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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 25 Documents
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Search results for , issue "Vol 22, No 2 (2025): July 2025" : 25 Documents clear
Atmospheric Microplastic Particulate Matter in an Urban Roadside: Case of Bandar Lampung City, Indonesia Sari, Novi Kartika; Mawaddah, Nurul; Shiddiq, Muhammad Daffa; Alam, Firdha Cahya; Fajar, Mutiara
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.561-576

Abstract

Atmospheric microplastics (AMPs) have become a growing concern in recent years, although research remains limited. This study investigated AMPs in Bandar Lampung City, Indonesia, by roadside particulate sampling using a High-Volume Air Sampler (HVAS) over eight hours in industrial zones, residential areas, busy roads, and city centers. AMPs were identified through visual analysis for their abundance and physical characteristics. Certain samples were further examined with Raman spectroscopy. Total Suspended Particulate (TSP) levels ranged from 16.96 to 427.8 μg/m³, with the highest concentrations in industrial areas. Microplastic concentrations ranged from 0.0021 to 0.0199 particles/m³, with fibrous microplastics most common. Blue and grey (faded black) microplastics were the most prevalent, with particles between 500-1000 µm making up 42% of the total. Raman analysis detected Polyethylene terephthalate (PET). In S4 (city center), the highest vehicle count was 3,388±270 vehicles/day, while S2 (residential area) recorded the lowest at 1,166±99 vehicles/day. No significant relationship was found between TSP levels, microplastic concentrations, or vehicle numbers. However, Northern area may be potential sources of AMPs along traffic flow. 
Analysis of Heavy Metals Pb and Mn in River Water at Putri Cempo Landfill Matin, Hashfi Hawali Abdul; Setyono, Prabang; Dzihni, Asfi; Adiningsih, Aulia Rahmatya; Agustina, Aulia Tsalatsa; Rahmadhani, Sakina Enova; Al-Dzahabi, Muhammad Adib; Kencanawardhani, Larasati Gumilang
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.600-609

Abstract

Waste is a crucial issue with far-reaching impacts on the environment, public health, and economy. The Putri Cempo landfill receives waste from Surakarta City. Waste can pollute the river near the landfill, given the location of the river that adjoins and is close to residential areas. The purpose of this research was to analyze the river water quality around the Putri Cempo landfill for heavy metals Pb and Mn. The research was conducted by taking samples directly from the river and then analyzing the heavy metal content. The results were compared with river water quality standards according to Indonesian Government Regulation 22/2021. The results showed that the Pb content in river was -0.02392344 mg/L and Mn was 4.206021703 mg/L. From these results, the Pb content in the river did not exceed the quality standard limit, whereas the Mn content exceeded the quality standard limit. It can be concluded that the river water around Putri Cempo landfill has been contaminated with Mn. Heavy metals in high levels can harm living things and the environment, can cause death to aquatic biota and plants, disease in humans, degrade water quality and damage river aesthetics. Further evaluation of stakeholders is required to address heavy metal pollution
Sustainability Literacy on Food Waste Education: A Preliminary Study Rachman, Indriyani; Saldiana, Nur Kamila; Permanasari, Anna
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.610-620

Abstract

Food waste contributes significantly to global greenhouse gas (GHG) emissions and reflects low sustainability awareness, particularly in developing countries such as Indonesia. This study aimed to assess the level of sustainability literacy, comprising knowledge, skills, and values, among vocational high school students in Bogor City within the context of food waste. Using a descriptive quantitative method with 125 respondents, data were collected through a 21-item questionnaire and were analyzed using descriptive statistics. The findings show that while students demonstrated good sustainability skills (76.95%) and values (73.63%), their sustainability knowledge was only fair (57.81%), indicating a cognitive-behavioral gap. Spearman's correlation analysis revealed no significant relationship between sustainability knowledge and skills (ρ = 0.109, p = 0.226), reinforcing the need for holistic and integrative learning interventions. These results underscore the importance of developing interactive, value-driven educational media, such as e-books, to enhance students' environmental literacy and foster sustainable behavior. This preliminary study serves as a foundation for designing contextually relevant educational strategies to support food waste reduction and sustainability education in Indonesia.
Phytoremediation as a Sustainable Solution for Mercury Contamination in Artisanal Gold Mining Sites: Insights from ASGM in South Lampung, Indonesia Danasla, Muhammad Akbari; Anjelita, Chyndy; Julyanto, Rizqi Arbi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.432-447

Abstract

Artisanal and small-scale gold mining (ASGM) contributes significantly to mercury contamination, posing severe environmental and health risks due to the improper disposal and release of mercury into soil and water. This study investigated the potential of phytoremediation as a sustainable solution for mitigating mercury contamination at an ASGM site in XYZ Village, Katibung Subdistrict, South Lampung Regency, Indonesia.  Water and soil samples were collected from the field, and the study was conducted on a laboratory scale. Initial assessments revealed mercury concentrations of 0.367 mg/L in water and 74.8215 mg/kg in soil, both exceeding national regulatory limits. Phytoremediation trials were conducted using Eichhornia crassipes (water hyacinth), Pistia stratiotes L. (water lettuce), and Cyperus rotundus (nutgrass) under controlled conditions. Water hyacinth demonstrated 100% mercury removal efficiency in water within nine days, whereas nutsedge reduced mercury levels in soil by 61.8% over 21 days. The combined treatment of water hyacinth and water lettuce further enhanced mercury removal in the water samples. The results highlight phytoremediation as an effective, low-cost, and eco-friendly strategy for the rehabilitation of mercury-contaminated environments. This can be implemented in other places with similar conditions. Future research should focus on optimizing phytoremediation techniques and integrating them into community-based environmental management.
Analysis of Cikakembang River Water Quality Using the Pollution Index, STORET, and CCME-WQI Methods Fitriana, Finna; Yudianto, Doddi; Seo, Yong Chan
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.485-496

Abstract

River pollution is a significant environmental issue driven by urban growth and industrialization. The Cikakembang River, a tributary of the Citarum River in the Majalaya industrial area, receives wastewater from densely populated residential areas and textile manufacturing industries. Accurate assessment and monitoring of surface water quality are crucial to ensure its safe utilization. This study investigates the the Cikakembang River's water quality using the Pollution Index, STORET, and CCME-WQI methods, evaluating 14 water quality parameters across nine sampling locations during both wet and dry seasons to capture seasonal differences. The results reveal that the river fails to meet Class II water quality standards as outlined in Government Regulation No. 22 of 2021. While the Pollution Index classified contamination as mild to moderate, both STORET and CCME-WQI consistently indicated severe pollution across all sites and seasons. These findings suggest that STORET and CCME-WQI provide a more comprehensive assessment of pollution severity than the PI method, which may underestimate cumulative water quality degradation. This study highlights the urgent need for enhanced pollution control measures and stricter regulatory enforcement to mitigate further degradation of the Cikakembang River and improve its long-term sustainability. 
Wastewater Removal Pollutants Using Polyethylene terephthalate Media : Moving Bed Biofilm Reactor Muliyadi, Muliyadi; Purwanto, Purwanto; Sumiyati, Sri; Budiyono, Budiyono; Sudarno, Sudarno; Warsito, Budi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.405-419

Abstract

The increasing wastewater necessitates innovative wastewater treatment methods, such as anaerobic MBBR with PET as media, which enhance microbial degradation and biofilm formation. The aim was to analyze the rate of degradation kinetics in anaerobic MBBR reactors for biological wastewater treatment. This research examined three factors: the BOD, COD, and TSS. Domestic wastewater was used in this study. The reactor measured 40 × 40 × 50 cm and had a thickness of 4 mm. The construction was performed using glass material. The operation was performed for 30 days. Microorganisms grew and reproduced on the surface of the plastic bottle cap media during the anaerobic bioreactor seeding process by adding as many local microorganisms as 1.6/70 liters of wastewater. The study revealed that domestic wastewater used for wastewater treatment has BOD, COD, TSS, Ammonia, and Fat contents that exceed the set threshold value. The BOD/COD ratio was 0.55. After acclimatization, the biofilm was fully developed, effectively removing organic contaminants and producing fungal polysaccharides. In conclusion, the study of substrate concentration and degradation kinetics is crucial for system design and operation, emphasizing the need for substrate optimization to enhance microbial activity.
Noise Evaluation of the Finalization Phase Construction Project of X Hospital Rahman, Ari; Susanto, Harits Bimo; Qonitan, Fatimah Dinan; Aryani, Eri
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.588-599

Abstract

This research aimed to identify and assess the noise levels at a construction project within X Hospital's B2nd, 5th, 8th, and 9th floors. The study employed a sound level meter according to the Indonesian National Standard (SNI) 7231:2009 to measure noise intensity in the workplace. The primary sources of high noise levels were jackhammers, hammers, portable ventilators, iron-cutting machines, and pipe-cutting tools, with corresponding readings of 148, 114, 95.4, 85, and 85 dB, respectively. To mitigate the potential risks of excessive noise, recommendations were made based on the risk control hierarchy outlined in the Occupational Health and Safety Assessment Series (OHSAS) 18001:2007 for Occupational Health and Safety Management Systems, including equipment substitution, administrative controls, and the use of appropriate personal protective equipment (PPE), such as earplugs. The effectiveness of earplugs, with a noise reduction ratio (NRR) of 30 dB, was highlighted for reducing noise levels below the threshold limit value (TLV) and ensuring worker safety.
Life Cycle Assessment and Material Flow Analysis Research on Electronic Waste in Asia: Trends, Gaps, and Insights Septiariva, Iva Yenis; Suhardono, Sapta
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.670-687

Abstract

The term "electronic waste" or "e-waste" refers to a broad array of discarded electronic products and electrical appliances that have reached the end of their useful lives. These include computers, smartphones, televisions, and refrigerators. Over the past three years, the volume of e-waste has surged, from 24.9 million metric tons (MMT) in 2019 to 33 MMT in 2022, as reported by the United Nations in The Global E-Waste Monitor 2024. This increase is driven by the expansion of the electronics industry and the increased usage of electronic devices. Life Cycle Assessment (LCA) and Material Flow Analysis (MFA) are key methodologies used to assess the environmental impact and material flow of e-waste management, respectively. However, many MFAs fail to track the flow of secondary materials that are reused, recycled, and reduced in the new products. This study addresses these gaps by analyzing e-waste management trends in Asia using a systematic literature network analysis (SLNA). SLNA combines a systematic literature review (SLR) and bibliometric analysis (BA) to offer a comprehensive review from various perspectives. This study aims to identify underexplored topics and trends, provide insights that can shape future research directions, and inform government policies on e-waste management in Asia. 
Effect of Non-Thermal Plasma on Biochar Properties from Sugarcane Bagasse and Banana Peel Dermawan, Denny; Satriavi, Aulia Diva; Nurhidayati, Dyah Isna; Mujiyanti, Dwi Rasy; Novitrie, Nora Amelia; Mayangsari, Novi Eka; Setiawan, Adhi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.349-359

Abstract

Biochar produced from agricultural waste, such as sugarcane bagasse and banana peel, has gained significant attention owing to its potential environmental and industrial applications. This study aimed to enhance the physicochemical properties of biochar derived from these wastes using nonthermal plasma treatment. Biochar was produced via pyrolysis combined with non-thermal plasma treatment and then characterized to identify the differences. Characterization was performed using X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and–Brunauer–Emmett Teller (Brunauer-Emmett-Teller) surface area analysis to evaluate changes in crystallinity, morphology, functional groups, and surface area. Nonthermal plasma treatment significantly altered the surface morphology of biochar, increasing its porosity and surface area. The BET surface area of sugarcane bagasse waste was 0.061 m²/g, which expanded to 87.50 m²/g after changing to biochar, whereas banana peel waste had a BET surface area of 0.007 m²/g, which increased to 427.2 m²/g after changed to biochar. The pyrolysis process on both biochars also reduced OH (hydroxyl) transmittance, as evidenced by FTIR analysis, which indicated water evaporation. Non-thermal plasma treatment substantially improved the physical and chemical properties of biochar compared to untreated biomass.
Corporate Responsibility for Water Disclosure in Improving Environmental Transparency: A Case Study of ASEAN Countries Putri, Tiara Tirta Andrissa; Wahyuningrum, Indah Fajarini Sri; Solikhah, Badingatus
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 2 (2025): July 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i2.633-646

Abstract

This study analyzes water disclosures by leading ASEAN manufacturing firms regarding corporate social responsibility (CSR). The ASEAN region faces considerable environmental challenges, especially in managing water resources, which are increasingly critical owing to the rapid growth of manufacturing sector companies. Purposive sampling was used to analyze 176 secondary data units from sustainability and annual reports of companies listed on the stock exchanges of Indonesia, Malaysia, Singapore, Thailand, and the Philippines between 2020 and 2023. The variables studied include gender diversity, board meeting frequency, government ownership, profitability, and company size. The results show that only gender diversity significantly affects the exposure to water. Moderation regression analysis indicates that the CSR Committee strengthens the influence of company size but weakens the influence of other variables. This study makes a theoretical contribution by offering actual data on the intricate function of the CSR Committee in reducing the impact of corporate governance traits on water disclosure. The practical implication is that companies can improve the effectiveness of CSR committees, and the government can formulate policies that encourage sustainable water management through good corporate governance.

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