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Department of Environmental Engineering Faculty of Landscape Architecture and Environmental Technology Universitas Trisakti, Jakarta Gedung K, Kampus A Jl. Kyai Tapa Grogol Jakarta 11440, Indonesia
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INDONESIA
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY
Published by Universitas Trisakti
ISSN : 25799150     EISSN : 25799207     DOI : https://dx.doi.org/10.25105
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Energy Environmental Science
The scope of the journal emphasis not limited to urban environmental management and environmental technology for case study in Indonesia and for other region in the world as well. Urban Environmental Management: environmental modeling, cleaner production, waste minimization and management, energy management and policies, water resources management, water supply and sanitation, industrial safety and health, water recovery and management, urban environmental pollution-diseases and health status, eco-drainage, flood risk management, risk mitigation, climate change and water resource adaptation. Environmental Technology: energy efficiency, renewable energy technologies (bio-energy), environmental biotechnology, pollution control technologies (wastewater treatment and technology), water treatment and technology, indigenous technology for climate change mitigation and adaptation, solid waste treatment and technology
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Teknik Lingkungan
Articles 313 Documents
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SIDOARJO VOLCANIC MUD AS PROMISING FENTON CATALYST FOR REMOVAL OF CONGO RED DYE Parningotan, Samuel; Direstiyani, Lucky Caesar; Adityosulindro, Sandyanto
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 7, NUMBER 2, OCTOBER 2024
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v7i2.20772

Abstract

Sidoarjo mud is a volcanic mud (VM) that continues erupting in Sidoarjo to this day. The VM has the potential to be used in water treatment technology as a reagent or catalyst due to enormous amount of discharged flow and rich mineral content. Heterogeneous Fenton is one promising process for maximizing the VM potential, however customization is essential to optimize the process. Aim: This study aimed to investigate the catalytic abilities of Sidoarjo VM in Fenton oxidation by several modification approaches, such as calcination (CVM), impregnation-calcination (ICVM), and unmodified (UVM). Methodology and results: Fenton oxidation was carried out in a batch reactor system with the following conditions: initial congo red (CR) concentration= 50 mg/L; VCR=300mL pH=2; agitation speed=300 rpm; catalyst dosage=0.5 g/L; dan H2O2 concentration=485 mg/L. The highest performance results were achieved when the process was combined with adsorption, at 90% (CVM), 55% (ICVM), and 52% (UVM), respectively. Conclusion, significance, and impact study: The Sidoarjo volcanic mud shows high potential as a Fenton catalyst in the UVM modification technique with CVM reveals to be more suitable as an adsorbent.
INVESTIGATION OF MECHANICAL CHARACTERISTICS OF LIGHTWEIGHT CONCRETE USING ENVIRONMENTALLY FRIENDLY LIGHTWEIGHT AGGREGATES Nelfia, Lisa Oksri; Sekarningtyas, Nazifa; Sumarno, Agung; Rinanti, Astri; Amiri, Ouali
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 7, NUMBER 2, OCTOBER 2024
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v7i2.19715

Abstract

This study aims to investigate the mechanical properties of lightweight concrete using lightweight aggregate and analyze the impact of silica fume on enhancing its compressive strength. The main objective of this study was to improve the value of industrial waste by utilizing GGBFS as a substitute for cement. Four alternative compositions have been used to produce samples of lightweight concrete. The coarse aggregate is substituted with 100% lightweight expanded clay aggregate, whereas the fine aggregates are replaced with 100% vermiculite and 100% polystyrene bead waste.                                A combination of 20% GGBFS and 10% silica fume is employed for cement replacement. The materials used throughout this study consist of aluminum powder and superplasticizer. The workability, compressive strength, tensile strength, and specific gravity of concrete will be determined by testing.                  The waster curing will be carried out on cylindrical concrete specimens 200 mm in height and 100 mm in diameter. Experimental results showed that the concrete mixture consisting of 80% cement and 20% GGBFS as binders, along with lightweight expanded clay aggregate as coarse aggregate and vermiculite as the fine aggregate, exhibits the highest compressive strength compared to other lightweight concrete mixtures.
ASSESSING GROUNDWATER QUALITY IN NORTH JAKARTA: A STATISTICAL APPROACH Wijayanti, Yureana; Kusumadewi, Riana Ayu; Wijaya, Nicholas Albert; Safitri, Lisma; Kristanti, Risky Ayu
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.18152

Abstract

Aims: This study investigates the groundwater quality in North Jakarta. Methodology and results: The groundwater data from thirty-one sampling sites were analyzed for physical and chemical parameters such as total dissolved solids (TDS), pH, turbidity, nitrate (NO3), sulfate (SO4), chloride (Cl), manganese (Mn), fluoride (F), and iron (Fe). Principal Component Analysis (PCA) and Spearman’s correlation matrix were utilized to evaluate the contamination sources. Conclusion, significance, and impact study: The findings reveal significant variability in chloride and total dissolved solids (TDS) concentrations, while fluoride levels remained stable. Strong correlations were found between TDS and chloride, as well as, turbidity and iron, suggesting contamination from seawater intrusion and industrial activities. PCA identified four key components explaining 77% of the total variance. The first component, dominated by TDS, turbidity, iron, and chlorine, indicates ongoing seawater infiltration in the coastal aquifer. The second component, associated with turbidity, nitrate, and fluoride, indicates contamination from human activities. This study shows the value of multivariate statistical techniques like PCA, in assessing groundwater quality. The correlation matrix further confirms the influence of seawater on groundwater salinity and the presence of heavy metals, possibly due to soil disturbance. Moreover, there is an influence of geological and geographical factors, particularly the excessive groundwater extraction leading to seawater intrusion and groundwater quality deterioration. 
GREEN INFRASTRUCTURE AS NATURE-BASED SOLUTIONS FOR WATER RESOURCES MANAGEMENT IN INDONESIA Agnes, Maria; Naqash, Muhammad Tayyab
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.21415

Abstract

Law No. 17/2019 declared that the main objective of Indonesia’s national water resources management is one that is managed in a comprehensive, integrated, and environmentally conscious manner, with the purpose of establishing justice and the welfare for the people. Not only stating if the national water resources management must be environmentally conscious, but the law also defines conservation as one of the efforts required for water resources management. Thereby, in the interest of carrying out the formulation and implementation process of water resources management as defined by the law, currently the Directorate General of Water Resources has included water resources conservation as one of its thirteen general policies. Even so, these conservation and environmentally conscious efforts can be found in the operational strategies, goals and performance indicators. Aims: This study was aimed to obtain additional insights can be benefited for the formulation and implementation process in Indonesia. Methodology and results: Corresponding to the recent development in water resources management strategies which have begun to lead into the direction of nature-based solutions, or popularly also known as green infrastructure, this study conducts a literature review on the utilization of green infrastructure as water resources management strategies in several other countries. Conclusion, significance and impact study: Directorate General of Water Resources’ strategic planning document for the year 2020-2024 also indicates if the objective of Indonesia’s national water resources management is still focusing on grey infrastructure, particularly the construction of multipurpose dams.
A DECADE TEMPORAL EVOLUTION OF RICE FIELD AREA CHANGES IN KESIMAN VILLAGE, BALI-INDONESIA Putu Aryastana; Anak Agung Sagung Putri Gita Suari Samitra; Putu Ika Wahyuni; Krisna Himawan Subiyanto; Jason Pajimola Punay
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.21455

Abstract

Aim: This research focuses on understanding the extent of rice field loss and the corresponding increase in non-agricultural land to promote sustainable land management and planning. It examines the significant land-use changes in the Jepun Pipil Region, Kesiman Village, Bali, from 2013 to 2024, with a focus on rice fields and non-rice fields. Methodology and results: The study utilizes remote sensing technology and Landsat satellite imagery, applying four vegetation indices (NDVI, EVI, SAVI, and LAI) to analyze temporal changes in land cover. Among these, NDVI proved to be the most effective index for monitoring the transformations. The analysis shows a notable reduction in rice fields, particularly between 2023 and 2024, with a 43.48% decrease due to urban expansion and infrastructure development. Conversely, non-rice fields expanded by 130.43% during the same period, driven by the increasing demand for residential and commercial areas. Conclusion, significance, and impact study: The study highlights the importance of sustainable land-use planning and urges policymakers to strike a balance between development and the conservation of agricultural lands. The findings provide critical insights for local governments and stakeholders in land management and urban planning, contributing to wider efforts in monitoring agricultural land use and shaping effective policy strategies.
THE GENESIS OF JAKARTA AS A "BAY CITY" IN THE QUATERNARY PERIOD AND ITS IMPLICATIONS Jambak, Moehammad Ali; Susilo, Yves Belgiaswara; Nuryana, Suherman Dwi; Yuda, Himmes Putra; Amri, Muhammad Adimas; Setiawan, Naiy Salsabila; Sulyana, Deska; Lestari, Arini Dian; Jambak, Moehammad
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.20171

Abstract

Jakarta, the capital of Indonesia, is a coastal city shaped by geological and environmental processes over the past two million years of the Quaternary Period. The Jakarta Plain was formed by a mix of land sediments from the Cisadane and Citarum Rivers and marine sediments from the Java Sea. The southern region is a volcanic highland, while the city lies on lowlands with elevations ranging from 0 to 40 meters above sea level. Aims: to investigate the geological origin and sedimentary structure of the Jakarta Plain as a bay city situated between two major river deltas and to understand the implications of its geological development for spatial planning, environmental management, groundwater utilization, land subsidence, flood control, and coastal resource management, especially in the Jakarta Bay area, which features coral reef island ecosystems. Methodology and results: the research was conducted through field observations of geological outcrops and coral reef islands in Jakarta Bay, complemented by secondary data sources. The results indicate that the plain is filled by alternating layers of terrestrial and marine sediments, with strong geological connections to the surrounding Bodetabek region (Bogor, Depok, Tangerang, Bekasi). Conclusion, significance, and impact study: The study concludes that a thorough understanding of Jakarta’s sedimentary history is essential for mitigating geological risks and supporting sustainable urban development. Furthermore, Jakarta Bay’s coral reef islands hold considerable potential for tourism, underscoring the importance of integrated coastal and environmental planning based on sound geological insight.
MODIFICATION OF ALUM SLUDGE AS ADSORBENT FOR REMOVAL OF RHODAMINE-B DYE IN WATER Adityosulindro, Sandyanto; Annisa, Siti; Halim, Denny; Kusrestuwardhani
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.21295

Abstract

Water treatment plants (WTP) in Indonesia generally use a physical-chemical process that generates a massive volume of sludge as waste. This sludge is typically discharged into the river without sufficient treatment due to land availability and/or treatment cost constraints. Aim: This study aimed to recycle the alum sludge from a drinking water treatment plant as an adsorbent for removing dye from wastewater. Methodology and results: Alum sludge was activated by several methods including calcination at 400oC and 600oC (AS-CAL400 and AS-CAL600), gelation (AS-GEL), synthesis of TiO2-alum sludge composites (TiO2@AS), and synthesis of ZnCl2-alum sludge composites (ZnCl2@AS). The adsorbents were characterized by SEM-EDS, XRF, BET, and pHPZC. The adsorption assays were carried out in a batch system and used synthetic wastewater containing Rhodamine-B dye as a model contaminant. The result shows that the highest dye removal of up to 87% was obtained using ZnCl2@AS adsorbent, contact time of 2 hours, the adsorbent concentration of 3 g/L, initial dye concentration of 50 mg/L, and pH 2. Conclusion, significance and impact study: The conclusion shows that recycled alum sludge, especially when activated with ZnCl₂, is highly effective for removing Rhodamine B dye from wastewater. It achieved 87% removal efficiency and 26 mg/g adsorption capacity under optimal conditions. The adsorbent has a rough surface with a 128.60 m²/g area, and its adsorption behavior follows the Freundlich isotherm and pseudo-second-order kinetics. Further research including long-term use, and application in real dye wastewater should be conducted to evaluate the feasibility of this adsorbent.
COMPOSITION OF EMPTY FRUIT BUNCH, BIOGAS, AND MESOCARP AS RENEWABLE ENERGY TO REPLACE PALM KERNEL SHELL WITH THE OPTIMUM GAS EMISSION (SO2, NO2 AND CO2) IN INDUSTRY Setiawan, Sandi Apriandi; Bhikuning, Annisa; Potto, Hezron Elyakim; Setiawan, Budi; Cionita, Tezara
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.21702

Abstract

Indonesia is the largest palm oil-producing country in the world, with a share of 59%. In 2013 to 2023, palm oil production in Indonesia increased by an average of 4.7%. The emergence of waste also increases along with the increase in production. Palm oil mill waste consists of palm oil mill liquid waste (POME), mesocarp fiber, palm kernel shells, and empty oil palm bunches. In this study, waste from palm oil, such as mesocarp fiber and empty fruit bunches, can be used to replace the palm kernel shells. Moreover, the addition of biogas to mesocarp fiber and empty fruit bunches will be used as an addition to replace fuel in boiler. Gas emission (SO2, NO2 and CO2) is key parameter for process combustion in boiler Boiler gas emission is regulated by Ministry of Environment regulation. Aim: This study was aimed to analyze and determine the optimum composition that can be used in boiler fuel where gas emissions are the main parameters, especially N02, SO2 & CO2.  Methodology and results: The method in this study are a literature review, analyzing materials for proximate and ultimate, then analyzing the results. The results of this study are the optimum composition of 85% mesocarp fiber, 10% biogas, and 5% empty bunch fiber where composition  SO2 and NO2  do not exceed the threshold and the lowest CO2 gas production. Conclusion, significance and impact study: This study can be impacted to decrease waste from palm oil industry and used the waste palm as new alternative energy that can replace fuel in boiler.
IRBA STUDY AT BAGENDUNG LANDFILL, CILEGON CITY: RISK AND ENVIRONMENTAL IMPACT ASSESSMENT OF WASTE MANAGEMENT Widyarsana, I Made Wahyu; Muflihah, Lilih; Al Azhar, Muhammad Reza; Putri, Regia Afiyanti; Ragorudin, Abdul Karim; Prayogo, Wisnu; Suhodo, Muhammad Adil Setiyanto
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.22012

Abstract

Bagendung Landfill is located in Bagendung Village, Cilegon City has been operational since 1998. with a land area of 10 hectares, this TPA has a waste management capacity of up to 668 tons/day. Aims: To calculate the environmental risk index of the Bagendung Landfill and evaluate its management using the Environmental Risk Index Assessment method, known as the Integrated Risk-Based Approach (IRBA), and to provide actionable recommendations for enhancing waste management practices at the landfill. Methodology and results: The research utilized secondary data analyzed through the IRBA method, adhering to the framework outlined in the Minister of Public Works and Public Housing Regulation No.3/2013 concerning the Provision of Facilities and Infrastructure to Handle Domestic Waste and Domestic Waste Equivalents. The analysis revealed a risk index score of 515.25 for Bagendung Landfill, placing it within the medium-risk category. Conclusion, Significance, and Implications:               The landfill’s operations can continue with gradual rehabilitation transitioning into a controlled landfilling system. It is necessary to adopting modern waste management technologies, including Refuse-Derived Fuel production, landfill mining, and enhanced methane gas monitoring systems, to mitigate environmental risks. The integration of pH as an additional parameter in risk assessment and leachate evaluation is recommended to enhance the precision of environmental monitoring and better predict contaminant behavior. Implementing these measures is expected to minimize environmental impacts, extend the operational lifespan of the landfill, and contribute to the reduction of greenhouse gas emissions. Collectively, these efforts align with the objectives of sustainable waste management for Cilegon City.
COMBINATION OF FeCl3 AND Fe3O4 AS A MAGNETIC COAGULANT FOR CONGO RED REMOVAL Sugih, Asaf K; Deiza, Muhammad A; Nurmawan, Safri F; Prasetyo, Susiana; Tan, Daniel; Kristianto, Hans
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 1, APRIL 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i1.22575

Abstract

Water pollution remains a critical environmental issue, necessitating efficient treatment technologies, among which, coagulation is still widely applied due to its effectiveness in removing colloidal particles and organic pollutants. Inorganic coagulants remain a preferred coagulant despite drawbacks such as excessive sludge formation and long settling times. To address these limitations, the integration of magnetic nanoparticles to form magnetic coagulants has emerged as a promising strategy. Aims: This study was aimed to investigate the effectiveness of the FeCl3 - magnetite (Fe3O4) combination as a magnetic coagulant for the removal of Congo red from synthetic wastewater. Methodology and results: The influence of key parameters, including pH (3-8), coagulant dose (4-44 mL/L), magnetite dose (0-200 mg/L), and initial dye concentration (50-100 mg/L), was systematically evaluated. Coagulation experiment was done by using a standard jar test apparatus.              The settling kinetic was evaluated by using pseudo-first and second-order kinetic model. Conclusion, significance and impact study: It was found that pH 6, coagulant dose of 20 mL/L FeCl3 0.5 M, and magnetite dose of 150 mg/L gave the best coagulation efficiency with 95% removal of 50 mg/L Congo red wastewater. Furthermore, the settling kinetics showed a good suitability with non-linear pseudo-second order-model kinetics. Results demonstrated that FeCl3-Fe3O4 as a magnetic coagulant significantly improved floc formation, settling efficiency, and overall pollutant removal.

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