Article Per Year (5 Year)
p-Index From 2020 - 2025
3.208
P-Index
This Author published in this journals
All Journal Jurnal Sains Materi Indonesia Jurnal Neutrino : jurnal fisika dan aplikasinya Konversi Jurnal Teknik Jurnal Daur Lingkungan ASEAN Journal of Chemical Engineering Kinetika Yumary: Jurnal Pengabdian kepada Masyarakat Jurnal Energi Baru dan Terbarukan AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Chemical Engineering Journal Storage (CEJS) Serambi Engineering Jurnal Pengabdian Kepada Masyarakat
Robert Junaidi
Politeknik Negeri Sriwijaya
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

Published : 22 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 22 Documents
Search

 1   2   3 
Optimalisasi Proses Transesterifikasi Minyak Jelantah Menjadi Biodiesel Dengan Variasi Waktu Dan Konsentrasi Katalis Ramadhani, Dea Rizki; Zamhari, Mustain; Junaidi, Robert
Chemical Engineering Journal Storage (CEJS) Vol. 5 No. 4 (2025): Chemical Engineering Journal Storage (CEJS)-Agustus 2025
Publisher : LPPM Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/cejs.v5i4.23757

Abstract

Penelitian ini adalah mempelajari pengaruh modifikasi membran selulosa asetat Minyak jelantah juga dikenal sebagai minyak goreng bekas, berfungsi sebagai sumber energi terbarukan untuk produksi biodiesel karena minyak jelantah berasal dari minyak kelapa sawit yang mengandung trigliserida dan mengandung asam lemak sebagai hasil biodiesel. Pemanfaatan minyak jelantah sebagai bahan baku biodiesel merupakan praktik berkelanjutan, karena dapat mengurangi pencemaran lingkungan, terutama yang berkaitan dengan tanah dan air. Dalam penelitian ini, menggunakan suhu 65oC. dalam rasio metanol : minyak (65 ml : 250 ml) dengan variasi waktu pada proses transesterifikasi (40, 50, 60, 70, 80 menit) dan katalis CaO-NaOH 2% dan 3%. Setelah menjadi biodiesel dilakukan pengujian standar mutu SNI 2015 yang terdiri dari densitas, viskositas, titik nyala dan api, angka setana dan bilangan asam lemak bebas (FFA). Dilakukan pengujian menggunakan Gas Chromatography Mass Spectromtery (GC-MS) untuk mengetahui kandungan yang ada di biodiesel pada proses reaksi transesterifikasi ini menggunakan reaktor batch tangki sederhana dimana yang terbaik itu ada di waktu reaksi 60 menit dengan %yieldnya adalah 86% pada konsentrasi katalis CaO – NaOH 2%.
Utilization of Rotten Tomato Juice and Starfruit Juice with the Addition of Potassium Hydroxide in Biobattery Production Sardewi, Tri; Amanah, Tria Rizki; Rusdianasari, Rusdianasari; Junaidi, Robert; Hasan, Abu
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 9 No. 3 (2025)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v9i3.772

Abstract

Indonesia's dependence on fossil fuels underscores the need for the development of environmentally friendly alternative energy sources. This research examines the utilization of rotten tomato waste (Solanum lycopersicum) and starfruit (Averrhoa bilimbi L.) juice as natural electrolytes in the production of bio-batteries, with the addition of potassium hydroxide (KOH) to enhance their performance. Both materials contain organic acids such as citric acid and ascorbic acid, which support electrochemical reactions. The experimental variations included electrolyte solution volumes of 200–400 mL and KOH concentrations of 0.1 M, 1.0 M, and 2.0 M. The parameters tested included pH, conductivity, voltage, current, power, capacity, and the duration of the LED light, as specified in SNI IEC 60086-1:2015. The results show that for rotten tomato extract, the optimal combination of 350 mL with 2.0 M KOH yields the highest conductivity of 15.37 mS/cm and a capacity of 2.87 mAh. For starfruit juice, the optimal combination of 200–250 mL with 1.0 M KOH provides the highest capacity. The addition of KOH generally increases conductivity and power output, but high concentrations (2.0 M) in starfruit extract reduce efficiency due to over-ionization. This research proves that rotten tomato waste and starfruit juice with the addition of KOH have the potential to be efficient, inexpensive, and environmentally friendly bio-battery raw materials and support the utilization of organic waste as a renewable energy source. Contribution to Sustainable Development Goals (SDGs):SDG 7: Affordable and Clean EnergySDG 13: Climate Action
Co-Authors ., Anerasari Abu Hasan Amanah, Tria Rizki Anerasari Meidinariasty Arisqi, Muhamad Muammar Arizal Aswan Aulia, Risa Azizah, Roro Rizqi Ramadhani Didiek Hari Nugroho Ekawati, Linda Fadarina Fatahul Arifin, Fatahul Harwanda, Muhammad Sabdian HC, Fadarina Heru Santoso Hilwatullisan Indah Purnamasari Kalsum, Leila Khairunnisa, Annisa Septia Manggala, Agus Martha Aznury Miftahul Jannah Muhammad Yerizam Mustain Zamhari Niawanti, Helda Ningrum, Galuh Martiyah Oktarina, Ayu Pahlevi, Muhammad Agmerio Parega, Sultan Rachmatika, Nisa Rahmaniar Rahmaniar, Rahmaniar Ramadhani, Dea Rizki Riansyah, Epan Rima Melati Rusdianasari Rusdianasari Sardewi, Tri Sari, Della Yusfita Selastia Yuliati Setiawan, Farah Kania Sofiah Sofiah Sulistyawati, Novia Ayu Tamara, Ade Utami, Winda Andea Wijaya, Satria Agung Yerizam, M. Yuliani, Tasya Dwi Zaman, Muhammad Zulkarnain S.T.,M.T.