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INDONESIA
IJEMS (Indonesian Journal of Environmental Management and Sustainability)
Published by ARTS Publishing
ISSN : 25986260     EISSN : 25986279     DOI : -
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Energy Environmental Science Public Health
This journal aimed to be a platform for academics, regulators, practitioners, and also policy makers to share and discuss how to manage their surrounding environment in order to build and develop a sustainable environment. The scope of this journal includes all issues of fundamental environmental science, management, technology and related fields. In particular, the journal welcomes the following field: Waste and wastewater management, Air, soil, and water pollution, Climate change and its aspects, Natural energy and resources, Environmental policy and Risk analysis and assessment of public health.
Arjuna Subject : -
Articles 198 Documents
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Assessing Climate Village Program Sustainability Using Multidimensional Scaling Setiyorini, Nila Ayu; Hendrawan, Yusuf; Anggayasti, Wresti Listu; Tiarantika, Reny
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.341-349

Abstract

Climate change poses severe threats to rural socio ecological systems, necessitating decentralized, community based climate action. While Indonesia’s Climate Village Program (ProKlim) serves as a primary local adaptation and mitigation policy, conventional evaluative methods rely heavily on descriptive scorecards, obscuring multidimensional dynamics and the systemic role of stakeholder partnerships. This study addresses these gaps by implementing an integrated evaluation framework that combines Sustainability Transition Theory, Collaborative Governance, and Multidimensional Scaling (MDS) via the modified Rapfish technique. We assessed 20 validated attributes across institutional, social, economic, and environmental dimensions using perceptual data from 30 systematically selected stakeholders involved in the Pentahelix partnership model in Wonocoyo Village, Trenggalek Regency. The multidimensional sustainability index scored 58.36 (moderately sustainable). At the dimensional level, institutional governance achieved the highest score (77.23, highly sustainable), followed by environmental quality (67.65) and social dynamics (52.14). Conversely, the economic dimension recorded a less sustainable score (36.42), reflecting systemic barriers in converting ecological actions into tangible financial welfare. Leverage analysis highlighted program monitoring and evaluation, community mutual cooperation (gotong royong), local economic benefits, and the continuity of environmental initiatives as critical anchor attributes. Goodness of fit metrics (Stress = 0.15 - 0.16; R2 = 0.90 - 0.93) and Monte Carlo simulations confirmed model stability. These findings establish that high institutional capability alone cannot guarantee localized socio ecological transformations without explicit economic feedback loops, offering scalable governance insights for national decentralized climate targets.
Decentralized Governance in Industrial Estates: The Role of Internal Environmental Monitoring Units Sulistyo, Hadiyan Yusra; Leksono, Amin Setyo; Afandhi, Aminudin; Tiarantika, Reny
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.401-409

Abstract

The rapid concentration of manufacturing activities within centralized industrial zones yields critical macroeconomic advantages but escalates localized environmental degradation. Under the Indonesian regulatory framework, tenants operating inside industrial estates are legally mandated to execute a site-specific Environmental Management and Monitoring Plan. In practice, structural enforcement gaps within public environmental agencies necessitate an intermediary layer of internal oversight. This study empirically examines the operational role of the Environmental Monitoring Unit at PT Surabaya Industrial Estate Rungkut (SIER) and its association with tenant compliance. Employing a quantitative survey methodology with 40 operational tenants (N = 40), primary data were analyzed through descriptive statistics, classical assumption verification, and simple linear regression modeling. Descriptive indices reveal that the monitoring unit’s operational role is perceived as high (mean = 4.18), while the overall effectiveness of environmental implementation is exceptionally high (mean = 4.45). Inferential modeling confirms that the monitoring unit exerts a statistically significant positive association with implementation quality (Y = 23.237 + 0.520X; p = 0.000), accounting for 41.5% of compliance variance. Grounded conceptually in systems ecology, this paper explores how internal monitoring units can function as regulatory feedback loops. Future studies are encouraged to utilize larger samples and actual pollutant reduction data to validate these findings.
Evaluating Environmental Sustainability Performance through Green Industry Standards in Indonesian Ammonia Production Mujir Syah Dani; Muhammad Rizal; Iskandar Hasanuddin; Safriza Naufal Amzad
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.318-330

Abstract

The fertilizer industry is a strategic sector that supports global food security. However, the production processes associated with this industry are characterized by high energy consumption and significant greenhouse gas emissions. The present study assesses environmental management and corporate sustainability performance within an integrated ammonia and urea production system based on Green Industry Standard (GIS) indicators. A quantitative descriptive approach was employed, whereby sustainability performance was measured through the use of key performance indicators (KPIs), trend analysis, and benchmarking against national GIS technical requirements. Secondary data from operational records, annual reports, and sustainability reports covering the period of 2021–2024 were analysed. The outcomes demonstrate that economic growth is concomitant with alterations in environmental and economic sustainability performance. Ammonia and urea production increased by 13% and 11.5%, respectively, while natural gas consumption intensity remained relatively stable, with only a 0.15% increase compared with the baseline period. However, greenhouse gas emission intensity exhibited a 35.8% increase compared to the 2021 baseline level, signifying that the effective management of emissions continues to pose a substantial challenge to the pursuit of sustainable industrial performance. From an economic vantage point, the augmentation in production capacity was accompanied by a 19.1% diminution in net profit margin, underscoring the necessity of achieving a balance between operational efficiency and environmental objectives. The findings indicate that Green Industry Standards offer a quantifiable framework for evaluating sustainability performance in energy-intensive fertilizer industries. To this end, there is an imperative for ongoing enhancement in emission reduction strategies, energy efficiency, and operational reliability. Such enhancements are crucial for fortifying environmental management practices and underpinning long-term corporate sustainability.
The Potential of Marine Yeast and Its Interaction with Mold in Degrading High-Density Polyethylene (HDPE) Nur Hidayatul Alami; Rosi Yulia Karinda Sari; Nabila Anindya Salma; Nengah Dwianita Kuswytasari; Enny Zulaika; Maya Shovitri
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.308-317

Abstract

Indonesia is one of the countries that contributes significant amounts of plastic waste to coastal environments. High-density polyethylene (HDPE) is a petroleum-based synthetic thermoplastic and the primary source of environmental plastic pollution. The stable aliphatic chains with strong C–C bonds in HDPE render it recalcitrant to microbial degradation. Bioremediation through biodegradation by microorganisms can be an effective and environmentally friendly solution for eliminating HDPE from ecosystems. Several studies have suggested that microbial consortia may enhance plastic biodegradation. However, the effectiveness of marine yeast-mold interactions in HDPE degradation remains poorly understood. This study aimed to evaluate the potential of marine yeast to degrade HDPE and assess its effectiveness when combined with molds for HDPE degradation. The biodegradation experiment was conducted over 30 days using Mineral Salt Medium Broth (MSMB) and plastic sheets. The parameters assessed during biodegradation included degradation effectiveness (%), total count of heterotrophic microorganisms (CFU/mL), and Scanning Electron Microscope (SEM) analysis. The results show that marine yeast has the potential to be used alone or in combination with molds. The highest value was achieved by the P2 treatment group in week 4, which consisted of a consortium of marine yeast and mold, with a value of 4.855%. However, this was not significantly different from P1, which consisted of a consortium of marine yeast with a value of 4.17%. The SEM test results indicated biofilm formation in all treatments, suggesting plastic biodegradation activity.
Beyond Linear Regression: A Non-Linear Hygroscopic Growth Correction for Satellite-Derived PM2.5 Estimation in Tropical Environments Lasmita Sari; Choirul Mahdianto
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.364-379

Abstract

Fine particulate matter (PM2.5) estimation from satellite-derived Aerosol Optical Depth (AOD) is often biased in humid tropical environments because aerosol water uptake enhances optical extinction without a corresponding increase in dry particulate mass. This study develops a physics-informed, non-linear AOD-to-PM2.5 conversion framework that explicitly accounts for hygroscopic growth. Four years (2020–2023; N = 1.456 daily observations) of AOD, PM2.5, and relative humidity (RH) data from the Copernicus Atmosphere Monitoring Service (CAMS) global reanalysis over Jakarta, Indonesia, were used to quantify humidity-dependent bias and estimate an empirical hygroscopic exponent (gamma). The conventional linear model showed systematic overestimation under high-humidity conditions (RH > 80%), with a mean positive bias of 18.7 µgm-3. Incorporating the hygroscopic correction yielded  gamma = 0.68 ± 0.04, increased R2 from 0.52 to 0.84, and reduced RMSE from 15.8 to 8.7 µgm-3. The estimated gamma remained stable across seasonal subsets, data-availability scenarios, and quality control thresholds and was consistent with reported values for urban-industrial aerosols. These results demonstrate that explicitly representing aerosol hygroscopicity can substantially improve AOD-based PM2.5 estimation in humid tropical environments. Although calibrated using CAMS reanalysis over Jakarta, the framework provides a physically interpretable and reproducible approach that can be applied to other regions after appropriate local recalibration.
Upgrading Oil Palm Empty Fruit Bunch Bio Oil via Catalytic Hydrodeoxygenation Using Nickel Impregnated Activated Carbon and Natural Zeolite Catalysts Rina Novia Yanti; Rahma Joni; Yelmiza
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.380-389

Abstract

Biomass is a promising alternative energy feedstock because of its cellulose, hemicellulose, and lignin content and its availability as an agricultural and plantation residue. Pyrolysis can convert biomass into bio-oil, a complex liquid containing oxygenated compounds such as ketones, acids, phenols, alcohols, aldehydes, and hydrocarbons. This study evaluates the upgrading of crude bio oil (CBO) derived from oil palm empty fruit bunches (EFB) using nickel impregnated activated natural zeolite (ZAA/Ni) and nickel-impregnated activated carbon (AA/Ni) catalysts under hydrodeoxygenation (HDO) conditions. The physicochemical properties and available GCMS results were compared descriptively before and after upgrading. After correction of the compound classifications and recalculation from the listed GCMS peaks, the hydrocarbon peak-area totals were 20.59% for CBO, 20.36% for ZAA/Ni, and 26.66% for AA/Ni. The AA/Ni-treated bio oilshowed an increase in higher heating value (HHV) from 39.13 to 40.27 MJ/kg. Because the original chromatograms and independent replicate measurements were unavailable for this revision, the GCMS results are interpreted as semi quantitative, and the numerical differences are not presented as statistically significant. Overall, AA/Ni showed the more favorable combination of oxygen removal and HHV improvement under the tested conditions, although the increased viscosity indicates that further stabilization or fractionation would be required before considering diesel-equivalent applications.
Comparative Evaluation of Activated Sludge, Biogrow Biofilm, and Hybrid Systems for the Removal of Pollutans from Shrimp Pond Wastewater Grace Felicyta; V. Irene Meitiniarti; Chairul Anwar
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.390-400

Abstract

Litopenaeus vannamei shrimp farming is a segment of aquaculture with significant economic potential. However, the wastewater produced during this process contains various pollutants, including salinity, phosphate, hydrogen sulfide, ammonia, nitrate, and nitrite. If it is discharged untreated, these pollutants can contribute to environmental pollution. This study aimed to compare the effectiveness of activated sludge, Biogrow, and a combination of both systems in reducing pollutant concentrations in shrimp pond wastewater. The experiment was conducted over 8 days in a batch system using Greenbio 1103 bacterial resin. Physical and chemical characteristics of the wastewater were analyzed on days 0, 2, 4, 6, and 8. Data were analyzed using Two-Way ANOVA, followed by Tukey’s post-hoc test. The results indicated a significant interaction (p < 0.05) between treatment duration and treatment media in reducing ammonia, COD, phosphate, and TSS concentrations. Among the systems tested, the Biogrow medium exhibited the highest treatment efficiency, achieving removal rates of 99.5% for ammonia (from 15.18 to 0.079 mg/L), 57.1% for COD (from 1402.9 to 601.7 mg/L), 93.8% for phosphate (from 1.27 to 0.079 mg/L), and 42.9% for TSS (from 980 to 560 mg/L). In comparison, activated sludge alone achieved lower removal rates: 87.2% for ammonia, 45.4% for COD, 91.9% for phosphate, and 24.5% for TSS. The enhanced performance of Biogrow was attributed to its large specific surface area, which facilitated bacterial attachment and supported the development of a stable biofilm structure.
Sustainable Fabrication of Alkali-Treated Aluminum Foil Using Agricultural Fertilizers for Filter-Free Escherichia coli Removal in Drinking Water Ihsan, Taufiq; Davis, Tiffany; Yenni, Yenni
Indonesian Journal of Environmental Management and Sustainability Vol. 10 No. 4 (2026): December
Publisher : Magister Program of Material Science, Graduate School of Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/ijems.2026.10.4.331-340

Abstract

Microbiological contamination of drinking water by Escherichia coli remains a major public health hazard in resource-limited settings. Conventional adsorptive technologies that utilize powdered materials pose post-treatment recovery challenges, whereas synthesis using analytical-grade chemicals is economically infeasible for point-of-use (POU) applications. Herein, we report a sustainable strategy for fabricating Alkali-Treated Aluminum Foil (ATA foil) as an integrated, filter-free sheet from commercial aluminum foil and agricultural fertilizers (Mg(NO3)2 and wood ash extract). The influence of activation duration (6 h vs. 24 h) on phase transformation, surface topography, and bacterial capture performance was systematically investigated. X-ray diffraction (XRD) revealed that moderate synthesis pH (9.3) favored the formation of a disordered, amorphous aluminum (oxy)hydroxide active coating rather than crystalline Layered Double Hydroxides (LDH). Scanning Electron Microscopy (SEM) confirmed that extending activation to 24 h formed an interconnected, porous web across the surface. In batch assays, the 24-h ATA foil achieved a rapid and substantial reduction of culturable E. coli (from 102 CFU/mL to below the detection limit of < 1 CFU/mL, corresponding to > 99% efficiency) within 24 h in both synthetic water and real refill drinking water depot samples. The captured bacteria remained stably immobilized without desorption for up to 168 h. Atomic Absorption Spectrometry (AAS) confirmed non-detectable dissolved aluminum leaching (< 0.01 mg/L), complying strictly with WHO and national drinking water standards (0.2 mg/L). This study highlights the ATA foil as a safe, cost-effective, and filter-free POU alternative for decentralized drinking water safety.

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