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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Riset dan Inovasi Pembelajaran
Rochmatika, Endah
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Agriculture, Biological Sciences & Forestry Chemistry Education Languange, Linguistic, Communication & Media Mathematics Other

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Bioconversion of Microalga Chlorella sp. as an Alternative Energy for Biofuel in Fishery Waste Media Rochmatika, Endah; Mubarak, Ahmad Shofy; Darmanto, Win
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 2 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.2.416

Abstract

Carbon dioxide emissions from burning fuel oil have been increasing, resulting in increasingly severe climate change. The use of microalgae as raw materials for biofuel production is an environmentally friendly alternative. Microalgae Chlorella sp. can be sustainably converted into alternative biofuels. Fishery liquid waste, such as that resulting from fish farming and fish processing, can be used as a nutrient medium for microalgae. This study aimed to analyze biomass production from Chlorella sp. using fishery waste in an algae reactor. The working principle of fisheries wastewater processing is related to microalgae in the reactor. The surface of the media forms a biological layer that breaks down organic compounds in the air, thereby reducing the organic content. The compounds resulting from metabolic processes are in the form of solids and gases. The results show that the bioethanol produced from the thermostat Chlorella sp. with fishery waste media can produce 20,000 L/ha. Microalgae contain approximately 20-50% dry weight of carbohydrates, which can be converted into bioethanol. Chlorella sp. can reduce chemical oxygen demand and ammonia by up to 70% by converting carbon dioxide into carbohydrates, fats, and proteins. The application of bioconversion to all companies in the fisheries sector will provide benefits and help the government reduce fossil fuel subsidies. Keywords: bioconversion, biofuel, fisheries, microalgae, waste
Challenges of Implementing Green Entrepreneurship Education in the Classroom: An Exploratory Study Diartika, Eka Imbia Agus; Rochmatika, Endah; Thaariq, Zahid Zufar At
Jurnal Riset dan Inovasi Pembelajaran Vol. 6 No. 1 (2026): Januari-April 2026
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/jrip.v6i1.4497

Abstract

Green Entrepreneurship Education (GEE) plays a strategic role in fostering students' Green Entrepreneurial Intention (GEI) and Green Entrepreneurial Behavior (GEB) in support of sustainable development. However, the classroom-level implementation of GEE in higher education remains challenging. This study aims to explore the initial conditions of green entrepreneurship learning, classroom implementation challenges, and learning development needs in the Bioentrepreneurship Study Program. An exploratory qualitative approach was employed, with data collected through in-depth interviews with lecturers and students. The data were analyzed using the Miles and Huberman interactive model, including data reduction, data display, and conclusion drawing. The findings reveal that lecturers perceive green entrepreneurship as highly urgent; However, learning practices remain predominantly theoretical, with limited experiential learning, insufficient facilities, and weak institutional support. Key barriers to the formation of students’ GEI and GEB include limited practical facilities, low entrepreneurial self-efficacy, lack of mentoring, capital constraints, and weak industry networks. These conditions reinforce the intention–behavior gap between students' green entrepreneurial intentions and actual behaviors. Based on these findings, this study recommends the development of an experience-based green entrepreneurship learning model that integrates project-based learning, structured mentoring, and institutional support through applied laboratories and industry collaboration to strengthen the translation of GEI into GEB. This study highlights the need to develop a more applicable, contextual, and experience-based green entrepreneurship learning model to strengthen GEI and GEB in higher education.
Co-Authors A. Shofy Mubarak Eka Imbia Agus Diartika Thaariq, Zahid Zufar At Win Darmanto