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Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan
Published by Universitas Diponegoro
ISSN : 1907817X     EISSN : 25500023     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences
Arjuna Subject : -
Articles 627 Documents
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Granulated Biochar–MMT–Zn/Al LDH Composite as a Durable Adsorbent for Column Applications Rahmat Fadhilah; Destria Enjelika; Dedy Anwar; Sudibyo Sudibyo; Asnan Rinovian; Hana Safitri; Lia Nurbanillah Fujianti; Dodi Devitriano; Hutwan Syarifuddin; Anis Tatik Maryani; Yudha Gusti Wibowo
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

Granular adsorbents are essential for fixed-bed column systems because they reduce the pressure drop and minimize the material loss commonly associated with powdered adsorbents. However, transforming powdered materials into mechanically stable granules without compromising their structural integrity remains a significant challenge. In this study, a granulated composite consisting of biochar, montmorillonite (MMT), and Zn/Al layered double hydroxide (LDH) was developed as a potential adsorbent for column application. Biochar derived from Avicennia marina biomass was combined with MMT and Zn/Al LDH to produce a composite material, which was subsequently granulated using bentonite, tapioca starch, and polyvinyl alcohol (PVA) as binding agents. The resulting granules (0.5–1.5 cm in diameter) were evaluated for mechanical durability under static water immersion and dynamic water flow conditions. The results indicate that the binder composition strongly influences granule stability. Granules prepared without PVA rapidly disintegrated in aqueous environments, whereas the inclusion of PVA significantly improved structural durability. The optimized formulation exhibited durability of up to 8208 min under static conditions and maintained its structural integrity under continuous water flow. These results demonstrate the potential of Biochar–MMT–Zn/Al LDH granules as durable adsorbents for fixed-bed column water treatment systems
A Comprehensive Framework for Drainage, Dewatering and Treatment Technologies in Acid Mine Drainage Control Jarwinda Jarwinda; Andrew Andrew; Tiorivaldi Tiorivaldi; M. Khalid Al Hijri; Rully Ernando; Hafid Zul Hakim; Alfath Zain; Leta Lestari; Divia Lestari; Ellyas Alga Nainggolan; Dedy Anwar; Dodi Devitriano; Hutwan Syarifuddin; Anis Tatik Maryani
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Article in Press 2026 (For Upcoming Issue)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

Acid mine drainage (AMD) represents a long-term environmental challenge originating from the oxidation of sulfide minerals and mobilization of dissolved metals into surrounding water systems. This study developed a comprehensive framework for AMD control that integrates drainage prevention strategies, hydraulic engineering, active and passive treatment technologies, monitoring systems, and sustainability principles into a unified approach. The framework synthesizes advances in geochemical mine planning, diversion and dewatering systems, hybrid chemical–biological treatment processes, and emerging technologies, including microbial electrochemical systems, selective metal recovery, and digital twins. A life cycle assessment was applied to evaluate environmental and economic trade-offs, emphasizing the potential for circular economy strategies that convert AMD byproducts into valuable resources. This review highlights the importance of adaptive management supported by real-time monitoring, stakeholder involvement, and robust regulatory structures. By connecting technological innovation with policy and ecological restoration objectives, the proposed framework supports resilient AMD control over the entire mine lifecycle and contributes to sustainable post-closure water management.
PM2.5 Temporal Pattern in Jambi City: Meteorological Drivers and Air Mass Trajectory Analysis Benedy Fajar; Muhammad Damris; Kemas Rahmat Saleh Wiharja; Elma Mutmainnah; Noorlin Mohamad; Rizki Andre Handika
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

Air pollution, particularly particles with a diameter of less or equal than 2.5 micrometers (PM2.5), has become an important global health and environmental problem. Jambi City in Sumatra is highly susceptible to this issue, both locally and particularly influenced by forest fires. As early studies were conducted over a short period, this study examined the meteorological factors that influenced PM2.5 levels and estimated the pollutant transport pathways over two years in the post-COVID-19 period (2023-2024). The methods employed were time-series analysis, scatter-plot evaluation, multiple linear regression analysis, and backward trajectory modeling using HYSPLIT. The results show that the average PM2.5 concentration in 2023 (30.53 µg/m³) was higher than in 2024 (25.36 µg/m³), with night-time levels generally exceeding day-time levels. 3.69% of the days exceeded Indonesia’s daily air quality standard, while 90.83% surpassed the stricter WHO guideline. Meteorological factors explained only 23–38% of PM2.5, with temperature positively correlated, wind speed showing mixed effects, and humidity and rainfall negatively correlated.. The major PM₂.₅ sources influenced by the southeast–South Sumatra, particularly South Sumatra, highlighting the strong stimulus of transboundary emissions alongside local sources. In the future, studies focusing on chemistry-based source apportionment are needed to accurately separate each contributing source.
Analysis of The Implementation of The ISO 14001:2015 Environmental Management System at Manufacture Industry Budi Prasetyo Samadikun; Himawan Aziz Muftiansyah; Nani Anggraini
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

ISO 14001:2015 is an international standard issued by the International Organization for Standardization that regulates Environmental Management Systems (EMS) to help companies manage environmental impacts, comply with regulations, and achieve continuous improvement. Manufacture Industry, a foreign investment company engaged in diesel engine production, implements EMS as part of its commitment to environmental sustainability. This study evaluates the implementation of ISO 14001:2015 by comparing each clause of the standard with actual operational practices within the company. Data were collected through field observations and document reviews. The results show that Manufacture Industry has effectively implemented all clauses of ISO 14001:2015, particularly in waste management, air quality monitoring, and regulatory compliance. However, improvements are still needed in increasing employee awareness regarding the use of PPE in high-risk work areas. This study provides a more practical and structured approach to EMS evaluation by integrating clause-based ISO assessment with real industrial practices, which can serve as a reference for industries in improving EMS performance and operational control.
Characterization of Water Quality and Evaluation of Pollution Levels Around Final Disposal Sites (TPA) Ika Bagus Priyambada; Ariesta Sulistyo Asih; Winardi Dwi Nugraha; Muhammad Bintang Wahyuarta
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Article in Press 2026 (For Upcoming Issue)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

This study evaluates water quality and pollution levels surrounding the Degayu Landfill, Pekalongan City, focusing on nutrient characteristics. Landfills generate leachate containing organic and inorganic compounds that can contaminate nearby water bodies if mismanaged. We conducted a survey by sampling water at several locations around the landfill to analyze nutrient-related parameters, specifically ammonia, nitrite, and phosphate. The data were analyzed descriptively, compared with applicable water quality standards, and assessed using the pollution index method to determine overall water quality status. Furthermore, Spearman correlation analysis identified relationships among these parameters. Results indicate varying nutrient concentrations, with increases at specific locations. The pollution index values suggest a decline in water quality at several observation points relative to established standards. Notably, correlation analysis revealed a strong relationship between ammonia and nitrite, highlighting their role in nitrogen transformation within the aquatic environment. In conclusion, water quality around the Degayu Landfill is demonstrably influenced by nutrient concentration variations, indicating a potential impact on the ecological balance of the surrounding aquatic ecosystem
Evaluating the Environmental Impacts of Thermoplastic Based-Product Manufacturing Using Life Cycle Assessment (CML-IA Midpoint) Rahmad Firnandi; Tanti Utami Dewi; Rizka Amalia; Mirna Apriani
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

The rapid growth of thermoplastic manufacturing in Indonesia, particularly in thermoplastic-based products such as children’s toys, has not been accompanied by sufficient environmental assessment, especially Life Cycle Assessment (LCA). While previous studies have mainly focused on extrusion processes, this study incorporated additional processes, such as spray coating, to provide a more representative evaluation. This study evaluated the environmental impacts of vacuum cleaner manufacturing using LCA with the CML-IA midpoint method. The data were processed using OpenLCA 2.4.1 and the ELCD database. The results indicate that producing one unit of a vacuum cleaner contributes to multiple environmental impact categories, including acidification (0.001 kg SO₂-eq), eutrophication (0.0001 kg PO₄³⁻-eq), Freshwater Aquatic Ecotoxicity (0.001 kg 1,4-DB eq), and Global Warming Potential (4.208 kg CO₂-eq). Additional impacts were identified in Human Toxicity (0.406 kg 1,4-DB eq), Marine Aquatic Ecotoxicity (2558.698 kg 1,4-DB eq), Photochemical Oxidation (0.000025 kg C₂H₄-eq), and Terrestrial Ecotoxicity (0.041 kg 1,4-DB eq). Among these, Marine Aquatic Ecotoxicity emerged as a dominant contributor because of the presence of hydrogen fluoride released into the environment during the spraying process. To address this issue, mitigation measures, such as substituting inorganic paints in the spray coating process with organic or ecolabel-certified alternatives, have been proposed
Effects of Steam Pretreatment and Delignification Time on Balsa Wood Polyvinyl Alcohol Composites Sena Maulana; Fajar Aditya Julyatmojo; David Raja Endar Ambarita; Laras Widi Setia Ningrum; Jabosar Hamonangan Panjaitan; Muhammad Iqbal Maulana; Sarah Augustina; Muhammad Aizat Abdul Ghani
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

The effect of controlled steam pretreatment on polyvinyl alcohol/balsa wood composites was investigated. Controlled steam was applied prior to subsequent sodium chlorite-acetic acid delignification of balsa wood and its impregnation with polyvinyl acetate (PVA). Low-density balsa veneers were either not subjected to steam or were steamed at 126 °C for 1 h. Wood delignification was carried out in a 1% solution of sodium chlorite-acetic acid at 80 °C for 45, 90, or 180 min. The samples were further bleached in a 3% hydrogen peroxide solution and vacuum-impregnated with 5% PVA. The Wood-PVA system was monitored using color, tensile, FTIR, and X-ray diffraction analyses. The steam-pretreated and delignified for 90 min sample (90S) exhibited the best characteristics, showing a tensile strength of 3.39 MPa and Young’s modulus of 112.36 MPa. The obtained data indicated continuous removal of lignin and hemicellulose, much stronger PVA-cellulose interactions, and preservation of cellulose in its native cellulose I state without a significant decrease in crystallinity. The proposed treatment represents a reproducible way to convert balsa wood into a stiff, formaldehyde-free, and low-density composite material available for implementation in modern building technologies.
Performance Test of Environmental Odour Measurement Instrument Dede Heri; Arief Sabdo Yuwono; Erus Rustami; Daranrat Jaitiang
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

Environmental odour assessment is important for evaluating air quality and community amenity; however, conventional dynamic dilution olfactometry requires specialised laboratory facilities and costly equipment, limiting its use for routine field monitoring. This study developed and evaluated a direct-airflow environmental odour measurement instrument that delivers ambient air directly to panellists without dilution. The instrument was designed to operate at an airflow velocity of 1 m/s, selected through climatological analysis, panellist preference testing, and technical verification against ASHRAE Standard 55 and EN 13725:2022. Eight screened panellists assessed ambient air, n-butanol, and ammonia using the Yuwono Hedonic Scale under field conditions. Instrument performance, panellist consistency, and the influence of meteorological conditions on odour perception were evaluated. The selected airflow velocity of 1 m/s yielded the highest ratings for odour detectability, comfort, and ease of assessment. Repeated ammonia measurements (3.4–3.5 ppm) produced highly consistent hedonic scores (−3.2 to −3.0), while ammonia concentration and hedonic scores followed a logarithmic relationship (R² = 0.9994). Mean hedonic scores for ambient air (−0.1), n-butanol (−1.3), and ammonia (−3.1) confirmed consistent panellist discrimination of odour characteristics.
Sustainable Management and Community Willingness to Pay for Communal Wastewater Services in Yogyakarta Hashfi Hawali Abdul Matin; Julianatasya Tantri Damayanti; Siti Rachmawati; Sapta Suhardono; Lia Kusumaningrum; Budiyono Budiyono; Callista Fabiola Candraningtyas
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

Domestic wastewater discharge into rivers remains a persistent environmental and public health challenge in rapidly urbanizing regions of developing countries such as China. Although communal wastewater treatment systems have been increasingly implemented, empirical studies integrating community willingness to pay (WTP), behavioral determinants, and sustainability planning are limited. This study analyzes community willingness to pay for communal wastewater treatment services and formulates sustainability-oriented strategies for the Sewon Communal Wastewater Treatment Plant (WWTP) in the Special Region of Yogyakarta, Indonesia. A mixed-methods approach combined a survey of 100 households with interviews and a document analysis. WTP was estimated using the contingent valuation method with a payment card format, while behavioral determinants were examined using covariance-based Structural Equation Modelling (SEM) with AMOS. Strategic formulation was conducted using SWOT analysis supported by IFAS and EFAS matrices based on validated SEM results. The results indicate a positive willingness to pay, with a mean of IDR 7,114 and a median of IDR 7,500. The SEM revealed that supporting institutional factors significantly influenced the WTP (X4 = 0.664; p < 0.01), whereas environmental perception and inhibiting factors were not statistically significant. These findings highlight the decisive role of institutional strength in ensuring the financial sustainability of the communal wastewater service
Integrated Hydrological–Empirical Modeling for Lake Water Balance Estimation in a Data-Scarce Volcanic Catchment Lintang Nur Fadlillah; Afifudin Afifudin; Firdaus Rakhman Saputra; Sri Utami; Kim Deong Hyeon
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 23, No 2 (2026): July 2026
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v0i0.%p

Abstract

Menjer Lake has undergone various human interventions, such as land use change and hydropower consumption, but has no water level monitoring data in its small catchment area of 2.7 km² and steep morphology. Thus, the objective of this study was to integrate a hydrological model with an empirical model to estimate the water balance of a lake in a data-scarce catchment. The results indicate that the runoff model for an ungauged river demonstrates the good performance of the hydrological model using the Soil and Water Assessment Tool (SWAT) based on its similarity to observed rainfall (R² = 0.93). However, the lake water balance is very complex because of multiple input and output sources. Moreover, land-use change had no significant impact on runoff, as no anomaly was found in the runoff model results. Under existing conditions, artificial inflow plays a significant role in the water balance input and output of Menjer Lake. The artificial inflow covered 76% of the water input, with an outflow of 12.3%, preventing any deficit phase. Overall, this study underscores the importance of considering manual calibration with rainfall data in data-scarce areas. The good correlation between rainfall-runoff shows that this model is also acceptable

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