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All Journal International Journal of Public Health Science (IJPHS) MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Reaktor International Journal of Renewable Energy Development Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan JURNAL TEKNOLOGI LINGKUNGAN Jurnal Kesehatan Masyarakat Jurnal Bahan Alam Terbarukan Jurnal Pengembangan Kota Journal of Environmental Engineering and Sustainable Technology Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) The Indonesian Journal of Planning and Development JTERA (Jurnal Teknologi Rekayasa) IJEMS (Indonesian Journal of Environmental Management and Sustainability) International Journal of Community Service Learning Jurnal Sosial Ekonomi Kelautan dan Perikanan Journal of Environmental Science and Sustainable Development Jurnal Teknologi Lingkungan Lahan Basah International Journal of Hydrological and Environmental for Sustainability Jurnal Teknik Kimia dan Lingkungan Jurnal Teknologi Lingkungan (Journal of Environmental Sustainability Management)
Septiariva, Iva Yenis
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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Comparison of Different Volume Reactor for Batik Wastewater Pre-Treatment with Ozonation to Improve Biodegradability Sofiyah, Evi Siti; Septiariva, Iva Yenis; Helmy, Qomarudin; Notodarmojo, Suprihanto; Suryawan, I Wayan Koko
Reaktor Volume 22 No.2 August 2022
Publisher : Department of Chemical Engineering, Faculty of Engineering, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/reaktor.22.2.42-48

Abstract

Batik is a unique ethnic and heritage textile from Indonesia with low biodegradability (BOD5/COD) and demanding biological wastewater treatment. However, in its application a high biodegradability value is needed. To increase biodegradability the ozonation process can be used as pre-treatment. The purpose of this study is to determine the effectiveness of ozone pre-treatment in color removal, COD removal, and changes in biodegradability. This study was divided into two types of the reactor with a volume of 2 L and 16 L with each dose of 4 mg/min and 40 mg/min. The results of color removal in the reactor with a volume of 2 L showed a value of 85% for color removal and 34.6% for COD removal. The reduction in efficiency occurred in the color removal to 65% in reactor 16 L. The removal of COD with a volume of 16 L was not evenly distributed at each altitude of 43; 35; and 33% (50; 100; 150 cm). Biodegradability increased from 0.143 to 0,49 (2L reactor) and 0.4-0.45 (16L reactor), this allows for the application of higher biological wastewater treatment. Which the NH3-N and total phenol removal efficiencies of 12.9%-31.4% and 3-21.2%, respectively.
Pelatihan Pengolahan Sampah dengan Metode Takakura dan Pembuatan Stringbag bagi Kelompok Anak Usia Dini di Desa Bukit Lawang, Sumatera Utara Prayogo, Wisnu; Novrianty, Irma; Purwanti, Ani; Mulyana, Rachmat; Panjaitan, Nahesson Hotmarama; Fitria, Laili; Awfa, Dion; Ikhwali, Muhammad Faisi; Zamani, Istiqomah Shariati; Arifianingsih, Nur Novilina; Muklis, Muklis; Purnawan, Purnawan; Sunarsih, Sri; Suryawan, I Wayan Koko; Azizah, Rifka Noor; Imami, Ahmad Daudsyah; Septiariva, Iva Yenis
International Journal of Community Service Learning Vol. 6 No. 3 (2022): August 2022
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ijcsl.v6i3.50044

Abstract

Data SIPSN tiga tahun terakhir menunjukkan timbulan sampah di Kabupaten Langkat meningkat 24,71% atau dari yang awalnya 152.099 menjadi 189.685 ton. Lebih dari 42% timbulan sampah disumbangkan oleh sektor domestik yang seharusnya dapat dikelola sedekat mungkin dari sumbernya. Dengan demikian, kegiatan pengabdian kepada masyarakat ini bertujuan memberikan pelatihan agar masyarakat lebih memahami cara mengurangi timbulan sampah dengan mengubahnya menjadi produk yang bermanfaat. Pelatihan dilaksanakan pada 5 Agustus 2021 di Rumah Komunitas Pohon Rindang, Desa Perkebunan Bukit Lawang, kepada 43 anak usia 8-15 tahun. Metode yang digunakan adalah penyuluhan interaktif dengan memberikan demonstrasi cara membuat keranjang takakura dan stringbag. Keranjang takakura 45x37x57 cm dapat menampung hingga 1,5 kg sampah organik basah per hari, sedangkan pembuatan pakaian bekas menjadi stringbag dapat menunda pembuangan material ke TPA. Dalam jangka panjang kegiatan ini diharapkan menjadi kebiasaan baru bagi masyarakat dalam mengelola sampah untuk menjadikan Desa Perkebunan Bukit Lawang sebagai desa pariwisata yang berkelanjutan.
Exploring the Factor and Cluster of Green Building Practices for Urban Liveability: Case Study Jakarta, Indonesia Suhardono, Sapta; Septiariva, Iva Yenis; Sianipar, Imelda Masni Juniaty; Suryawan, I Wayan Koko
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 1 (2025): March 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i1.196-208

Abstract

This study investigates the multifaceted landscape of green building practices, focusing on their factor structure and cluster characteristics concerning environmental responsibility and urban livability. A comprehensive analysis identifies distinct factors and clusters, each representing different dimensions of sustainable urban development. This study embarks on an exploration of the complex domain of green building practices, employing Exploratory Factor Analysis (EFA) and k-means clustering to dissect the factor structure and clustering characteristics pertinent to environmental responsibility and urban liability. The factors encompass environmental sustainability and urban convenience, highlighting the delicate balance between ecological consciousness and urban functionality. Delving into demographic variables like income, higher education, age, and marital status, our findings reveal statistically significant correlations, emphasizing the pivotal role these individual characteristics play in shaping preferences towards green building practices. Specifically, our analysis crystallizes into two primary clusters. Cluster 1 emphasizes the essence of "Environmental Sustainability," marked by a strong inclination towards energy efficiency, sustainable materials, and green spaces, reflecting a commitment to ecological stewardship. In contrast, Cluster 2, denoting "Urban Convenience and Access," underscores the importance of proximity to public transport, shopping centres, and workplaces, encapsulating a desire for accessibility and convenience in urban design.
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. 
Evaluation and Management of B3 Waste Sludge via the Sludge Oil Recovery (SOR) Program at PT. X Plaju Nurdiasna, Widya Reza; Septiariva, Iva Yenis; Suryawan, I Wayan Koko; Sari, Mega Mutiara; Ulhasanah, Nova
Jurnal Teknik Kimia dan Lingkungan Vol. 7 No. 2 (2023): October 2023
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtkl.v7i2.3851

Abstract

With the ever-increasing need for waste management solutions, PT. X Plaju is one of the entities that contribute to B3 waste production, a waste type characterized by its explosive, flammable, reactive, corrosive, and toxic properties. This research centers on the evaluation and management of B3 waste sludge, particularly at PT. X Plaju. The institution implements two licensed B3 waste control programs: the Sludge Oil Recovery (SOR) and used lubricant utilization programs. The SOR program, which focuses on recovering components from oil deposits or sludge, operates under the recovery principle. This study showcases the importance of the oil component in the oil sludge, emphasizing that it must constitute more than 20% of the total volume to be deemed suitable for refinery production. Our findings highlighted a water content of 28.32% within the waste oil sludge. Additionally, the ultimate analysis showcased carbon, hydrogen, and nitrogen compositions of 85.99%, 13.42%, and 0.21%, respectively, while the density was measured at 0.85 gr/cc. This research offers insights into the waste management practices of PT. X Plaju, emphasizing the potential of the SOR program in managing B3 waste effectively.
Kajian laju timbulan sampah di Yogyakarta selama pandemi Covid-19 Suhardono, Sapta; Septiariva, Iva Yenis; Sari, Mega Mutiara; Suryawan, I Wayan Koko
Jurnal Pengelolaan Lingkungan Berkelanjutan (Journal of Environmental Sustainability Management) JPLB, Vol 6, No 3 (2022)
Publisher : Badan Kerjasama Pusat Studi Lingkungan (BKPSL) se-Indonesia bekerjasama dengan Pusat Penelitian Lingkungan Hidup IPB (PPLH-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36813/jplb.6.3.169-179

Abstract

The Covid-19 pandemic has resulted in restrictions on people's daily activities. Including the Yogyakarta area which is famous for its tourism and education center. Changes indirectly allow changes in the rate of waste generation. The purpose of this study was to determine changes in the generation of waste generated in Yogyakarta during the pandemic and before. This study uses secondary data for data on waste generation and population in Yogyakarta City, Sleman Regency, and Gunung Kidul Regency. Analysis was performed using analysis of variance (ANOVA) with software. Waste generation in district areas tends to decrease compared to urban areas. However, judging from the rate of waste generation, the Yogyakarta City tends to decrease, while in the district it is increasing. When viewed from the ANOVA test, there was no significant change in waste generation during the Covid-19 pandemic. This also needs to be a concern where a decrease in waste generation is not always followed by a decrease in the rate of waste generation.
Nature-Based Solutions in Urban Landscapes: Determinants Influencing Willingness to Participate in Composting in Metropolitan Jakarta, Indonesia Mulyana, Rachmat; Suryawan, I Wayan Koko; Ulhasanah, Nova; Septiariva, Iva Yenis; Prayogo, Wisnu; Suhardono, Sapta; Sari, Mega Mutiara; Arifianingsih, Nur Novilina; Buana, Dwinto Martri Aji
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 3 (2024): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.14.3.451

Abstract

Amidst the rapid urbanization of Jakarta, the adoption of Nature-based Solutions (NbS) like composting offers a sustainable pathway for waste management and environmental rejuvenation. This research endeavors to discern the critical factors impacting the willingness of Jakarta's metropolitan populace to participate in composting activities. The study identified key determinants through a comprehensive analysis, including the availability of composting facilities, the expertise of trained cadres, the adoption of advanced composting technologies, and routine field monitoring. Furthermore, demographic nuances, specifically marital status, and age, surfaced as influential parameters. Singles and the younger age bracket (20-29 years) exhibited distinct attitudes towards composting, hinting at underlying generational and lifestyle-based disparities. The findings provide a foundation for tailoring policies and interventions that cater to Jakarta's unique urban fabric, promoting a more inclusive and influential composting culture.
Potential of Woody Biomass from River Debris for Thermal Process Fuel Sari, Mega Mutiara; Inoue, Takanobu; Harryes, Regil Kentaurus; Yokota, Kuriko; Septiariva, Iva Yenis; Suhardono, Sapta; Kato, Shigeru; Notodarmojo, Suprihanto; Delu, Kevin Foggy; Suryawan, I Wayan Koko
Jurnal Teknologi Lingkungan Vol. 25 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jtl.2024.3559

Abstract

Sampah perairan di Tempat Penampungan Sementara (TPS) Jakarta memberikan beban polusi yang signifikan akibat aktivitas manusia. Pemulihan energi menyajikan peluang untuk mendapatkan nilai dari puing-puing ini dan mencapai solusi limbah nol. Di antara komponen limbah di TPS Perintis, puing kayu dari puing-puing sungai di Jakarta mendominasi. Penelitian ini bertujuan untuk memproses puing kayu melalui proses termal di TPS Perintis. Penelitian ini menggunakan analisis hitungan beban di TPS Perintis dan melakukan pengujian laboratorium, termasuk analisis kadar air, analisis kadar abu, penentuan nilai kalor, dan thermal gravimetric analysis (TGA). Generasi harian sampah perairan di TPS Perintis rata-rata mencapai 716,4 m3/hari atau 5,2 ton/hari, dengan puing kayu menyumbang 62,8% dari total. Puing kayu menunjukkan potensi pemulihan energi tertinggi di antara komponen limbah, dengan nilai kalor sebesar 16,43 kWh/kg atau 54.123,38 kWh/hari. Hasil uji TGA menunjukkan bahwa puing kayu dapat digunakan sebagai arang, dengan dekomposisi terjadi pada rentang suhu 200–500°C dan hasil sisa sebesar 14%. Temuan ini menyoroti kelayakan pemulihan energi dari puing kayu di TPS Perintis dan potensi untuk mengubahnya menjadi arang. Kesimpulan penelitian ini menekankan pentingnya penggunaan proses termal dalam mengelola puing-puing sungai, menyediakan solusi berkelanjutan untuk pengelolaan limbah dan pelestarian lingkungan. Abstract River debris at the Waste Temporary Shelter (TPS) Perintis Jakarta poses a significant pollution load resulting from human activities. Energy recovery presents an opportunity to derive value from this debris and achieve a zero-waste solution. Among the waste components at TPS Perintis, wood debris from river debris in Jakarta is predominant. This study aimed to process the wood debris through a thermal process at TPS Perintis. The research employed load count analysis at TPS Perintis and conducted laboratory testing, including moisture content analysis, ash content analysis, calorific value determination, and thermal gravimetric analysis (TGA). The daily generation of river debris at TPS Perintis averaged 7.164 m3/day or 5.2 tons/day, with wood debris accounting for 62.8% of the total. Wood debris exhibited the highest potential for energy recovery among the waste components, with a calorific value of 16.43 kWh/kg or 54,123.38 kWh/day. The TGA test results indicated that wood debris could be utilized as charcoal, with decomposition occurring within the temperature range of 200–500°C and a residue yield of 14%. These findings highlight the feasibility of energy recovery from wood debris at TPS Perintis and the potential for its conversion into charcoal. The study's conclusions emphasize the significance of utilizing thermal processes for managing river debris, providing a sustainable solution for waste management and environmental conservation.
Comparing K-Means and K-Medoids for Industrial Air Pollution Analysis in Central Java Putri, Rani Rachma Astining; Fajri, Roifah; Suhardono, Sapta; Candraningtyas, Callista Fabiola; Septiariva, Iva Yenis
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 3 (2025): November 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i3.852-864

Abstract

Air is a fundamental necessity for all living beings, especially humans. However, human activities whether intentional or unintentional can degrade air quality through pollution. This study compares the performance of the K-Means and K-Medoids clustering algorithms in analyzing the air pollution load from the industrial sector in Central Java in 2021. Using a quantitative approach and R Studio software, the analysis focuses on SO₂ and NO₂ pollution data obtained from the official Central Java BPS website. The results indicate that the K-Medoids algorithm with the silhouette method yields the most optimal clustering performance, with the lowest Davies-Bouldin Index (DBI) value of 0.6201437 and 10 distinct clusters. Notably, Cluster 1 comprises districts with the highest industrial air pollution burden such as Banjarnegara Regency, which recorded 14,472 industries and NO₂ and SO₂ concentrations of 20 μg/m³ and 6 μg/m³, respectively. These findings demonstrate that clustering algorithms not only help reveal spatial pollution patterns but also provide critical insights for prioritizing targeted mitigation efforts and informing environmental policy-making in industrially active regions.
Co-Authors Al Ghifari, Rizal Muhammad Andi Suryanto Ani Purwanti Arifianti, Qurrotin Ayunina Maulida Okta Azizah, Rifka Noor Belda Amelia Junisu, Belda Amelia Buana, Dwinto Martri Aji Candraningtyas, Callista Fabiola Delu, Kevin Foggy Dion Awfa Fajri, Roifah Fanani, Riza Aldiansyah Faria, Niswatun Fitria, Laili Gaina, Pratiwi Claudia Hafizh, Haidar Harryes, Regil Kentaurus I Made Wahyu Wijaya Ikhwali, Muhammad Faisi Imami, Ahmad Daudsyah Imelda Masni Juniaty Sianipar Imroatus Sholikhah, Imroatus Istiqomah Shariati Zamani Kasamira, Kesya Ivana Kato, Shigeru Kuriko Yokota Kusuma, Antonio Lim, Jun-Wei Luh Putu Ratna Sundari Marsono, Muhammad Ridho Mubaroq, Ahmad Zakhi Muklis Muklis Mutiara Sari, Mega Nafisah, Aninda Putri Nastiti, Almira Davina Notodarmodjo, Suprihanto Mediawan Novi Kartika Sari Novrianty, Irma Nur Novilina Arifianingsih Nurdiasna, Widya Reza Nurhudaeni, Dwi Nurulbaiti Listyendah Zahra, Nurulbaiti Listyendah Panjaitan, Nahesson Hotmarama Prayogo, Wisnu Purnawan Purnawan Putri, Rani Rachma Astining Qomarudin Helmy Qomarudin Helmy, Qomarudin Rachmat Mulyana Ridhosari, Betanti Riska Pratiwi Sabara, Zakir Sari, Mega Mutiara Sarwono, Ariyanti Sofiyah, Evi Siti Sri Sunarsih Suhardono, Sapta Suhardono, Sapta Cahya Suprihanto Notodarmojo Suryawan, I Wayan Koko Takanobu Inoue Tehupeiory, Aarce Ulhasanah, Nova Ummatin, Kuntum Khoiro