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All Journal Agrointek REACTOR : Journal of Research On Chemistry And Engineering AKSELERASI: Jurnal Ilmiah Nasional PESARE: Science and Engineering Service Journal JURNAL REKAYASA KIMIA & LINGKUNGAN
Suriaini, Nanda
Chemical Engineering Department, Faculty Of Engineering, Universitas Syiah Kuala, Jl. Tengku Syech Abdur Rauf No. 7, Darussalam-Banda Aceh, Indonesia 23111
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Public Health Social Sciences

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Journal : JURNAL REKAYASA KIMIA

 1 
Effect of Solid to Solvent Ratio and Extraction Time on Yield, Phytochemical Content and Physicochemical of Amla (Phyllanthus emblica) Seed Oil Extracted using Hexane Mauliza, Nadia Putri; Suriaini, Nanda; Rosnelly, Cut Meurah; Satriana, Satriana; Supardan, Muhammad Dani
Jurnal Rekayasa Kimia & Lingkungan Vol 17, No 2 (2022): Jurnal Rekayasa Kimia & Lingkungan (December, 2022)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v17i2.26915

Abstract

Amla (Phyllanthus emblica) seeds have only been disposed of as waste and have not been utilized optimally. Utilizing the seeds to produce oil has been regarded as a promising approach for reducing solid wastes and producing value-added products. This study evaluated the effect of solid to solvent ratio and extraction time on yield, phytochemical content and physicochemical of oil extracted from amla seed using hexane as a solvent. The amla seed oil was extracted through the solid-liquid process at different solid to solvent ratios (1:20, 1:25 and 1:30 g/mL) and extraction times (30, 60, 90 and 120 minutes). The highest yield found was 10.97% at a solid to solvent ratio of 1:30 (g/mL) and an extraction time of 120 minutes. The highest concentrations of phenolic compounds and flavonoids were 66.12 mg GAE/g and 95.70 mg QE/g respectively, obtained at a solid to solvent ratio of 1:25 (g/mL) and extraction time of 120 minutes. Physicochemical analysis (pH, density, acid number, free fatty acid, and peroxide number) showed that the quality of extracted oil was better than what the previous study reported. In the amla seed oil, the content of unsaturated fatty acids was higher than saturated fatty acids with linoleate as the main component. These results clarified that solid-liquid extraction method can be used for extracting amla seed oil and also indicated that amla seed oil can be used as an ingredient in health-related industry products.
Purification of Biodiesel from Waste Cooking Oil Using Bentonite as Dry Washing Agent Suriaini, Nanda; Febriana, Tika Thalia; Yulanda, Andesta; Adisalamun, Adisalamun; Syamsuddin, Yanna; Supardan, Muhammad Dani
Jurnal Rekayasa Kimia & Lingkungan Vol 14, No 2 (2019): Jurnal Rekayasa Kimia & Lingkungan (December, 2019)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v14i2.13165

Abstract

The process of biodiesel purification is an important step in getting biodiesel products that meet specifications as a substitute for fossil-based fuels. Dry washing method has been developed to achieve an effective purication strategy in order to produce high-quality biodiesel. Bentonite can be used as dry washing agent because it has a good adsorbing properties as well as a large pore and surface area therefore can attract polar substances such as glycerol and methanol. The purpose of this research is to know the capability of activated bentonite as dry washing agent for purification of biodiesel produced from waste cooking oil. The activation process of bentonite was carried out using sulfuric acid with concentration 1.5 M. Characterization of the bentonite was conducted using X-Ray Diffraction (XRD) for minerals content and BrunauerEmmettTeller (BET) method for surface area. Bentonite was used as dry washing agent for biodiesel purification by varying washing time (10, 20, 30, 40 and 50 minutes) and adsorbent amount (1, 2, 3, 4 and 5%). The experimental results showed that purification of biodiesel by dry washing using activated bentonite resulted in a better yield and quality than wet washing and dry washing using non-activated bentonite, except the acid number. The best operation condition resulted from this research is at 10 minutes washing time and 1% adsorbent with yield of 94.1%; acid number of 0.4208 mg KOH/gram; density of 0.8838 gram/cm3, viscosity of 3.0617 mm2/s and water content of 1.17%.
Co-Authors Adisalamun Adisalamun Andesta Yulanda Auliyaa Raaf Cut Meurah Rosnelly Cut Meurah Rosnelly Fachrul Razi Farid Mulana Farid Mulana Febriana, Tika Thalia Fitri, Maysa Lia Mairiza Marwan Marwan Mauliza, Nadia Putri Muhammad Dani Supardan Muhammad Dani Supardan Muhammad Dani Supardan Nadia Putri Mauliza Normalina Arpi Satriana Satriana Satriana Satriana Sofyana Sofyana Tika Thalia Febriana Yanna Syamsuddin Yulanda, Andesta