Jurnal
Bioethanol Production from Rice Straw through Utilization of Agrobiomass Waste in Central Java Towards Clean Energy: a Review
Journal of Clean Technology · Vol. 1 No. 1 (2024) · hlm. 1–8
- ISSN
- 2460-9811, 2460-8874
- Terbit
- 2024-02-19
- Penerbit
- Universitas Negeri Semarang
- Bahasa
- eng
Abstrak
Bioethanol is an alternative energy to replace fossil fuels from plants. Central Java is the second largest rice producer in the world in Indonesia, with the potential of rice straw waste which can be optimized into bioethanol. Rice straw contains abundant cellulose reaching 32-47%, hemicellulose reaching 19-27%, and lignin reaching 5-24%. Methods for making bioethanol from rice straw include pretreatment, hydrolysis, fermentation, and distillation. Lignin inhibits acid penetration before hydrolysis and microbial growth during fermentation, so it needs to be eliminated using alkaline pretreatment. Glucose production from alkali-pretreated rice straw can be hydrolyzed using chemical or enzymatic catalysts. Acid hydrolysis method using dilute H2SO4 with consideration of a shorter operating time. In addition, the price of enzymes is very high, and the operating time is very long, which will reduce product effectiveness. The acid hydrolysis method using 2% H2SO4 takes 30 minutes at 150 oC, which can produce a yield of 16%. Production of bioethanol from rice straw using separate hydrolysis and fermentation (SHF) methods. Saccharomyces cerevisiae, with a 24-hour fermentation time, produced a yield of 80.9% and a productivity of 0.172 g/L h. Distillation is used to remove impurities from liquids that have been polluted with rice straw-derived solutes with various boiling points. Vacuum distillation can produce a yield of 40% purity. Utilization of rice straw into bioethanol can reduce environmental pollution so that it supports clean energy.
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- State University of Semarang
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Tampilkan sebagai tabel
| Rekan penulis | Organisasi | Artikel bersama |
|---|---|---|
| Haniif Prasetiawan | State University of Semarang | 3 |
| Astrilia Damayanti | State University of Semarang | 3 |
| Irene Nindita Pradnya | State University of Semarang | 2 |
| Catur Rini Widyastuti | State University of Semarang | 1 |
| Moch Faizal Rachmadi | State University of Semarang | 1 |
| Ratna Dewi Kusumaningtyas | State University of Semarang | 1 |
| Nadya Alfa Cahaya Imani | State University of Semarang | 1 |
| Reni Ainun Jannah | State University of Semarang | 1 |
| Rizky Ichwan | State University of Semarang | 1 |
| Syifa Azzahra Putri Solihin | State University of Semarang | 1 |
| Dewi Selvia Fardhyanti | State University of Semarang | 1 |
| Muhammad Waskito | State University of Semarang | 1 |
| Christina May Putri Cahyaningrum | Afiliasi tidak diketahui | 1 |
| Maulida Zakia | State University of Semarang | 1 |
| Daffa Nur Muhammad | State University of Semarang | 1 |
| Kakalia Putri Auralita | State University of Semarang | 1 |
| Achmad Wikandaru | State University of Semarang | 1 |
| Faatin Nisriinaa Zain | State University of Semarang | 1 |
| Kharisma Ardhani Nur Pratiwi | State University of Semarang | 1 |
| Mochammad Choiril Muna | State University of Semarang | 1 |
| Megawati Megawati | State University of Semarang | 1 |
| Maulida Zakia | State University of Semarang | 1 |
| Indrasukma Permanadewi | State University of Semarang | 1 |
| Hanif Ardhiansyah | State University of Semarang | 1 |
| Serlia Fitri Sadan | State University of Semarang | 1 |
| Nurul Khusna | State University of Semarang | 1 |
| Karenina Hakim | State University of Semarang | 1 |
| Megawati Megawati | State University of Semarang | 1 |
| Bayu Triwibowo | State University of Semarang | 1 |
| Radenrara Dewi Artanti Putri | State University of Semarang | 1 |
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