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All Journal Jurnal Penyuluhan ASEAN Journal of Systems Engineering E-Jurnal Ekonomi Sumberdaya dan Lingkungan Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan JDE (Journal of Developing Economies) JRST (Jurnal Riset Sains dan Teknologi) Indonesian Journal of Chemistry PENDIPA Journal of Science Education Journal of Renewable Energy and Mechanics Jurnal Ecoment Global: Kajian Bisnis dan Manajemen Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) International Journal of Environmental, Sustainability, and Social Science Jurnal Kewarganegaraan Jurnal Ilmiah Wahana Pendidikan International Journal of Humanities Education and Social Sciences Journal of Education Technology Information Social Sciences and Health Jurnal TNI Angkatan Udara International Journal of Technology and Education Research Jurnal Inovasi Daerah
Nugroho Sasongko Jati, Nugroho Sasongko
Universitas Pertahanan Republik Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Neuroscience Nursing Public Health Social Sciences Other

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Immobilization of Cerium(IV) Oxide onto Reduced Graphene Oxide in Epoxy Resin Matrix as Radar Absorbing Composite for X-band Region Bolilanga, Patricya Inggrid Wilhelmina; Basuki, Rahmat; Apriliyanto, Yusuf Bramastya; Prasojo, Agus Eko; Lazuardy, Ardyan; Anitasari, Reza; Putri, Riyanti; Sasongko, Nugroho Adi; Santiko, Arief Budi
Indonesian Journal of Chemistry Vol 24, No 6 (2024)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.94404

Abstract

The rGO/CeO2/epoxy composite has been successfully prepared as radar absorbing material (RAM) for the X-band (8–12 GHz) region. The reduced graphene oxide (rGO) originated from pencil graphite oxide (GiO) was synthesized through the modified Hummer method. The synthesis of rGO/CeO2/epoxy was conducted by immobilization of cerium(IV) oxide into rGO (rGO/CeO2) via hydrothermal method and followed by composited the rGO/CeO2 with epoxy resin matrix. Morphological analysis by SEM-EDX indicates that the rGO/CeO2 structure appears to be a tangled layer of edges randomly aggregated, and CeO2 is uniformly anchored on the rGO surface. From the diffractogram result of the XRD instrument, rGO exhibits changes in crystallinity, indicating a transformation of the interlayer structure from multilayer GiO to a single layer of rGO. The presence of Ce–O was indicated at wavenumber 553 cm−1 of rGO/CeO2 by FTIR. The microwave absorbing performance of rGO/CeO2/epoxy conducted by vector network analyzer (VNA) showed that the RL value of the composite was −3.22 dB (47% of electromagnetic wave absorption) at a frequency of 9.25 GHz at the thickness of 1 mm composite. The composite has the promising prospect of being developed as a captivating candidate for the new type of microwave absorptive materials.
The Impact of the Formation of Petroleum Fund Policy on the Sustainability of Oil and Gas Activities in Indonesia Awaf Wirajaya; Nugroho Adi Sasongko; Helda Risman
International Journal Of Humanities Education and Social Sciences (IJHESS) Vol 4 No 2 (2024): IJHESS OCTOBER 2024
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhess.v4i2.1354

Abstract

Business activities in the oil and gas sector certainly require high costs from upstream to downstream. From upstream to downstream of Indonesian oil and gas, the gap between production and consumption is getting wider, namely 616 thousand BOPD production and 1,471 MBOPD consumption and refinery capacity is still below the consumption figure, namely 1,151 million barrels per day. The need for high costs can be minimized by establishing a policy called the Petroleum Fund. This Petroleum Fund is taken from state revenues from the oil and gas sector for specific purposes to ensure the sustainability of oil and gas activities for future generations. Petroleum funds, especially in Indonesia, can be used for several important things such as investment capital on the upstream side to increase potential reserve status. On the downstream side, it can be used to increase refinery capacity so that fuel oil imports decrease. The fluctuating nature of oil prices is certainly a threat that must be overcome, this is anticipated by forming this policy so that fuel prices remain affordable for the public. Then efforts to reduce greenhouse gas emissions become an important thing that must be achieved by oil and gas companies as well as increasing human resource capacity in areas around the oil and gas industry.
NATIONAL PLATFORM OF LIFE CYCLE INVENTORY DATABASE IN INDONESIA Ariyanto, Novy; Sasongko, Nugroho Adi; Eka Putri, Virny Zasyana; Subagyo, Hendro; Siswanto, Siswanto; Wardani, Maya Larasati Donna; Laili, Nurus Sahari; Pratiwi, Annisa Indah; Yanuar, Ahmad Ismed; Septiani, Marini; Hakim, Arif Rahman; Erlambang, Yaumil Putri; Sari, Chintya Komala; Supono, Ihsan; Widiyaningrum, Retno Ayu
ASEAN Journal of Systems Engineering Vol 9, No 1 (2025): ASEAN Journal of Systems Engineering
Publisher : Master in Systems Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ajse.v9i1.101472

Abstract

The national Life Cycle Inventory (LCI) database needs to be built, collaborated and integrated to harmonize LCI data, research and information systems across all stakeholders nationally.  The goals of national LCI data harmonization are to: advance national data, research, and information systems by leveraging multi-agency resources and expertise; improve consistency in Life Cycle Assessment (LCA) methods developed by each institution to develop LCA results for decision-making and public disclosure; and enhance public and national institutions to access harmonized data in a standardized searchable format from a common repository. However, the low number of LCI datasets originating from Indonesia results in using other countries' LCI databases that have the potential for high errors and uncertainties and do not represent supply chain data for specific geographical locations in conducting LCA for Indonesian products. The Research Center for Sustainable Production Systems and Life Cycle Assessment (PR SPB PDH) at the National Research and Innovation Agency (BRIN), an institution tasked with establishing a national database for LCI in Indonesia, is currently entering the stage of collecting LCI datasets. This paper proposes recommendations for developing a national platform for the LCI database in Indonesia. The method used is descriptive qualitative analysis from a comparative review of national databases of various countries. The study reveals that the development that has started fulfilled several criteria. However, some requirements must still be met to become a comprehensive LCI national database.
Analisis dampak lingkungan dan life cycle cost pembangkit listrik tenaga panas bumi Istiqamah, Dita Aprilia; Sasongko, Nugroho Adi; Boedoyo, M. Sidik
e-Jurnal Ekonomi Sumberdaya dan Lingkungan Vol. 12 No. 1 (2023): e-Jurnal Ekonomi Sumberdaya dan Lingkungan
Publisher : Konsentrasi Ekonomi Sumberdaya Alam dan Manusia, Prodi Ekonomi Pembangunan, Fakultas Ekonomi dan Bisnis, Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jesl.v12i1.26631

Abstract

The demand for electrical energy continues to increase along with population growth and technological developments. The household, industrial and commercial sectors are the main sectors for the use of electrical energy. Electricity also plays a crucial role in supporting national defense so that the government continues to strive to meet the electrical energy needs. Aligned with Indonesia's commitment to reduce greenhouse gases to support achieving net-zero emissions, the government promotes the utilization of new renewable energy, one of which is geothermal energy. Indonesia is known tohave the largest geothermal energy potential in the world. Geothermal power plants are environmentally friendly, the life cycle of the plant is associated with environmental impacts and typically requires substantial initial investment. The research methodology used in this article is a literature review to analyze the environmental impact and life cycle cost of geothermal power plants. The results show that the operational activities are the primary source of environmental impacts. GPP produces low emissions and areeconomically competitive when compared to solar photovoltaic (PV) energy.
Financial Analysis of Green Petroleum Coke as A Coal Blend in Steel Industry to Support National Energy Security Naimah, Khoirun; Sasongko, Nugroho Adi; Widayatno, Rudy Laksmono
Journal of Developing Economies Vol. 6 No. 2 (2021)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jde.v6i2.24825

Abstract

Green Petroleum Coke (GPC), produced by Pertamina RU II Dumai, is the product of refined petroleum, which still has good quality but has not been utilized to its full potential. Such as Sulfur 0.5%; FC 86.03%; Ash 0.10%; VM 13.82%; Moist 10, 52%; and the calorific value of 7500 kcal/kg. Therefore, one effort that can do is diversification, namely the use of GPC as a mixture of other fuels (fossil) to increase the selling value of GPC. This diversification is also in line with the national energy policy in PP. 79/2014 that the program aims to increase the availability of national energy sources. This study aims to determine the feasibility of using GPC as a coal mixture in Industry (Krakatau Steel) with an overview of economic aspects. Data obtained by qualitative methods consisting of interviews, observation, and documentation. Based on the research results from 2 scenarios, both scenario 1 (GPC 4%) and scenario 2 (GPC 18%), it is found that the NPV is positive, IRR is above the discount rate, and BCR> 1. Thus, the use of GPC as a coal mixture is considered feasible to run and can support national energy security. Keywords: Diversification, Feasibility, Petroleum Coke, Investment DecisionJEL: G11, G32
Pengaruh Pendidikan Dan Kesadaran Publik Terhadap Manajemen Konsumsi Energi Kaisupy, Sarifah; Sasongko, Nugroho Adi; Winarna, Agus
Jurnal Ilmiah Wahana Pendidikan Vol 11 No 9.D (2025): Jurnal Ilmiah Wahana Pendidikan
Publisher : Peneliti.net

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Permasalahan konsumsi energi yang tidak efisien menjadi tantangan serius dalam mencapai keberlanjutan lingkungan dan ketahanan energi nasional. Penelitian ini bertujuan untuk mengkaji pengaruh pendidikan dan tingkat kesadaran publik terhadap manajemen konsumsi energi di masyarakat. Menggunakan pendekatan kualitatif deskriptif berbasis kajian pustaka, penelitian ini menganalisis berbagai literatur ilmiah, kebijakan pemerintah, serta studi kasus praktik baik di lapangan. Hasil kajian menunjukkan bahwa pendidikan berperan penting dalam meningkatkan literasi energi, yang pada gilirannya membentuk kesadaran dan perilaku hemat energi di tingkat individu maupun kolektif. Kesadaran publik yang dibangun melalui edukasi formal maupun kampanye sosial terbukti efektif dalam mendorong perubahan perilaku konsumsi, meskipun masih dihadapkan pada tantangan seperti keterbatasan akses informasi dan rendahnya komitmen institusional. Oleh karena itu, integrasi pendidikan energi dalam kurikulum serta penguatan program advokasi publik menjadi strategi kunci dalam manajemen konsumsi energi yang berkelanjutan
KETAHANAN ENERGI: PEMANFAATAN PEMBANGKIT LISTRIK TENAGA HIBRID (PLTS DAN PLTBg) DI BOYOLALI Indriyani, Yunita; Kuntjoro, Yanif Dwi; Sasongko, Nugroho Adi
Jurnal Inovasi Daerah Vol. 1 No. 1 (2022): Juni
Publisher : Badan Perencanaan Pembangunan, Riset dan Inovasi Daerah (Bapperida) Kabupaten Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/jid.v1i1.2

Abstract

Sekitar 256.560 warga atau hampir sepertiga jumlah penduduk Boyolali yang mencapai 1 juta jiwa berprofesi sebagai peternak sapi dengan pembagian pemeliharaan sekitar 62.130 ekor sapi perah dan 88.910 ekor sapi potong. Sebagai kabupaten/kota yang mayoritas penduduknya berprofesi sebagai peternak sapi Boyolali berpotensi dalam menghasilkan bioenergi yaitu biogas dari limbah kotoran ternak terutama sapi perah. OMER merupakan software komputer yang dibuat dan dikembangkan oleh perusahaan asal Amerika Serikat yang bernama The National renewable energy laboratory dengan tujuan untuk mengetahui optimasi desain sistem energi pada wilayah tertentu. Jika konsep 4A+1S beserta dengan Panca Helix Model diaplikasikan maka akan dihasilkan Konsep Triple helix Model yang bertujuan untuk mencapai Ketahanan Nasional termasuk Ketahanan Energi yaitu Kedaulatan Negara, keutuhan Wilayah dan Keselamatan Bangsa dan Negara. Metode penelitian yang digunakan adalah reseach and development. Hasil temuan dalam pemanfaatan pembangkit listrik tenaga hibrid sebagai langkah memberikan solusi alternatif dalam transisi energi yang semua berbahan bakar fosil menjadi energi baru dan terbarukan (EBT). Selain itu menjaga penyediaan listrik dalam menjaga stabilitas sektor ekonomi, pendidikan, petahanan negara, serta memberikan gagasan baru di bidang pemenuhan listrik dengan pengembangan teknologi energi baru dan terbarukan berbasis tenaga Surya dan Biogas.
Optimizing the Role of Benowo PLTSA in the Step of Energy Mitigation and Transition to Net Zero Emission AFFANDI, Fajar Gunawan; FAHMI, Ice; SASONGKO, Nugroho Adi; YOESGIANTORO, Donny; PANDEY, Fhandy
International Journal of Environmental, Sustainability, and Social Science Vol. 5 No. 1 (2024): International Journal of Environmental, Sustainability, and Social Science (Jan
Publisher : PT Keberlanjutan Strategis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38142/ijesss.v5i1.301

Abstract

Every human being always produces waste in his life, be it organic waste or inorganic waste. With the increasing number of people in the world, of course, the amount of waste produced will increase. To overcome these problems, we need a technology that can utilize waste to be used as a source of renewable energy, as was done by PLTSa Benowo in the city of Surabaya. At PLTSa Benowo, the use of waste to be used as a renewable energy source is carried out in two ways, namely Landfill Gas Recovery (LFG) and Gasification. The two processes will produce gas which will be used to generate 11 MW of electrical energy. Utilization of waste to be used as a source of electrical energy provides many benefits for humans, besides being able to overcome the problem of urban waste which is increasingly piling up, it can also provide electricity supply for PLN. The author uses descriptive methods through a qualitative approach, this research intends to understand what phenomena are experienced by the research subjects. The results of the research are expected to provide additional knowledge about PLTSa Benowo which is located in the city of Surabaya.
Cellulose Hydrolysis of Mask Waste Using Aspergillus niger and Eco-Friendly Microwave Pretreatment Gilbran, Adam; Nafilah, Syahraini; Layalia, Afina Rista; Arsyad, Wifqul Muna; Darmawan, Andi; Setiawan, Risqi Prastianto; Irviandi, Risnu; Kusdiyantini, Endang; Nurauliyaa, Aida Habibah; Anda, Martin; Sasongko, Nugroho Adi; Wahyono, Yoyon
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.v22i3.993-1001

Abstract

The management of used medical mask waste has become a significant issue due to the increased volume of waste during and after the pandemic. Medical mask waste contains cellulose compounds that can be converted into derivatives such as glucose, which are then processed into bioethanol as an alternative energy source. This study aims to hydrolyse medical mask waste using cellulase enzymes from Aspergillus Niger to produce glucose. The cellulase enzyme composition was varied (5 ml, 15 ml, and 25 ml) to determine the optimal hydrolysis conditions. The glucose produced was measured using DNS reagent assay with spectrophotometry at a wavelength of 540 nm. The highest amount of glucose was obtained under optimal conditions with 25 ml of cellulase enzyme after 48 hours of hydrolysis, amounting to 88.16 ppm. Subsequently, the glucose from hydrolysis was fermented using Saccharomyces cerevisiae, and the fermentation product was analysed for ethanol concentration using GC-FID. The products of fermentation ware 0.017% ethanol concentration from mask waste fermentation. Hydrolysis is an environmentally friendly alternative solution for handling mask waste.
Generation Technology from Various Types of Biomass, Case Study of Forestry Waste Technology: Sawdust, Wood Chips Akbar, Amany Zhafira; Nugroho Adi Sasongko; Donny Yoesgiantoro
International Journal of Technology and Education Research Vol. 4 No. 01 (2026): January- March, International Journal of Technology and Education Research (IJ
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i01.2790

Abstract

The global energy crisis and increasing demand for low-carbon energy sources have positioned biomass as a strategic alternative in the transition to renewable energy. Forestry waste such as sawdust and wood chips have great potential to be converted into energy, but their utilization in Indonesia is still not optimal despite their abundant availability. Indonesia produces approximately 146.7 million tons of biomass per year with an estimated energy potential of 470 GJ/year, indicating significant opportunities for energy diversification. This article examines the potential of forestry waste biomass as an energy source, developments in conversion technology, and economic and sustainability challenges. A comparative analysis of the Fujino & Hashimoto (2023) study shows that biomass can provide local economic benefits, but its effectiveness in reducing emissions still depends on supporting technology and policies. The results of the study emphasize the need to develop high-efficiency biomass generation technology and a regulatory framework that encourages the sustainable use of waste so that biomass can play a role as a pillar of national renewable energy.
Co-Authors A Ida Nurfaida Nur AFFANDI, Fajar Gunawan Akbar, Amany Zhafira Albubaroq, Hikmat Zakky Anda, Martin Andi Darmawan Anitasari, Reza Annisa Indah Pratiwi Arief Budi Santiko, Arief Budi Arif Rahman Hakim Ariyanto, Novy Arsyad, Wifqul Muna Awaf Wirajaya Bambang Susilo Bayu Novariawan Boedoyo, M Sidik Boedoyo, M. Sidik Boedoyo, M.S Bolilanga, Patricya Inggrid Wilhelmina DESSY NATALIA Donny Yoesgiantoro Donny Yoesgiantoro Eka Putri, Virny Zasyana Endang Kusdiyantini Erlambang, Yaumil Putri Fahmi, Ice Fajar Gunawan Afandi Fajar Gunawan Afandi Fhandy Pandey, Fhandy Frely Rahmawati Gilbran, Adam Guntur Eko Saputro Haryanto, Yoyon Hendro Subagyo Ice Fahmi Ice Fahmi Ida Nurfaida Nur Idawati Indriyani, Yunita Irviandi, Risnu Istiqamah, Dita Aprilia Kaisupy, Sarifah Kartika Wijaya Setiawan Kuntjoro, Yanif Dwi Laili, Nurus Sahari Layalia, Afina Rista Lazuardy, Ardyan M Sidik Boedoyo Mohammad Sidik Boedoyo Muh Maulani Muhammad Agung Hardiyanto Muhammad Maulani Murtiana , Sri Nafilah, Syahraini Naima Haruna, Naima Naimah, Khoirun Nur, A Ida Nurfaida Nurauliyaa, Aida Habibah Pramono Sasongko Prasojo, Agus Eko Purnomo Yoesgiantoro Putri, Arananda Dwi Putri, Riyanti Rahmat Basuki Risman, Helda Rosnina Rudi Laksmono S Siswanto Sari, Chintya Komala Septiani, Marini Setiawan, Risqi Prastianto Sholihah Eka Permata Sari Simanjuntak, Albin Moniago Sri Murtiana Sri Suhartini Sundari, Sri Supono, Ihsan Supriadi, Imam SURYANTI, RENI Tri Soelistyo Ulul Azmi ULUL AZMI Wahyono, Yoyon Wardani, Maya Larasati Donna Widayatno, Rudy Laksmono Widiyaningrum, Retno Ayu Yanuar, Ahmad Ismed Yoesgiantoro, Donny Yusuf Bramastya Apriliyanto