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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 25 Documents
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Search results for , issue "VOLUME 8, NUMBER 2, OCTOBER 2025" : 25 Documents clear
STUDY ON THE DEVELOPMENT AND PERFORMANCE OF WATER DISTRIBUTION NETWORKS IN LANGARA URBAN AREA, SOUTHEAST SULAWESI DARMAWAN, ILHAM KARI BUDI; Bakri, Bambang; Ibrahim, Roslinda; Arai, Yasuhiro; Jumain, Mazlin
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23293

Abstract

Aims: This study was aimed to evaluates the development of the water distribution network in the IKK PDAM Lama of Konawe Kepulauan Regency- Southeast Sulawesi Province, Indonesia, particularly in West Wawonii Sub-district, which faces the challenge of increasing water demand due to population growth and urbanization. Methodology and results: The study utilized survey methods of water pressure, discharge, and physical condition of the network, as well as secondary data such as network maps and PDAM technical reports. Water demand projections were conducted based on the technical standards of the Minister of Public Works and Housing Regulation No.27/PRT/M/2016, with network hydraulics simulations using EPANET 2.2 software to analyze water pressure and flow under existing conditions and after network development. Conclusion, significance and impact study: Simulation results indicate that the water distribution network developed in 2025 fails to meet community demand, evidenced by negative pressure zones requiring network design revision. Initial optimization involved increasing the main pipe diameter to 150 mm and using Galvanized Iron Pipe (GIP) to reduce leakage, which satisfied demand until 2035 but fell short by 2040. Further optimization increased the main pipe diameter to 200 mm and the divider pipe to 160 mm, successfully meeting water demand until 2045. This study highlights the necessity of sustainable planning and continuous optimization in water distribution networks to maintain adequate service pressure and reliable clean water supply, especially in rapidly growing urban areas.
DECENTRALIZED WASTEWATER TREATMENT AND ENERGY RECOVERY IN URBAN SETTINGS: PERFORMANCE OF A MODIFIED SEPTIC TANK-MICROBIAL FUEL CELL SYSTEM Larasati, Dyanung; Setiyawan, Ahmad Soleh; Surinkul, Nawatch; Va, Vandith
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23544

Abstract

Microbial Fuel Cell (MFC) technology has attracted interest for its dual role in wastewater treatment and energy generation. Aim: This study aimed to evaluate the performance of a Modified Septic Tank-Microbial Fuel Cell (MST-MFC) for office domestic wastewater treatment, focusing on organic matter, ammonia removal, and electricity generation. Methodology and results:  In this study, synthetic wastewater was prepared to simulate the typical composition of domestic effluent from office buildings. The main variables measured in this study included pH, temperature, Chemical Oxygen Demand (COD), Dissolved Oxygen (DO), and ammonia levels. A 196 L reactor (36 h HRT) with anoxic, anaerobic, aerobic, and sedimentation zones was equipped with three pairs of zinc–copper electrodes (2 cm spacing) placed in anaerobic (anode) and aerobic (cathode) chambers. Synthetic wastewater with controlled COD:N:P ratios was applied at two organic loading rates (OLRs): 7 and 11.94 mg COD/L.h. At the lower OLR, COD removal reached 100% versus 93.85% at the higher OLR. Ammonia removal was also higher (27.61% vs. 17.59%), while electricity generation peaked with 461.88 mV, 355.67 mW/m2, and 0.0970% Coulombic efficiency. Conclusion, significance and impact study: The MST-MFC showed strong potential for decentralized wastewater treatment with energy recovery, though limited ammonia removal indicates further optimization is needed, with OLR as a key factor.
INNOVATING URBAN ENVIRONMENTAL CONSERVATION THROUGH COMMUNITY-BASED MURAL INITIATIVES IN PERENG, CENTRAL JAVA Nurcahyanti, Desy; Ardianto, Deny Tri; Mat Desa, Mohd Asyiek; Khwanrat Chinda
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23547

Abstract

Aim: This study aims to find out how the Pereng community receives education about environmental conservation and cultural creativity through murals, which villagers are familiar with, to ease the burden in terms of cleanliness, for example, dry leaves that fall to the ground because they will rot into compost by natural processes. Methodology and results: The quality of water and soil around Pereng is decreasing based on research results from a team from the Faculty of Agriculture, Universitas Sebelas Maret. Somebody took a series of approaches, including outreach from the Department of Regency Health. The Pereng people have the character of being able to easily receive information through an arts and cultural approach that is close to their lives. Direct socialization methods tend to be unacceptable because they are judgmental. Conclusion, significance, and impact study: This study show that sensitive people prefer mural images as a means of education compared to direct socialization, which takes up their activity time, are easier to interpret, and are non-judgmental. The Pereng people's busy lives as farmers and traders have been entertained by rich, colorful, and shape murals. The Pereng Creative Village pilot requires strengthening so that somebody can quickly understand the dynamic character of the Pereng community. Murals are an attractive visual medium to explain calls for environmental awareness through two-dimensional images. Murals scattered at several points in Pereng Village represent the village's nature, agricultural products, arts and culture, and productive activities of the community, such as planting rice.
ASSESSING THE SUITABILITY OF NATURE-BASED SOLUTIONS (NBS) FOR FLOOD RISK REDUCTION: A CASE STUDY OF THE SERAYU WATERSHED IN PURBALINGGA REGENCY, CENTRAL JAVA Pakungwati, Dinda Ayu; Sejati, Wahyu; Andayani, Sih; Kurniyaningrum, Endah; Aryadi, Eric Virgiawan; Zulfan, James; Beselly, Sebrian Mirdeklis; Ngom, M. B
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23649

Abstract

The Serayu Watershed is one of the critical watersheds in Central Java, particularly in the upstream. Aim: This study aims to assess the suitability of nature-based solutions (NBS) in flood risk reduction in the Serayu Watershed. Methodology and results: The collected data included the Serayu Watershed boundary and spatial datasets, consisting of a Digital Elevation Model (DEM), infiltration area map, soil erosion map, land use map, and slope map. The authors applied a spatial analysis method using the Geographic Information System (GIS) to integrate historical flood data, population density, topography, slope, geology, soil type, land use, water catchment area, water absorption area, groundwater basin, and erosion rate. The study found that within 10 years (2014-2023), 54 villages were exposed to flooding with a total area of ​​6,453.3043 ha or 8.010% of the area of ​​Purbalingga Regency. The analysis of land use changes from 2017 to 2022 shows a significant decrease in the area of ​​plantation forests-by 225,477.67 ha, from 323,979.26 ha to 98,501.58 ha. Conclusion, significance, and impact study: This study examines the regional characteristics and flood patterns of the Upper Serayu River in Central Java, Indonesia. Drawing on spatial analysis and hydrological data, the findings identified five NBS recommended for implementation: river floodplain restoration river and stream renaturation, building-related interventions, bioretention areas, and urban farming. These strategies align with local geormorphological conditions and offer sustainable approaches to flood mitigation. This study contributes to regional policy-making and supports the development of flood risk management in the Upper Serayu Watershed.
META-ANALYSIS OF LAND VALUE UPLIFT FROM TOD PROJECTS: IMPLICATIONS FOR URBAN DEVELOPMENT AND POLICY Vu Hong Son, Pham; Duong, Le Tung
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23987

Abstract

Aim: This study aims to systematically quantify the average land value appreciation (LVU) associated with Transit-Oriented Development (TOD) initiatives globally and present standardized reference values for the efficient design of Land Value Capture (LVC) measures. Methodology and results:                The employed meta-analysis using evidence from multiple empirical studies of different urban settings and transit modes. Fixed Effect and Random Effect Models were used to statistically robust estimate LVU measures against heterogeneity of methodologies, locations, and transit systems. Publication bias and variance estimation approaches (DL, REML, PM) were tested for providing reliable results. Analysis in our study finds average TOD-related LVU between 4.2% and 39.4%, and an overall effect size of 14% (95% CI: 8% - 20%) within 1km of transit stations. Conclusion, significance and impact study: Meta-analysis documents substantial but heterogeneous LVU from TOD initiatives, confirming the economic return of transit investments and highlighting the relevance of local contextual determinants of the size of uplift. The research provides essential standardized LVU comparisons for policymakers, urban planners, and researchers creating effective LVC programs to achieve sustainable urban growth. Findings confirm evidence-based investment decisions in infrastructure and contribute to theory for transit-induced land value relations, making it possible to make more accurate financial estimates for future TOD projects globally.
TOWARDS RESILIENT URBAN FUTURES: LAND USE CHANGE, FLOOD RISK, AND THE ROLE OF SUSTAINABLE DRAINAGE SYSTEMS IN KUANTAN TENGAH DISTRICT Hermawan, Chitra; Suryanita, Reni; Mulyadi, Aras; Firzal, Yohannes
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.22892

Abstract

Sustainable Urban Drainage Systems (SUDS) are considered an innovative approach to urban water management, but their application in Indonesia is still very limited. Aim: This study was aimed to analyze the impact of land use change on runoff coefficient and its implication for socio-economic resilience in post-flood conditions in Kuantan Tengah District, Riau Province. Methodology and results: The research applied a spatial-hydrological and socio-economic approach, integrating drone imagery, GIS-based land classification, runoff coefficient analysis, field drainage assessment, and community surveys. Results revealed that the average runoff coefficient (Cr) increased to 0.57 due to land conversion into impervious surfaces, especially residential and road areas. This condition led to inadequate drainage capacity and contributed to urban flooding. Socio-economic impacts identified include infrastructure damage, income loss in local businesses, health problems, and psychological stress. SWOT analysis highlighted institutional strengths and public awareness, but also emphasized weak ecosystem-based management. Conclusion, significance and impact study: A Sustainable Urban Drainage System (SUDS) model was proposed to overcome these challenges, combining green infrastructure, zoning policy, SOP (standard operating procedures) for drainage maintenance, and community participation. This study provides a novel integrative framework for urban flood risk mitigation based on hydrological and socio-economic indicators and offers policy insights for sustainable spatial planning in flood-prone regions.  The solutions offered directly support several Sustainable Development Goals (SDGs), particularly SDG 11 on Sustainable Cities and Communities, SDG 6 on Clean Water and Sanitation, and SDG 13 on Climate Action.
INVESTIGATING HYBRID ELECTROCOAGULATION-FENTON SYSTEM FOR SUSTAINABLE NICKEL REMEDIATION IN WATER RESOURCE López-Ramírez, Miguel Ángel; Castellanos Onorio, Olaya Pirene; Díaz-González, Mario; González Gómez, Gerardo; Ramos Martínez, Ana Concepción
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.22984

Abstract

Aim: One of the biggest problems of the 21st century is water scarcity and the lack of optimal treatments to solve a need that is increasing due to the contamination of this resource and growing population. The objective of this research is to conduct laboratory-level research on the efficiency of conventional treatments, advanced oxidation processes, and a modified electrocoagulation treatment. Methodology and results: The process known as typical treatment with aluminum sulfate at concentrations of 75, 150, and 225 mg and pH levels of 2, 3, and 4; Fenton reaction at the above concentrations using ferrous sulfate and 0. 22 mL of hydrogen peroxide at the above pH conditions; electrocoagulation with Fenton was performed at a voltage of 17.5 and 19 V, using aluminum electrodes and Fenton reagent conditions similar to the above-mentioned process, except for the medium, where a pH of 8 and 10 is proposed. According to the above experiments, the following results were obtained respectively: Typical treatment with an average removal of 0%, Fenton maximum average removal of 50% at pH 4 and 225 mg of reagent; modified electrocoagulation obtained maximum average removals of 97.6% at pH 8, 19 V, 75 mg of Fenton, and 60 min. Conclusions, Significance, and Impact Study: The addition of Fenton reagent to the electrocoagulation process helps to reduce the reaction time to 30 minutes, according to the literature, making modified electrocoagulation a viable treatment for nickel-contaminated water, in addition to achieving higher removal results than other treatments.
SERVICE QUALITY ASSESSMENT FOR SUSTAINABLE HOUSEHOLD WASTE MANAGEMENT IN SINJAI DISTRICT, INDONESIA Falah, Teuku Raja Fahsul; Jamil, Muhammad Hatta; Demmallino, Eymal B.; Arsal, Ariady; Sari, Yenita Sandra; Alkhozahe, Hussein; Ozel, Cenap
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23009

Abstract

The rapid population growth in the region has led to challenges in managing household waste. Local governments must consider waste treatment infrastructure and landfill space availability when providing services. Aim: This study aims to evaluate the quality of services in household waste management in Sinjai District, Indonesia. Methodology and results: This study employs a mixed-method analysis utilizing the Delphi and SERVQUAL techniques. The research was conducted in Sinjai District, South Sulawesi, Indonesia, with a sample size of 397 respondents. The findings indicate that waste management within the Tondong landfill service coverage area in Sinjai Regency is relatively effective in reducing waste generation. According to the SERVQUAL analysis, apart from the tangible dimension, all other dimensions exhibit a negative GAP score, highlighting the need for improvements in each area. Conclusions, Significance, and impact of The Study: Waste management in Sinjai District, particularly in terms of composting and waste bank initiatives, faces major challenges in infrastructure, technology, and public awareness. Landfilling and composting methods are widely applied, but their efficiency needs to be improved. In the system, collection and transportation remain constrained by limited resources, while recycling requires community participation supported by education and wider access to recycling facilities. An integrated approach, involving the government, community, and private sector, is needed in Sinjai Regency to enhance the sustainability and effectiveness of waste management.
GEOGRAPHIC INFORMATION SYSTEM-BASED ASSESSMENT OF ENVIRONMENTAL CHALLENGES AND GREEN INFRASTRUCTURE PLANNING IN THE TALLO RIVER WATERSHED, MAKASSAR CITY Indrayani, Poppy; Djamaluddin, Ibrahim; Ritnawati, Ritnawati; Anugrah, Anugrah; Baso, Darwis; Hasnawi, Mursyid; Khaer, Miftahul; Asmeati, Asmeati; Honda, Hiroyuki; Kalla, Rastina; Meneisy, Ahmed M
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23083

Abstract

Aims: This study aims to explore the key issues and potential for implementing Green Infrastructure (GI) in the Tallo River area of Makassar, the largest city in Eastern Indonesia. Given its strategic location near the city center and its extensive undeveloped wetlands, the Tallo River region presents a valuable opportunity for sustainable urban development. The research emphasizes the need for integrated planning that addresses natural, economic, and social dimensions, positioning the Tallo River as a multifunctional resource capable of delivering diverse environmental benefits. Methodology and results: Using Geographic Information Systems (GIS) as a decision support and spatial analysis tool, this study evaluates environmental and socio-economic characteristics of the Tallo River area within the Green Infrastructure framework. Spatial data were analyzed to identify and map existing ecological functions, climate adaptation potential, and flood mitigation capacities. Through this process, various GI components and their functions were classified, and priority zones for Green Infrastructure implementation were delineated based on overlapping environmental and social values. Conclusion, significance and impact study: The findings highlight the critical role of GIS in supporting integrated urban planning and environmental management. Conceptualizing the Tallo River area as a multifunctional green space offers a pathway to enhance ecological resilience, address climate risks, and improve urban livability. This study provides actionable insights for policymakers and urban planners, reinforcing the significance of spatial analysis in guiding sustainable development strategies in rapidly urbanizing regions.
RAINWATER RUNOFF TREATMENT USING LAYERED ECO PAVING BLOCKS: EFFECTS OF THICKNESS AND DENSITY Ritnawati, Ritnawati; Akbar, Ahmad Qasim; Hasnawi, Mursyid; Agisaqma, La Ode; Basri, Muh Subri; Shalihah, Fithrah Faradhiba; Ali, Aisyah Mardiana; Hajerah , Hajerah; Djamaluddin, Ibrahim; Anugrah , Anugrah; Indrayani, Poppy; Erdawaty, Erdawaty; Zhang, Xuepeng
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 8, NUMBER 2, OCTOBER 2025
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v8i2.23224

Abstract

Aims: This study aims to investigate the effect of binder variations on the compressive strength of eco paving blocks composed of four layered materials-rice husk, quartz sand, gravel, and activated carbon-each with a thickness of 6 cm. Methodology and results: The application is directed toward wastewater treatment using the rain garden method. Laboratory experiments were conducted to obtain reliable performance data. The results show that cement-bonded paving blocks demonstrate superior performance compared to those using fly ash binders. Cement adhesives ensured strong cohesion between layers, with blocks maintaining integrity during demolding without signs of damage or porosity. In contrast, paving blocks with fly ash binders required longer drying times due to the high moisture absorption of quartz sand, and they exhibited brittleness caused by weak adhesion. Extended curing was necessary before fly ash could adequately bond the base materials. Conclusion, significance and impact study: Quantitative findings revealed that paving blocks with cement adhesives achieved an average compressive strength of 836.25 MPa, higher than the 696.25 MPa of fly ash-bonded blocks. These results imply that cement remains the more effective binder for eco paving blocks in rainwater runoff and wastewater treatment, while fly ash requires optimization to improve its bonding performance. Eco-paving provides a nature-based, sustainable, and cost-effective solution for urban wastewater management, achieving both structural durability and effective pollutant removal.

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