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All Journal ASEAN Journal of Systems Engineering Majalah Forum Teknik UGM Jurnal Rekayasa Proses International Journal of Renewable Energy Development Jurnal Bahan Alam Terbarukan International Journal of Advances in Intelligent Informatics Jurnal Kimia dan Kemasan INDONESIAN JOURNAL OF PHARMACY Konversi Jurnal Kimia Terapan Indonesia Indonesian Journal of Chemistry Jurnal Rekayasa Proses ASEAN Journal of Chemical Engineering Jurnal Teknik Kimia Indonesia Jurnal Kimia dan Kemasan Envirotek : Jurnal Ilmiah Teknik Lingkungan Journal Of Sustainability Perspectives Journal of Sustainability Perspectives Jurnal Rekayasa Proses
Panut Mulyono
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences

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An extensive analysis and examination of techniques to enhance the efficiency of water extraction from wastewater generated during the recycling of nickel manganese cobalt (NMC) batteries using reverse osmosis membrane technology. Prasetya, Agus; Mulyono, Panut; Sujoto, Vincent Sutresno Hadi; Warmita, Helena Karunia; Perdana, Indra; Sutijan, Sutijan; Astuti, Widi; Sumardi, Slamet; Jenie, Siti Nurul Aisyiyah
Jurnal Rekayasa Proses Vol 18 No 1 (2024): Volume 18, Number 1, 2024
Publisher : Jurnal Rekayasa Proses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jrekpros.12711

Abstract

Industrial water consumption will account for 22% of global water demand by 2030. Industry water conservation is encouraged by rapid corporate growth. Industrial resource usage and pollutant emissions can be reduced via cleaner production methods. Recycling is essential to greener production and the circular economy. Recycling is crucial to achieving the 2030 Sustainable Development Goals. The electric vehicle (EV) sector has propelled battery business growth in recent years, especially in Indonesia. The electric vehicle (EV) sector will benefit from using Nickel Manganese Cobalt (NMC) batteries. The study will use reverse osmosis (RO) membrane filtration to recover water from recovered NMC battery effluent. The experiment will investigate feed solution concentrations, pressures (8, 10, and 12 bar), and temperatures (30, 40, and 50°C). Two factors—permeate flux and metal ion rejection—determine reverse osmosis membrane efficiency. Li and Na metal rejection was maximum at 30°C and 12 bar, with 94-96% and 90-93% rejection rates, respectively. Under certain operating conditions, reverse osmosis membrane technology significantly reduced sodium (Na) concentration in NMC battery recycling effluent. Thus, wastewater is no longer saline. Reverse osmosis water can be reused for cooling due to its Li and Na concentrations.
Water Management in UGM for Resilient and Healthy Campus Mulyono, Panut; Utami, Sentagi Sesotya; Prayitno, Budi; Salis, Fiki Rahmatika; Faridah, Faridah
Journal of Sustainability Perspectives Vol 1, No 3 (2021)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1332.413 KB) | DOI: 10.14710/jsp.2021.12007

Abstract

Water management is one of the most challenging aspects of campus management. With a large number on campus population and limited water resources, water management is essential for achieving a resilient and healthy campus. In this paper, we explain two targets in UGM water management: water efficiency and water conservation. Both objectives are significantly related; however, each goal has a different approach to the method for the design approach and strategies in the implementations. Water efficiency is included in building new buildings and retrofitting the existing ones. Meanwhile, water conservation is implemented to calculate potential alternative water resources in UGM, including water treatment, to produce freshwater as an additional water supply. We also explain how water management is implemented in UGM from the highest Directorate to the lowest units. Through our method and best practices in UGM, we hope our paper could be a reference for other universities who want to implement a water management program.
Water Management in UGM for Resilient and Healthy Campus Mulyono, Panut; Utami, Sentagi Sesotya; Prayitno, Budi; Salis, Fiki Rahmatika; Faridah, Faridah
Journal of Sustainability Perspectives Vol 1, No 3 (2021)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1332.413 KB) | DOI: 10.14710/jsp.2021.12007

Abstract

Water management is one of the most challenging aspects of campus management. With a large number on campus population and limited water resources, water management is essential for achieving a resilient and healthy campus. In this paper, we explain two targets in UGM water management: water efficiency and water conservation. Both objectives are significantly related; however, each goal has a different approach to the method for the design approach and strategies in the implementations. Water efficiency is included in building new buildings and retrofitting the existing ones. Meanwhile, water conservation is implemented to calculate potential alternative water resources in UGM, including water treatment, to produce freshwater as an additional water supply. We also explain how water management is implemented in UGM from the highest Directorate to the lowest units. Through our method and best practices in UGM, we hope our paper could be a reference for other universities who want to implement a water management program.
Preliminary Study on Leaching Capacity of Rare Earth Elements from Coal Fly Ash by Using Citric Acid Solution Winoto, Gilbert; Mulyono, Panut; Suyanti, Suyanti; Prasetya, Agus
Indonesian Journal of Chemistry Vol 25, No 4 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.99763

Abstract

Rare earth elements (REEs) are chemical elements in the III B and lanthanide groups on the chemical periodic table. Extracting REEs from secondary resources (such as coal fly ash) could be environmentally friendlier than extracting REEs from primary resources. Coal fly ash was chosen because of its attractive REE availability and to minimize the pollution problem created by coal fly ash dumping. Citric acid is used as the leaching agent because of its biodegradability, relatively safe vis-à-vis mineral acid commonly used in the REE leaching, and its non-damaging nature to coal fly ash’s properties as construction material. The leaching experiment was conducted at temperature variations of 30, 50, and 85 °C, with liquid-solid ratio (L/S) of 5, 10, and 15 mL/g in 50 mL of 0.01 mol/L citric acid solution. The leaching experiments were conducted in a water bath shaker. It was found that increasing L/S and temperature mainly contributed to increasing cerium leaching capacity.
Non-destructive classification of sugarcane milling feasibility using deep learning: A comparative study of VGG19 and ResNet50 Indrianti, Nur; Leuveano, Raden Achmad Chairdino; Rustamaji, Heru Cahya; Ferriyan, Andrey; Mulyono, Panut; Wijaya, Bayu Prasetya
International Journal of Advances in Intelligent Informatics Vol 12, No 1 (2026): February 2026
Publisher : Universitas Ahmad Dahlan

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

Abstract

Assessing sugarcane quality is crucial for ensuring both economic value and processing efficiency in sugar production. Conventional approaches, such as refractometer-based Brix measurements, are destructive, labor-intensive, and unsuitable for large-scale or rapid field evaluations. This highlights the need for non-destructive, automated solutions that can deliver accurate and scalable assessments. This study proposes a deep learning framework for classifying sugarcane internodes into two quality categories based on Brix values: unsuitable for milling (<16 °Brix) and suitable for milling (≥16 °Brix) using image-based analysis. The dataset consists of two configurations: Luar1 (single internode) and Luar2 (a split internode with two outer sides placed side by side), each photographed against white and black backgrounds. Preprocessing, data augmentation, and transfer learning were applied using VGG19 and ResNet50 under a two-phase strategy. Phase 1 involved freezing the backbone layers (50 epochs), and Phase 2 involved fine-tuning (100 epochs). The results demonstrate that fine-tuning significantly enhanced model performance. VGG19 achieved accuracies between 72.12% and 75.06%, while ResNet50 consistently outperformed it, reaching 78.85% with the Luar2_Putih dataset. Confusion matrix analysis further confirmed ResNet50’s superior ability to minimize misclassification, particularly for high-quality canes that are crucial for milling feasibility. These findings advance non-destructive quality assessment in sugarcane and support the United Nations Sustainable Development Goals (SDG 2, SDG 9, and SDG 12) by strengthening food security through improved crop utilization, fostering innovation in agricultural technologies, and promoting sustainable production practices in the sugar industry.
Co-Authors ., Jumina Abdul Karim Zulkarnain Agus Prasetya Ahmad Muhajir Kahuripan Alfita Sofia Yuzki Andrey Ferriyan, Andrey Anita Pardah Ardelita Adiningtyas Arief Budiman Budi Nininga Widarti, Budi Prayitno Derek Creaser Dita Budi Wibawa Emi Erawati Eni Budiyati Fadlilah, Ilma Faridah Faridah H Heriyanto Hakim, Gilang Lukman Heru Cahya Rustamaji Himawan Tri Bayu Murti Petrus I Made Bendiyasa I Made Bendiyasa I Made Miasa Ihda Novia Indrajati Indra Perdana Indra Perdana Iqbal Haitami Leuveano, Raden Achmad Chairdino M. Ridho Ulya Martomo Setyawan Maulid Diana Sari Muslikhin Hidayat Noviana Utami Ciptaningtyas Suhartaya Nur Indrianti Nur Rofiqoh Eviana Putri Pradana, Yano Surya Prasakti, Laras Rochmadi - S Sarto S Sarto Salis, Fiki Rahmatika Sang Kompiang Wirawan Setia Muliati Siti Nurul Aisyiyah Jenie, Siti Nurul Aisyiyah Siti Syamsiah Slamet Sumardi, Slamet Sofiyah Sofiyah Sujoto, Vincent Sutresno Hadi Suryo Birowo Suryo Purwono Sutijan Suyanti Suyanti Tri Mustika Uli Karyani Utami, Sentagi Sesotya Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Warmita, Helena Karunia Widi Astuti Wijaya, Bayu Prasetya Winoto, Gilbert Wisnu Madha Kusuma