levels in seawater samples from Kendari Bay. The bioadsorbent was prepared through carbonization to remove moisture content and increase the surface area of the adsorbent. The adsorption process was carried out by mixing 60 grams of banana peel charcoal with 500 mL of seawater samples and allowing it to stand at three different contact times: 60 minutes, 90 minutes, and 120 minutes. Pb concentrations before and after treatment were analyzed using Atomic Absorption Spectrophotometry (AAS). The results showed that banana peel exhibited maximum adsorption capacity at a contact time of 120 minutes, with an effectiveness value of 64.95%. Banana peel charcoal contains cellulose with hydroxyl functional groups (-OH) that act as active sites for binding Pb ions. The longer contact time between adsorbent and adsorbate increases the amount of Pb ions adsorbed onto the surface until equilibrium is reached. Therefore, banana peel bioadsorbent has strong potential as an economical, environmentally friendly, and effective adsorbent for reducing lead levels in seawater from Kendari Bay. For future research, it is necessary to develop bioadsorbent activation methods, physical and chemical, in order to increase the surface area and the number of active sites, thereby enhancing the adsorption capacity for heavy metals.

Perancangan dan Pengujian Prototipe Alat Desalinasi Air Laut Berbasis Energi Surya untuk Produksi Air Tawar

2026-04-30T21:38:59+08:00

The developed desalination device prototype has the potential to serve as appropriate technology for clean water supply in coastal areas. However, further development is needed to improve the device’s efficiency and performance stability under various environmental conditions. This study aims to design and test the performance of a solar-powered seawater desalination prototype as a solution for clean water supply in coastal areas. The method used is an experimental approach through the stages of design, fabrication, and testing of the device under real-world environmental conditions. The desalination process is carried out through evaporation and condensation mechanisms using a solar still system. The results of the study indicate that the device is capable of producing freshwater with an efficiency influenced by the input water volume, temperature, and solar radiation intensity. The highest efficiency of 90% was achieved with an input volume of 4 liters under sunny weather conditions. The use of an aluminum reflector was proven to increase the system temperature to 84°C, thereby accelerating the evaporation process. Overall, the developed desalination device has the potential to serve as an appropriate technology in coastal areas.

Potensi Energi Pirolisis Sampah Plastik Polypropylene (PP), Polystyrene (PS), dan High-Density Polyethylene (HDPE) Berdasarkan Nilai Kalor

2026-04-30T21:40:27+08:00

Indonesia, as a country with a high population and rapid industrialization, produces a very large amount of plastic waste every year. The application of pyrolysis technology can be used as an alternative solution to convert plastic waste into an energy source in the form of pyrolysis oil. The study aims to analyze the energy potential of pyrolysis oil products from plastic waste types Polypropylene (PP), Polystyrene (PS), and High-Density Polyethylene (HDPE) based on their calorific value and evaluate the potential of oil to be used as an alternative fuel by comparing the calorific value with conventional fuels such as gasoline, diesel, and kerosene. The pyrolysis process was carried out on each type of plastic waste, and then the oil was tested for its Gross Calorific Value (GCV) using the Bomb Calorimeter method. The results showed that the pyrolysis oil from the three types of plastic waste had a high calorific value (GCV), 46.27 MJ/kg for PP, 44.27 MJ/kg for PS, and 45.16 MJ/kg for HDPE. All three types of plastic waste have great potential to be used as alternative fuels. The oil from the pyrolysis of PP plastic waste has the highest calorific value, so based on the calorific value, the pyrolysis oil from PP plastic waste has greater energy potential compared to PS and HDPE plastic waste.

Pemodelan Endapan Nikel Laterit Wilayah Kabupaten Luwu Timur

2026-05-18T04:25:41+08:00

This study examines the modeling of laterite nickel at the Research Site in East Luwu Regency. The initial stage of mining activities is to determine the volume of laterite nickel resources. The purpose of the study is to determine the amount of data from the geological modeling of laterite nickel deposits and then validate it, conduct modeling to determine the direction and distribution of laterite nickel deposits, and to determine the total volume of laterite nickel deposits at the research site. The method used is direct observation research, namely conducting direct field research to obtain primary data needed as research data and conducting quantitative research in the form of laterite nickel deposit volume. The results of the study indicate that the volume of laterite nickel deposits at the East Luwu Regency Research Site obtained a limonite volume of approximately 7,098,938 m³ and a saprolite volume of approximately 28,785,024 m³. Based on this, the research location requires further research, namely resource and reserve estimation in order to determine the economic value of a laterite nickel deposit.

Pengolahan Limbah Cair Tempe menggunakan Sistem Bertahap ABR-MFCs dan Aerasi

2026-05-13T07:46:44+08:00

Tempe industrial wastewater contains high organic matter, potentially polluting the environment if disposed of without adequate treatment. This study aims to analyze the effect of varying salt bridge types on the removal efficiency of Chemical Oxygen Demand (COD), Total Suspended Solid (TSS), and electrical energy production in a stepwise Anaerobic Baffled Reactor–Microbial Fuel Cells (ABR-MFCs) and aeration system. The study was conducted using a laboratory-scale ABR-MFCs reactor with tempe wastewater as the substrate. The salt bridge variations used were 1 M NaCl, 1 M KCl, and 1 M KNO₃. The treatment process was carried out for 120 hours in the ABR unit, followed by a 3-hour aeration process. The parameters tested included COD, TSS, pH, temperature, voltage, current, and electrical power density. The results showed that variations in salt bridges affected the efficiency of pollutant removal and electricity production. The KNO₃ salt bridge provided the best removal efficiency in the ABR unit with 96.38% COD removal and 72.73% TSS removal, as well as additional removal in the aeration unit of 40% for COD and 13.33% for TSS. Meanwhile, the KCl salt bridge produced the highest electrical performance with a voltage of 0.95 V, a current of 0.88 mA, and a power density of 167.2 mW/m². Based on the research results, the combination of the ABR-MFCs and aeration system has the potential to be an alternative technology for processing liquid waste in the tempeh industry that is effective and environmentally friendly while also being able to produce renewable electrical energy.

Estimasi Beban Emisi Kendaraan Bermotor dan Analisis Faktor Pengaruhnya di Lingkungan Kampus Politeknik Pertanian Negeri Samarinda

2026-05-12T06:43:22+08:00

The growth of motor vehicles, particularly motorcycles, significantly contributes to air pollution, including in campus environments with high mobility. This study aims to analyze the relationship between vehicle age and mileage on exhaust emissions and to estimate the emission load of motor vehicles in Politeknik Pertanian Negeri Samarinda. A quantitative approach was applied through direct measurement of exhaust emissions from 50 motorcycles using a gas analyzer, followed by correlation analysis and emission load estimation using the Tier 2 approach based on Vehicle Kilometer Traveled (VKT). The results indicate that vehicle age has a very weak correlation with HC (r = 0.11) and CO (r = 0.12), while mileage shows a stronger correlation with HC (r = 0.39) and CO (r = 0.31). The estimated emission load is 10.30 kg/day for CO and 4.35 kg/day for HC. Although the travel distance is relatively short, the high number of vehicles leads to a significant accumulation of emissions. These findings indicate that, at the campus scale, the number of vehicles and mobility intensity are the dominant factors influencing emission loads. Therefore, internal campus transportation management is necessary to reduce emissions.

Analisis Tingkat Partisipasi Masyarakat dalam Program Pemilahan Sampah

2026-05-31T01:15:08+08:00

This study analyzes the level of community participation in the waste segregation program at BTN Zam-Zam Residence, Watubangga Village, identifies the factors influencing participation, and examines residents’ perceptions of the program’s environmental impacts. A descriptive quantitative approach was employed, with data collected through questionnaires and field observations involving 15 respondents selected using a stratified random sampling technique. Data were analyzed using descriptive statistics to assess community knowledge, attitudes, participation levels, and supporting and inhibiting factors. The results indicate that community participation in the waste segregation program falls within the good category, with an average score of 4.05. Residents demonstrated a good level of knowledge regarding waste segregation, while environmental awareness and attitudes were also categorized as positive. The main factors supporting participation include adequate knowledge, environmental awareness, and social support within the community. Conversely, participation is constrained by limited waste management facilities and insufficient public outreach and education. Community perceptions of the waste segregation program were generally favorable, reflecting recognition of its benefits in improving environmental cleanliness and supporting sustainable waste management practices. The findings suggest that the community possesses a strong foundation of knowledge and positive attitudes toward waste segregation; however, greater efforts are needed to translate these into consistent practices. Improving infrastructure and conducting continuous awareness campaigns are essential to enhancing participation rates. Therefore, active collaboration between local government and community members is necessary to ensure the long-term effectiveness and sustainability of the waste segregation program.

Implementasi Pengendalian Risiko K3 Berbasis HAZOP Terhadap Lingkungan Kerja Pada Industri Kerupuk Tradisional

2026-05-31T01:27:19+08:00

The traditional cracker industry is a small business that still relies on manual production processes. This condition causes workers to face various potential hazards that can affect the safety, health, and comfort of the work environment. This study aims to implement Occupational Safety and Health (K3) risk control based on the Hazard and Operability Study (HAZOP) method in the traditional cracker industry. The study was conducted at UD Mamak Kito, Tuah Madani District, Pekanbaru City, from May to June 2026. This study is a continuation of previous research, by utilizing initial data from hazard identification as a basis for formulating risk control measures. The method used is descriptive quantitative through field observations, interviews, identification of production flows, preparation of HAZOP worksheets, assessment of likelihood and consequences, and classification of risk levels using a risk matrix. The results of previous studies indicate that there are 22 potential risks in the skin cracker production process, consisting of 10 high risks, 6 medium risks, and 6 low risks. The most dominant risks are related to non-ergonomic work postures, heat exposure, hot oil splashes, slippery floors, the use of sharp tools, and low worker compliance in using personal protective equipment. Control implementation is carried out through adjusting work positions, providing rest breaks, using PPE, improving floor cleanliness, regulating air circulation, and educating workers about healthy and safe work behaviors. The results of this study indicate that the HAZOP method can be used as a systematic approach in identifying sources of hazards and can be the basis for implementing simple, targeted, and appropriate K3 risk control for small businesses.

Analisis Pembangunan Infrastruktur pada Kawasan Perumahan dengan Pendekatan Arsitektur Berkelanjutan

2026-06-12T12:46:18+08:00

Housing is a group of houses that function as a residential or residential environment. In general, housing and settlements often have many problems. The purpose of this study is to determine the condition of facilities and infrastructure and environmental utilities in the Boulevard housing complex, Kambu District, Mokoau Village, Kendari City. This study uses the Field Research method, by conducting observations and documentation as well as conducting interviews in order to find detailed and detailed data in the field by observing from the smallest phenomena that become a reference for problem points, to observing the largest phenomena and trying to find solutions to these problems. The results of this study reveal facts related to problems with facilities and infrastructure and environmental utilities in the Boulevard Housing Complex, Kambu District, Mokoau Village, Kendari City, which are then analyzed and designed to create a comfortable, orderly and independent environment in accordance with the concept of sustainable architecture.

Pemanfaatan Limbah Organik Pasar untuk Produksi Pupuk Organik Cair sebagai Alternatif Pengelolaan Sampah Berkelanjutan

2026-06-05T06:16:41+08:00

The increasing generation of organic waste from traditional markets remains a major challenge in sustainable urban waste management. This study aimed to evaluate the quality of liquid organic fertilizer (LOF) produced from organic waste collected from Karang Jasi Traditional Market using Effective Microorganisms 4 (EM4) as a biological fermentation agent for circular economy-based waste management. A descriptive-comparative experimental method was employed using EM4 concentrations of 0% (P0), 5% (P1), 10% (P2), and 15% (P3). The fermentation process was conducted for 14 days, and the resulting liquid organic fertilizer was evaluated based on physical, chemical, microbiological, and heavy metal parameters according to the Indonesian Ministry of Agriculture Regulation No. 261/KPTS/SR.310/M/4/2019. The results indicated that variations in EM4 concentration affected the quality of the liquid organic fertilizer, particularly in total nitrogen, C/N ratio, and fermentation stability. The 10% EM4 concentration represented the optimum fermentation condition, resulting in more stable fertilizer characteristics compared to the other treatments. Parameters including pH, Pb content, total nitrogen, and C/N ratio met or approached the required quality standards, whereas C-organic content, Fe, and Escherichia coli still require further optimization to comply with national quality standards. This study contributes to the development of liquid organic fertilizer production from traditional market organic waste through a comprehensive quality evaluation based on national standards. These findings highlight the potential utilization of traditional market organic waste as a sustainable and value-added source-based waste management strategy to support circular economy implementation in urban areas.

Pemanfaatan Sekam Padi dan Eceng Gondok dalam Memperbaiki Mutu Minyak Jelantah Menggunakan Metode Adsorpsi

2026-05-31T01:25:34+08:00

Used cooking oil undergoes a decline in quality due to oxidation and hydrolysis reactions, characterized by an increase in the peroxide value and free fatty acid content. These reactions are triggered by repeated heating at high temperatures (175–180°C), contact with oxygen, and the presence of water from food ingredients during the frying process. This study aims to analyze the effect of the ratio of water hyacinth (Eichhornia crassipes) and rice husk (Oryza sativa L) as adsorbents on the purification of used cooking oil using the adsorption method. The ratio of water hyacinth to rice husk was varied to 100:0, 75:25, 50:50, 25:75, and 0:100, with a used cooking oil volume of 50 mL, an adsorbent dose of 15% (w/v), and a contact time of 120 minutes for each treatment. Water hyacinth was prepared through chemical activation using NaOH, while rice husks were carbonized at 300°C for 2 hours and activated using 10% NaCl. The peroxide value was analyzed using iodometric titration, while free fatty acids were analyzed using alkalimetric titration in accordance with SNI 3741:2013. The results of the study indicate that the ratio of 50:50 provides the most optimal adsorption efficiency, with a reduction in the peroxide value from 18.50 to 5.20 meq O₂/kg and free fatty acids from 1.20% to 0.24%, as well as efficiencies of 71.89% and 80.00%, respectively. The reduction in these parameters was influenced by the interaction between impurities in used cooking oil and the hydroxyl groups on water hyacinth lignocellulose, as well as the silanol groups and pores of rice husk charcoal.

Analisis Temporal Kualitas Udara dan Variasi Suhu di Kota Palembang Berdasarkan Data IQAir

2026-06-09T01:32:13+08:00

Palembang is one of Indonesia’s major cities, characterized by high levels of transportation, trade, and development activity. The intensity of these activities can affect urban environmental conditions, including air quality and fluctuations in temperature over time. This study aims to analyze the temporal changes in air quality and temperature variations in Palembang City during the period of May 1–14, 2026, and to examine the relationship between the two variables. The data used consist of the Air Quality Index (AQI) obtained from IQAir and air temperature data from BMKG. The research method employed is a descriptive quantitative approach with statistical analysis, including descriptive analysis, time series graphs, Pearson correlation, simple linear regression, and t-test. The results show that the AQI values fall within the moderate category, ranging from 52 to 88, while the air temperature ranges from 26.8°C to 29.2°C and tends to be relatively stable. The correlation analysis indicates a negative relationship between temperature and AQI with a coefficient of -0.401, meaning that an increase in temperature tends to be followed by a decrease in AQI values. However, this relationship is not statistically significant (p > 0.05). The linear regression results also show that temperature does not have a significant effect on air quality. Thus, it can be concluded that changes in air quality in Palembang City are not solely influenced by air temperature, but also by other factors such as transportation activities, vehicle emissions, and other meteorological conditions.

Analisis Bibliometrik Kompetensi Insinyur Teknik Lingkungan Keahlian Pengelolaan Limbah Padat

2026-06-20T06:10:10+08:00

Research on environmental engineering competencies in solid waste management remains fragmented and primarily focused on technical aspects. This study maps the evolution of this field using a quantitative bibliometric approach. Bibliographic data were retrieved from Google Scholar via Publish or Perish (PoP) using the query "engineering competency" AND "waste management" and covering the period 2016–2026. After screening, 200 articles were retained in the final dataset. The data were analyzed using VOSviewer 1.6.20 through keyword co-occurrence network analysis. The findings reveal a global research convergence around sustainability, waste management, and engineering education, with an increasing focus on Industry 4.0 technologies and the circular economy. The results suggest a shift in engineering competency frameworks from conventional technical skills toward multidisciplinary expertise grounded in green skills and systems thinking to support sustainable development.

Analisis Dispersi Gas Hidrogen Sulfida (H2S) dan Amonia (NH3) di Udara Ambien menggunakan AERMOD

2026-06-03T13:40:00+08:00

The Griyo Mulyo Jabon Landfill (TPA) in Sidoarjo has the potential to emit hydrogen sulfide (H₂S) and ammonia (NH₃) gases due to the anaerobic decomposition of organic waste. The release of these gases may contribute to ambient air quality deterioration, unpleasant odors, and reduced environmental comfort for surrounding communities. Furthermore, meteorological conditions significantly influence the transport and dispersion behavior of landfill gas emissions in the atmosphere. This study aimed to determine H₂S and NH₃ concentrations in ambient air, assess their compliance with applicable air quality standards, and evaluate the dispersion patterns of these gases around the Griyo Mulyo Jabon Landfill using atmospheric dispersion modelling. A quantitative approach was applied using the Gaussian dispersion model AERMOD. Ambient air sampling was conducted at four monitoring locations, including two points within the landfill area and two points outside the landfill boundary. Hydrogen sulfide (H₂S) concentrations were measured according to SNI 8605:2018, while ammonia (NH₃) concentrations were analyzed based on SNI 19-7117.6-2005 using the impinger method. Meteorological parameters, including wind direction, wind speed, air temperature, and humidity, were incorporated as model inputs. Model performance was evaluated using the Mean Absolute Percentage Error (MAPE) and Index of Agreement (IOA). The results showed that H₂S concentrations in the old and new landfill zones were 0.03 ppm, while NH₃ concentrations were 2.10 ppm and 2.27 ppm, respectively. The highest concentrations occurred in the active waste disposal area. The dispersion simulation demonstrated that gas movement followed the dominant east-southeast wind direction, with concentrations decreasing as the distance from the emission source increased. The low MAPE values (0.4% for H₂S and 0.3% for NH₃) indicated excellent model accuracy in representing field conditions.