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All Journal Jurnal Rekayasa Proses Seminar Nasional Teknik Kimia Kejuangan Communications in Science and Technology Jurnal Rekayasa Proses Riau Journal of Empowerment Unri Conference Series: Community Engagement Journal of Bioprocess Chemical and Environmental Engineering Science Leuser Journal of Environmental Studies Jurnal Rekayasa Proses
Evelyn Evelyn
Universitas Riau
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Social Sciences Other

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Optimasi Proses Pengeringan Vegetable Noodle Menggunakan Tray Dryer Infrared Yulia, Indri; Evelyn; Zahrina, Ida
Journal of Bioprocess, Chemical and Environmental Engineering Science Vol 6 No 2 (2025): Journal of Bioprocess, Chemical, and Environmental Engineering
Publisher : Department of Chemical Engineering, Faculty of Engineering, UNRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jbchees.6.2.132-142

Abstract

Noodles are one of the most popular processed foods due to their convenience, affordability, and ease of preparation. However, conventional noodles are primarily made from wheat flour, which lacks dietary fiber and micronutrients. Therefore, this study aims to develop a more nutritious vegetable-based noodle by incorporating local ingredients such as sago flour and pakcoy. The objective was to evaluate the effect of flour ratio (wheat:sago), drying temperature, and time on the chemical and microstructural properties of pakcoy-based dried noodles using infrared tray drying. The experimental design applied Response Surface Methodology (RSM) with Central Composite Design (CCD). Responses measured included moisture content, protein content, carbohydrate content, FTIR spectral analysis, and surface morphology via SEM. The optimal condition was achieved at a flour ratio of 85:15, drying temperature of 80°C, and 2 hours duration, resulting in 9.66% moisture, 11.79% protein, and 76.41% carbohydrates. FTIR analysis confirmed the preservation of key functional groups of carbohydrates and proteins, while SEM analysis revealed a more compact and uniform surface structure in noodles containing pakcoy. This study recommends the application of infrared drying technology in vegetable noodle processing to improve nutritional value and structural integrity
Sustainable Biohydrogen Production from Palm Oil Mill Effluent: Effect of Hydraulic Retention Time in a Hybrid Anaerobic System Adrianto Ahmad; Evelyn Evelyn; David Andrio; Dini Avriliani; M. Dalil; Amir Hamzah
Leuser Journal of Environmental Studies Vol. 4 No. 1 (2026): April 2026
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/ljes.v4i1.379

Abstract

Currently, the world is facing two crises: a shortage of fossil fuels and global climate change. Climate change is linked to increased environmental damage from fossil fuel use and the effects of greenhouse gases. Therefore, it is important to achieve breakthroughs to develop alternative energy sources that can replace fossil fuels. One of these is biohydrogen, which plays an important role in future energy because it is environmentally friendly, renewable, and sustainable. In addition, Indonesia is the world's largest producer of palm oil, which naturally generates liquid waste. Using palm oil mill liquid waste to produce biohydrogen via an anaerobic hybrid bioreactor during the acidogenesis phase is the best solution to address environmental impacts while simultaneously providing a clean energy source. This research aims to produce biohydrogen from palm oil mill liquid waste. This was done using an anaerobic hybrid bioreactor during the acidogenesis phase, with hydraulic retention times of 6, 12, and 18 hours. The research results show that the best hydraulic retention time is 18 hours, with a VSS removal efficiency of 98% and biogas production of 5.0 L/day, yielding 64% biohydrogen.
Co-Authors Adrianto Ahmad Adrianto Ahmad Alhabsy Affif Aman, Azka Amir Hamzah Amun Amri Annisa Ulhasanah Aqilla Cahyani Chairul Chairul, Chairul David Andrio Desi Heltina Deviona Dini Avriliani Dini Avriliani Fadila, Rawdatul Fitri Zulva Hasanah Hasby Herdinasrul Ida Zahrina Isna Rahma Dini Khairat Komalasari Komalasari Komalasari Komalasari M Dalil M. Iwan Fermi Maria Peratenta Misrulina Misrulina Nurul Azizah Ohi, Hiroshi Rahmadahana, Suci Rahmi Adisti Rahmi, Sri Wahdini Renny Indriani Renny Indriani Rizaldi Saputra Sherly Fitri Rahmadhani Silvia Reni Yenti Syamsu Herman Syelvia Putri Utami Yulia, Indri Yusnimar Sahan