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INDONESIA
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
Life Cycle Analysis of Coal and RDF Utilization as Energy Sources for Industry: A Comparative Study of Environmental Impacts Nurseta, Dimastyaji Yusron; Bigita, Adora Salsa; Damayanti, Alvina; Nugroho, Aprianto Tyas Dwi; Andini, Aulia Mutiara; Firdausi, Bq. Nurul Maghfira Agni; Wati, Hessy Rahma
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.v22i2.330-348

Abstract

This study utilized an LCA approach to comparatively analyze the environmental impact of using coal and RDF as industrial energy sources. Coal, which constitutes the foundation of Indonesia's economy and its primary energy source, has resulted in substantial emissions. In response to this challenge, RDF has emerged as a promising alternative fuel made from municipal waste with a calorific value equivalent to coal. The findings of this research consistently demonstrate that RDF exhibits a considerably diminished environmental impact profile in comparison to coal, across a wide range of evaluated impact categories. For instance, RDF contributes a mere 2% to terrestrial and freshwater aquatic ecotoxicity, whereas coal contributes 98%. RDF exhibits a minimal contribution to acidification potential, eutrophication, ozone depletion, and human toxicity. The novelty of this research lies in its in-depth comparative analysis of the environmental impacts of coal and RDF using LCA with gate-to-gate boundaries, as well as the identification of key impact points (hotspots) in each energy production process. These findings serve to reinforce the argument that RDF is a more sustainable and environmentally friendly energy option for Indonesia's industrial sector.
The Relationship Between Food Waste Management and Fly Density Level at Padang Restaurants in Tembalang District, Semarang City Paramitha, Sekar Sandya; Sulistiyani, Sulistiyani; Dewanti, Nikie Astorina Yunita; Suhartono, Suhartono
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.v22i2.464-475

Abstract

Padang restaurants have become one of the favorite places for residents of Tembalang District because of the distinctive taste of the food they serve. However, many Padang restaurants have not managed their waste properly. This study aimed to determine the relationship between waste management and fly density levels at Padang restaurants in the Tembalang District. This was an analytical study with a cross-sectional design. The study was conducted from October to December 2023. The research sample consisted of 45 Padang restaurants selected using total sampling technique. The results show that most food waste comes from customer plate waste (60%) with rice being the most wasted food type (37.8%). The majority of restaurants have a relatively poor waste sorting category (68.9%) but mostly the waste containers meets the requirements (75.6%). Fly density levels in Padang restaurants mostly are still categorized as high (53.5%). Waste containers is associated with fly density levels (p=0.030), while waste sorting is not associated with fly density levels (p=0.057). It could be concluded that waste containers without lids with insufficient capacity are associated with fly density levels at Padang restaurants in Tembalang District.
Analysis of Irrigation Water Balance in Garum and Jatisari Irrigation Area, Ngajum, Malang Regency Qomariyah, Dhea Nur; Masitoh, Ferryati
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.v22i2.448-463

Abstract

The irrigation water requirement must be balanced with the available water to support plant growth and increase agricultural production. Therefore, information regarding the amount of water needed and its availability is essential for irrigation activities. This research analyzed the water flow availability at the Garum DAM intake using the Weibull method, irrigation water requirement in the Garum and Jatisari irrigation areas using Cropwat 8.0 software (Penman-Monteith Method), and water balance between water availability and the irrigation water requirement of the Garum and Jatisari irrigation areas using a comparative method. The data used included intake flow, climate, rainfall, soil, and plant data. The results of this study show that the water flow available at the Garum DAM intake tends to be high in the rainy season and will tend to be lower in the dry season. Furthermore, the water requirement in the Garum and Jatisari irrigation areas tends to be high during the dry season and decreases during the rainy season. The water balance shows that the water available at the Garum DAM intake cannot fulfill the irrigation water requirement of the Garum and Jatisari irrigation areas. This is because of the lack of a water deficit in certain months.
Characteristics of Domestic Wastewater from Shopping Centres, Office Buildings, and Hospitals in Jakarta, Indonesia Herman, Anggit; Firdaus, Najmi; Pancawati, Juwarin; Abidin, Thoriq
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.v22i2.510-527

Abstract

Understanding the characteristics of domestic wastewater is crucial for designing effective wastewater treatment facilities that comply with regulatory standards. This study examined key parameters, including pH, BOD, COD, TSS, oil and grease, ammonia nitrogen, and total coliform, outlined by Indonesia’s Ministry of Environment and Forestry (MoEF) under their regulation. Samples were collected monthly over a 12-month period from three types of facilities: shopping centers, office buildings, and hospitals. The results indicated significant variability among the sites. The shopping center recorded the highest concentrations of BOD and TSS, with values of 231 mg/L and 366 mg/L, respectively, while the hospital showed elevated COD levels, reaching 725 mg/L. Its processing requires a wastewater treatment plant that aims to reduce various parameters that exceed the threshold based on the Regulation of the Minister of Environment and Forestry of the Republic of Indonesia Number P.68 /Menlhk/Setjen/Kum I/8/2016 on Domestic Waste Quality Standards. These findings underscore the need for tailored wastewater treatment approaches based on facility type to mitigate environmental impacts and maintain water quality standards. 
CuO-CeO₂ Photocatalysis for the Degradation of Remazol Textile Dyes Rositasari, Putri Redita; Pramesti, Thineza Ardhea; Rachmanto, Tuhu Agung; Amalia, Aussie
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.v22i2.420-431

Abstract

Water pollution, particularly from textile industry waste, has become an increasingly significant environmental issue. Textile waste, especially synthetic dyes, contributes substantially to water pollution because of its complex structure and low biodegradability. Dyes such as Remazol Brilliant Red and Remazol Turquoise Blue, which are commonly used in the textile industry, are stable, toxic, and difficult to degrade biologically. One promising approach to address this issue is photocatalysis using photocatalysts such as CuO and CeO₂, which possess high degradation capabilities for organic contaminants. This study explored the effectiveness of CuO-CeO₂-based photocatalysts in degrading Remazol Turquoise Blue and Remazol Brilliant Red dyes. Photocatalysts were synthesized with varying CuO-CeO₂ concentrations, and degradation tests were conducted using UV light to observe dye degradation. The results show that the CuO-CeO₂ photocatalysts at a concentration of 25% achieved the highest degradation efficiency, with nearly 41.5% removal of Remazol Turquoise Blue and 26.1% removal of Remazol Brilliant Red after 120 min. Increasing the photocatalyst concentration increases the number of active sites, accelerating the degradation process. However, there is a limitation at very high concentrations because of the potential for catalyst particle agglomeration.

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