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All Journal Bubungan Tinggi: Jurnal Pengabdian Masyarakat Journal of Clean Technology
Rahimsyah Ijas Nur Rasyid
Universitas Negeri Semarang
Engineering Social Sciences Other

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Bioethanol Production as Renewable Energy from Macroalgae Eucheuma cottonii: A Mini Review Rahimsyah Ijas Nur Rasyid; Muhammad Fadhlan Dzikri; Hayya Laudza Adani; Evelyna Anindya Davina
Journal of Clean Technology Vol. 1 No. 2 (2024): August 2024
Publisher : Universitas Negeri Semarang

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Abstract

Energy demand has increased from several years ago due to economic growth and population increase. Meanwhile, non-renewable energy reserves from fossil fuels are dwindling. Bioethanol is one alternative energy resource to substitute fossil fuels and their derivatives. The fast expansion and environmental friendliness of Eucheuma cottonii macroalgae's growth make it a promising contender for use as a sustainable renewable energy source. Because of its abundant carbohydrate content, it can be utilized in generating bioethanol. This analysis delves into the potential of macroalgae in bioethanol production by concentrating on hydrolysis and fermentation. The Eucheuma cottonii process involved hydrolyzing it into reducing sugars using an optimal dilute acid hydrolysis pretreatment. This hydrolysate is converted into bioethanol by Saccharomyces cerevisiae through fermentation. Process the bioethanol obtained is distilled to reach the maximum concentration. The process of producing bioethanol, which is a renewable energy source, is expected to have an important impact on dealing with the energy crisis and advancing environmental sustainability.
Extraction from Sweet Orange Peel (Citrus Aurantium var Sinesis), Lemongrass (Cymbopogon Citratus), and Jasmine (Jasminum sambac) as Aromatherapy Candles for Empowerment of Home Economics Astrilia Damayanti; Hanif Ardhiansyah; Harianingsih Harianingsih; Ayasha Maharani; Rahimsyah Ijas Nur Rasyid; Salma Alfahra Choirunisa; Revasha Ajeng Kamalia; Ananda Muthi Athirah
Bubungan Tinggi: Jurnal Pengabdian Masyarakat Vol 6, No 3 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/btjpm.v6i3.11000

Abstract

The COVID-19 pandemic has affected the residents of Ngijo, a sub-district in Gunungpati District, Semarang. This community service activity aims to empower the Ngijo Family Welfare Development (PKK), Gunungpati, Semarang, as a solution for making aromatherapy candles from waste orange peel, jasmine flowers, and lemongrass. The methods of community service carried out include preparation, outreach, and evaluation. Preparations included signing a letter of cooperation with partners, making aromatherapy candles through six trials where the aroma smelled very good, and socializing with demonstrations where the team explained the consequences of product failure. Posters were given to residents to strengthen their understanding of this activity. The activity's success was seen in the residents' enthusiasm during the question-and-answer session regarding their understanding of making aromatherapy candles. The empowerment of PKK Ngijo, Gunungpati, and Semarang is successful because this activity is exciting and valuable, especially orange peel, which contains essential oils and has a refreshing aroma.
Co-Authors Ananda Muthi Athirah Astrilia Damayanti Ayasha Maharani Evelyna Anindya Davina Hanif Ardhiansyah Harianingsih, Harianingsih Hayya Laudza Adani Muhammad Fadhlan Dzikri Revasha Ajeng Kamalia Salma Alfahra Choirunisa