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PENGARUH JUMLAH KATALIS DAN TEMPERATUR PADA PROSES PEMBUATAN BAHAN BAKAR CAIR LIMBAH STYROFOAM DENGAN METODE CATALYTIC CRACKING ., Zurohaina; Zikri, Ahmad; Febriana, Ida; Amin, Jaksen M.; Pratiwi, Anggun; Pratiwi, Mitha; Reyhan, Muhammad Hifal
KINETIKA Vol. 11 No. 1 (2020): KINETIKA 01032020
Publisher : Politeknik Negeri Sriwijaya

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Abstract

Styrofoam is a thermoplastic polymer that cannot be biodegradable. Styrofoam waste is generally treated using burning method which produce a dangerous gases. Cracking is the right method to solve the problem by converting styrofoam waste into liquid fuel. In this study, the cracking process was carried out by catalytic cracking method using zeolit alam, SiO2.Al2O3 dan Ï’-Al2O3 as a catalyst. The aims of this study are to determine the effect of the number of catalyst and temperature variation on the percentage of yield, physical properties and compound content of liquid fuel. Variabels varied are the number of catalyst 5-25% from total reactants and temperatur variation 300-550 oC. The result shows, the highest %yield using zeolit alam is 77,7846% at 20% catalyst, for silica alumina with variations of temperature showed the highest % yield in the temperature 450oC is 79,09% and for Ï’-Al2O3 with variations of temperature showed the highest % yield in the temperature 500oC is 68,20%
Pengaplikasian Baterai Lithium Ion pada DYE Sensitized Solar Cell (DSSC) dengan Sistem Building Integrated Photovoltaic (BIPV) Rumah Tinggal Wulandari, Daya; Diana, Riztamala; Utarina, Leila; Pratiwi, Mitha
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.353

Abstract

Solar energy can be converted into electricity using photovoltaic systems as a strategic measure to achieve the renewable energy mix targets outlined in the National Energy Policy. Photovoltaic Rooftop (PV Rooftop) systems integrated with Building Integrated Photovoltaics (BIPV) present a viable alternative. PV Rooftop technology is currently trending, as evidenced by its increasing adoption in both industrial and residential sectors, supported by the global decline in solar panel prices. However, from an architectural perspective, silicon-based PV panels can reduce the aesthetic appeal of buildings. An emerging solution promoted by architects worldwide is the implementation of semi-transparent, dye-sensitized solar cells (DSSC), which are sensitive to colorants. In addition to their functional properties, DSSCs offer high aesthetic value due to the pigments used. Urban areas hold significant potential for the development of off-grid DSSC photovoltaic systems installed on rooftops and building facades. This study focuses on the analysis of off-grid DSSC PV systems for a type 42 residential house in Palembang City. The research employs a quantitative approach, using literature review and field measurements, followed by technical calculations. The article details the components required for designing an off-grid DSSC photovoltaic system capable of supplying all household electrical loads.