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All Journal Jurnal Teknik Kimia USU JOSAR (Journal of Students Academic Research)
Maulisa
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Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering

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Pengaruh Perbandingan Komposisi Ampas Tebu dan Kulit Durian Terhadap Karakteristik Bio-oil Iriany; Maulisa; Salsabila; Taslim
Jurnal Teknik Kimia USU Vol. 14 No. 2 (2025): Jurnal Teknik Kimia USU
Publisher : Talenta Publisher (Universitas Sumatera Utara)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jtk.v14i2.16294

Abstract

The bio-oil from bagasse has poor physical characteristics, so it requires a combination with other materials, such as durian peel. This study aims to produce high-quality bio-oil from the best composition ratio of bagasse and durian peel. The study used variations of sugarcane bagasse and durian peel compositions (0:1; 1:0; 1:1; 2:1; 3:1) at a pyrolysis temperature of 400 °C for 5, 6, and 7 hours using an 83.1 L upright cylindrical reactor. The bio-oil with the best characteristics was found at a 1:1 ratio, with yields of 32.28%, 38.82%, and 40.8%, pH values of 2.7; 2.8; 2.9, and viscosities of 0.952 cSt, 0.928 cSt, and 0.908 cSt. The results show that adding durian peel improves the bio-oil characteristics.
The Implementation of Canva Application to Enhance Students' Creativity in Graphic Design at SMPIT Tenggarong Seberang Azkia, Laili; Efrianti, Meylika; Maulisa; Sumiatun, Siti; Sakina, Mamnuatus; Nasrullah, Amin
JOSAR (Journal of Students Academic Research) Vol 10 No 2 (2025): September
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/josar.v10i2.4550

Abstract

This study examines the effectiveness of the Canva application as an instructional tool to enhance creativity among seventh-grade students in graphic design at SMP IT Tenggarong Seberang. Employing a Classroom Action Research (CAR) methodology, the research was conducted over two cycles involving 44 students. The first cycle revealed that the integration of Canva did not significantly improve student engagement or creativity, with an average participation rate of 56% and an average score of 67.95. Consequently, modifications were made for the second cycle, focusing on clearer instruction and increased student interaction. The results of the second cycle demonstrated substantial improvements, achieving an 84% participation rate and an average score of 83.4, indicating that most students met the mastery criteria. Observations showed enhanced creativity in students’ graphic design projects, highlighting the positive impact of using technology in the classroom. This study underscores the potential of Canva as a versatile educational tool that fosters creativity and engagement, making it beneficial for modern educational practices. Future research may investigate the long-term effects of such applications on student learning outcomes across various subjects and educational levels.
Co-Authors Azkia, Laili Efrianti, Meylika Iriany Nasrullah, Amin Sakina, Mamnuatus Salsabila Sumiatun, Siti Taslim