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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 587 Documents
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Determination of Critical Indicators for Community-Based TPS 3R Performance Siti Ainun Saleh; Mohamad Rangga Sururi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 2 (2024): July 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i2.622-637

Abstract

The Ministry of Public Works and Public Housing (Kementerian Pekerjaan Umum & Perumahan Rakyat – PUPR) has developed a guideline for assessing the performance of Waste Processing Sites in terms of Reduce, Reuse, and Recycle (Tempat Pengelolaan Sampah Reuse, Reduce, dan Recycle - TPS 3R) across five waste management aspects: regulations, technical technology, management institutions, finance, and community participation. The guideline includes parameters and indicators, but their definitions are not clearly specified, leading to various interpretations. This study aimed to identify the key indicators for measuring the performance of TPS 3R. The study involved defining and determining sub-indicators for each aspect using the constructive alignment concept to ensure clarity in measurement. These sub-indicators were consolidated into a set of questions for use in field data collection. The developed guidelines were applied to evaluate TPS 3R performance in West Java, using a comparative study and descriptive analysis for the evaluation. The study identified the critical indicators for each aspect as follows: (i) waste segregation for community participation, (ii) complete waste processing (sorting, organic waste processing, and inorganic waste handling) for technical aspects, and (iii) active management (waste and financial records) for management institutional aspects. These critical indicators not only influence the financial aspect but also provide economic support for the sustainability of TPS 3R.
Utilization of Sidoarjo Volcanic Mud as Heterogeneous Catalyst in Persulfate Oxidation Process Khairunnisa Faza Nisrina; Sandyanto Adityosulindro; Lucky Caesar Direstiyani
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 2 (2024): July 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i2.369-380

Abstract

Advanced Oxidation Processes (AOP), such as persulfate oxidation is a promising contaminant removal agent for treating wastewater. In this study, Sidoarjo volcanic mud (VM) was applied as heterogeneous catalyst to support the persulfate oxidation process for Congo Red (CR) dye removal. The Sidoarjo volcanic mud is known to have a high iron content, making it a potential catalyst in AOP. This study was conducted under conditions of pH 2, CR 50 mg/L, and catalyst dosage 0.5 g/L  and effective reaction volume of 300 mL. This experiment was conducted by comparing three types of catalysts: unmodified volcanic mud (UVM), impregnated volcanic mud (Fe-IVM), and calcined volcanic mud (CVM). The methods were carried out by comparing two methods, namely simultaneous and sequential. The obtained CR removal values for UVM, Fe-IVM, and CVM catalysts were 83.73%, 78.86%, 51.96% for simultaneous and 84.75%, 81.72%, and 87.69% for sequential method. Whereas the UVM catalyst has the highest CR removal value with a lower adsorption value of 16.89%. The production of sulfate radical analyzed by comparing the oxidation process of homogeneous and heterogeneous catalysts. It was shown that the application of VM catalyst as heterogeneous catalyst is very promising for dye removal in wastewater treatment. 
Technical Feasibility Analysis of Processing Food Waste into Organic Fertilizer with Black Soldier Fly Composting Method Astuti, Ulvi Pri; Setiani, Vivin; Putri, Anindya Taffana; Hayati, Debby Zintya; Fadilla, Laras Nur; Aviantari, Maura Diza; Setyawati, Emeralda Eka Putri
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 3 (2024): November 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i3.747-758

Abstract

Food waste is a major issue in Indonesia, accounting for 41.97% of waste generated. This untreated waste can lead to the production of greenhouse gases. However, food waste has the potential to be composted due to its high nutrient content. The purpose of this study was to analyze the technical feasibility of processing food waste using the Black Soldier Fly (BSF) composting method for organic fertilizer production. The study used variations of fish waste and reject milk as composting mixtures, with percentages of 100% food waste, 70% food waste and 30% cow manure, and 30% food waste and 70% fish waste. The dimensions of the BSF composting reactor were 56 cm x 43 cm x 20 cm. The research was conducted for 15 days with the addition of local microorganisms (MoL) to accelerate the degradation process. Various parameters such as pH, moisture content, C-Organic, nitrogen, phosphorus, and potassium were analyzed. The results showed that all variations met the required compost quality standards, it which was technically feasible to be used as organic fertilizer using the BSF composting method. The results of this study can improve the circular economy because compost and bsf larvae products have many benefits if traded.
The Effect of Pollution Source Distance, Construction, and Behavior of Dug Well Users on Total Coliform Content Kirana Nurul Arifiani; Sunarto Sunarto; Siti Rachmawati
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 2 (2024): July 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i2.446-454

Abstract

Dug well is a water source that is located relatively close to the ground surface so it is prone to pollution. This research aims to analyze the effect pollution source distance, construction and behavior of dug well users on total coliform content in Karangturi Village. Data collection was carried out by examining samples of dug well water in the laboratory, observing and measuring well construction, and using questionnaires to measure the behavior of well users. The research results show that 23 (95.8%) wells have a total coliform >0 MPN/100ml and 1 (4.2%) well have a total coliform content of 0 MPN/100ml. Simultaneously (p value=0.106) the variable distance to the pollutant source and partially (p value= 0.998) each livestock pen and septic tank variable do not have a significant influence on the total coliform content. Simultaneous well construction (p value= 0.489) and partially (p value= 0.999) of each well construction variable did not have a significant effect on the total coliform content. The behavioral variable simultaneously (p value= 0.346) and partially the knowledge variable (p value= 1.000), the attitude variable (p value= 0.999), and the attitude variable (p value= 0.999) did not have a significant effect on the total coliform content.
Determining the Location of Solar Power Plant in Indonesia Using Fuzzy-AHP TOPSIS Putri Monika Pratami; Yelita Anggiane Iskandar; Nur Layli Rachmawati
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 2 (2024): July 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i2.543-557

Abstract

Solar is a promising renewable energy source for Indonesia's increasing electricity demand, which grows at the rate of 3.3% annually. However, high investment costs and unclear policies hinder Solar Power Plant (SPP) development. Considering the potential for growth in energy demand and the low long-term operational costs, it is imperative to foster SPP expansion in Indonesia. This study aims to identify location criteria and potential SPP development sites in Indonesia. We employ Multi-Criteria Decision-Making (MCDM) combining Fuzzy-AHP and Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) methodologies to assign criteria weights and prioritize alternative SPP locations. Results show that, from all respondents using the geometric mean in the Fuzzy Analytic Hierarchy Process (AHP), it is found that the Economic criteria give the highest weight at 31%, and subcriteria of Land Availability, Peak Sun Hours, Geographic Location, Distance from Transportation Networks, Construction Costs, and Government Regulations contribute significantly. The ranking of alternative solutions indicates that South Sumatra Province holds the highest priority for SPP development with a 0.572 score, closely followed by North Sumatra at 0.571
Determination of Air Quality Protection and Management Strategic Area : Case Study of Tangerang City Bontong, Septepanus Gala; Permadi, Didin Agustian; Benjamin, Precious
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 3 (2024): November 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i3.852-868

Abstract

Metropolitan cities are often associated with anthropogenic activities that affect air quality. Tangerang, as a buffer city in the Greater Jakarta area, needs control strategies to tackle  severe air pollution problem. Government Regulation No. 22/2021 requires the establishment of Air Quality Protection and Management Areas (AQPMA) in every city, including Tangerang. The determination of AQPMA involve emissions inventories, air quality, population density, land use, and meteorological conditions, using secondary data and air quality modeling with AERMOD. The results of the emission inventory show that the largest contribution comes from the manufacturing and road transportation industries, with NOx 19,747, CO 556,341, PM10 27,001, PM2.5 22,080, SO2 2,233, and NMVOC 295,482 (in Gigagrams/year). The result of the air model  then accordance with measurements at AQMS Pasir Jaya in 2022. The average annual concentration results at this station are NOx 35, CO 1,200, PM10 38, PM2.5 39, and SO2 7.5 (in μg/m3). Ciledug is the sub-district with the highest population density, which is 19,233 people/km2. Based on AQPMA scores, eight very high-risk sub-districts must be a priority in mitigating clean air in Tangerang. A similar approach can be used in other cities to map vulnerability to air pollution as mandated by AQPMA.
Microbiologically Induced Corrosion (MIC) of Carbon Steel in Biodiesel: a Comparative Analysis Junaidi Junaidi; Tjandra Setiadi; Hary Devianto; Wolfgang Schmahl; Yustina Metanoia Pusparizkita
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 2 (2024): July 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i2.381-389

Abstract

The damaging process known as microbiologically influenced corrosion (MIC) can be triggered by the bioactivities of microorganisms. The occurrence of this phenomenon can be attributed to the presence of biodiesel in carbon steel diesel mixture storage tanks, since the biodegradability of the fuel promotes microbial development and the MIC process. In this work, the effects of different biodiesel concentrations (B0, B15, B20, B30, and B100) on biocorrosion in ST-37 carbon steel caused by three species were investigated. Some of the species confirmed to be involved are S. marcescens, B. megaterium and B. lichenisformis. These three species are undoubtedly able to survive in a biodiesel-based media. In addition to producing EPS, a species that may slow the rate at which carbon steel corrodes, biodiesel can be utilised as a supply of nutrients. Nonetheless, the diverse life cycles of microbes have the potential to accelerate corrosion of carbon steel. The average corrosion rate with the effect of B. lichenisformis is lower than the other two species, notably in the B100, with fewer colonies than S. marcescens and B. megaterium.Some of the species confirmed to be involved are S. marcescens, B. megaterium and B. lichenisformis.
Environmental Performance of Ammonia Production in Indonesia using Life Cycle Assessment Approach Muhammad Rizky Zen; Agus Adi Putra; Michelle Maria Magdalena Napitupulu; Chairunnisa Noviarini; Fano Alfian Ardyansyah; Cahaya Prautama
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 2 (2024): July 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i2.480-491

Abstract

Ammonia is a fundamental component in fertilizer and chemical manufacturing processes around the world, but its production is a significant contributor to CO2 emissions in chemical industry. Implementation of carbon capture utilization and storage (CCUS) offers an alternative decarbonisation strategy to mitigate CO2 emissions in ammonia production. This study assesses the environmental performance of ammonia production through life cycle assessment (LCA) methodology. Environmental impacts are calculated using openLCA software with various impact assessment methods, including CML IA Baseline, Impact 2002+, Recipe 2016 Midpoint (H), and AWARE. The study scope encompasses the cradle-to-grave analysis, from the extraction of raw materials and transportation to ammonia production, main processes, distribution, and consumer product consumption, with a declared unit of 1-kg ammonia product. Our findings showed that CO2 removal and Power Plant in core processes in the core process as the most significant contributors to Global Warming Potential. Therefore, sensitivity analysis was conducted by reducing CO2 emission by 10% and 70% through CCUS implementation. The results showed that the CCUS implementation could reduce Global Warming Potential by up to 43%.
Strengthening Institutional Capacity of the Hulun Hyang Farmer Group for Advancing the Edelweiss Flower Agroecosystem: a Case Study in Edelweiss Park, Bromo Tengger Semeru National Park, Indonesia Rahma, Melati Julia; Faronny, Danniary Ismail; Batoro, Jati; Karyawati, Anna Satyana; Putro, Agung Nugroho; Waluyo, Budi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 3 (2024): November 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i3.950-961

Abstract

The escalating demand for Edelweiss flowers as souvenirs due to tourism development threatens their availability and economic value, impacting the indigenous Tengger community, which relies on these flowers for irreplaceable traditional offerings. The Hulun Hyang farmer group was established in 2017 under the guidance of the national park to conserve Edelweiss flowers, and subsequently obtained a cultivation permit from the Ministry of Environment and Forestry. However, the sustainable management of Edelweiss Park necessitates bolstering the group's institutional capacity as a critical agent in its development. This research examines the endogenous growth and active participation of the Hulun Hyang farmer group to strengthen their institutional capacity, enabling the establishment of deeply rooted and locally responsive mechanisms. Community development initiatives aim to foster economically and socially independent communities by enhancing agroecological management capacity by employing a strategic group development approach. Findings indicate that the institutional capacity of farmer groups is directly influenced by member dynamism and participation and indirectly impacted by leadership, member capacities, the role of extension workers, external support, and farmer characteristics. Consequently, efforts to augment the group's institutional capacity focus on promoting member dynamism and active engagement in group activities.
Delineation of Irrigation Network Performance in Subak in South Denpasar District, Bali Province Ardana, Putu Doddy Heka; Pamungkas, Tri Hayatining; Agustin, Elin Alviana; Syamsunur, Defrizon
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 3 (2024): November 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i3.936-949

Abstract

Massive conversion of agricultural land into built-up land occurred in South Denpasar District. These changes impacted the decline in rice production by 5.5% in 2023 and a decrease in the performance of the irrigation network. This study employs GIS to assess the efficacy of irrigation networks to enhance sustainable agriculture, community food security, and irrigation and subak network systems in South Denpasar. This study used spatial analysis to create an irrigation network performance map. Data analysis interprets primary data based on field observation to assess the irrigation network's physical condition. The irrigation network is divided into four levels: good, slightly damaged, medium damaged, and badly damaged. The study indicated that Subak Sesetan disintegrated since it was thought to have turned into a village. The land conversion reduced the 292.593 Ha of subak (Kerdung, Cuculan, Kepaon, and Sesetan) to 186.314 Ha, or 36.32%. The length of irrigation canals was 16.901 Km, with good conditions along 16.67 Km or 98.61%, slightly damaged conditions along 0.051 Km or 0.3%, and moderately damaged conditions along 0.1842 Km or 1.09%. This research should help South Denpasar District stakeholders decide on land-use change strategies and rehabilitation or irrigation network development priorities.

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