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Analisa Perbedaan Kualiatas Udara berdasarkan Parameter Nitrogen Dioksida dan Sulfur Dioksida Sebelum dan Saat Pandemi COVID-19 di Kota Surakarta, Indonesia Sapta Suhardono; Iva Yenis Septiariva; Mega Mutiara Sari
Journal of Sustainable Infrastructure Vol. 1 No. 2 (2022): Environmental Impact of COVID-19 Pandemic
Publisher : Fakultas Perencanaan Infrastruktur, Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61078/jsi.v1i2.8

Abstract

Pandemi COVID-19 secara tidak langsung merubah mobilisasi masyarkat di perkotaan. Salah satu kota yang mengalami perubahan tersebut adalah Kota Surakarta. Mobilisasi kendaraan merupakan hal yang dapat dilevaluasi, salahs satu cara mengevaluasi hal tersebut adalah dengan melihat kualitas udara. Tujuan dari penelitian ini adalah melihat perbedaan kualitas udara sebelum dan saat pandemi COVID-19 di Kota Surakarta. Adapun metode yang digunakan adalah dengan mengalisa secara kuantitatif dengan analisa varian (ANOVA). Parameter kualitas udara yang dilihat dalam studi ini adalah Nitrogen dioksida dan Sulfur dioksida. Berdasarkan analisa data di tiga ruas jalan Nitrogen dioksida cenderung meningkat pada dua ruas jalan di Kota Surakarta. Sedangkan konsentrasi Sulfur dioksida cenderung menurun dari tahun 2019 ke tahun 2020. Analisa ANOVA memperlihatkan ada perbedaan yang signifikan (sig<0.05) konsentrasi parameter udara tahun 2019 ke tahun 2020.  
Current Situation of Solid Waste Management to Archive Sustainability in Klungkung Regency, Bali Sapta Suhardono; Iva Yenis Septiariva; Wisnu Prayogo; I Wayan Koko Suryawan; Mega Mutiara Sari
Journal of Sustainable Infrastructure Vol. 2 No. 1 (2023): Environmental Protection
Publisher : Fakultas Perencanaan Infrastruktur, Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61078/jsi.v2i1.14

Abstract

Most of the area in Klungkung Regency has a waste management system that needs to meet technical requirements regarding the compartment, sorting, collecting, transporting, and processing. Coverage of handling urban waste is still far from the target of 80% in 2019 (46% in 2013), and the amount of waste generation that is still recycled is still minimal (4.95 m3 in 2017). This research aims to make a master plan or strategy implemented to improve service coverage and the quality of solid waste management in the future. This research was conducted by conducting a direct survey and secondary data collection. The strategy adopted is to increase the utilization of waste infrastructure and facilities; increasing the capacity of solid waste facilities according to service targets; improving the quality of landfill management in the direction of sanitary landfills; developing regional final processing site management, and applying waste handling technology that is appropriate and environmentally friendly. The Millennium Development Goals (MDGs) contain the seriousness of improving sanitation conditions, which require increased public access to sanitation facilities in half of the population without access to sanitation. Increased population access to proper sanitation (domestic wastewater, solid waste and environmental drainage) to 100% at the level of basic needs.
Waste Recycling Processing in Indonesian Tourist Attractions: Problems and Challenges of Implementing Legal Policies Restricting Plastic Use I Wayan Koko Suryawan; Sapta Suhardono; Mega Mutiara Sari; Iva Yenis Septiariva
Jurnal Ilmu Lingkungan Vol 22, No 4 (2024): July 2024
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.22.4.1067-1077

Abstract

Efficient waste management remains a pivotal challenge at Indonesian tourist sites. This study conducts a literature review to dissect the prevalent issues and necessary policy interventions in recycling waste within these locales. Results reveal that current policies on plastic usage are inadequately enforced, largely due to insufficient awareness and stakeholder engagement. Key barriers include a lack of infrastructure, minimal community participation in recycling initiatives, and limited regulatory oversight. To address these issues, the study suggests amplified enforcement of existing plastic regulations, enhancement of waste management infrastructure, and a boost in community involvement. The study advocates for a cohesive approach involving government authorities, tourism businesses, waste management entities, and local communities to heighten accountability and environmental stewardship. It is posited that with collective effort, waste management in Indonesian tourist spots can be significantly improved, thus yielding environmental and social dividends.
Composting as a Strategy for Biodegradable Marine Debris Reduction and Management in Jakarta Mega Mutiara Sari; Takanobu Inoue; Regil Kentaurus Harryes; Kuriko Yokota; Iva Yenis Septiariva; Sapta Suhardono; Shigeru Kato; Suprihanto Notodarmojo; I Wayan Koko Suryawan
International Journal of Marine Engineering Innovation and Research Vol. 9 No. 1 (2024)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v9i1.5046

Abstract

This study explores the potential for managing biodegradable marine debris waste in Jakarta City through composting, aiming to reduce and treat this waste effectively. In Jakarta, river debris predominantly consists of materials that degrade easily and are biodegradable. Composting represents the most straightforward method for processing this type of organic waste. The study's objective was to evaluate the feasibility of composting organic biodegradable river debris as a waste management strategy. Data collection was conducted at Emplacement Pluit, utilizing random sampling with the four quadrants method. Out of the total river debris generated daily, which amounts to 309 m³, approximately 9.07 m³/day was found suitable for composting. The composting process resulted in a significant reduction of river debris volume by 50.15% within a 30-day detention period. This process was facilitated by mesophilic microbial activity at temperatures between 30-38°C. During the first two weeks, the composting environment remained acidic until the pH stabilized to a normal range between 6.8 and 7.49. A notable observation was the high initial water content of the river debris, recorded at 53.846%, which only reduced to 42.857% by the end of the 30-day decomposition period. Therefore, a pretreatment step is recommended to optimize the water content before composting. Despite these challenges, the compost produced met the required standards set by SNI 19-7030-2004. This study underscores the importance of managing biodegradable organic waste at its source to alleviate the burden on landfills, which are currently operating beyond their capacity.