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Agung Taufik
SMP Islam Cendekia Cianjur, Indonesia
Education Languange, Linguistic, Communication & Media Other

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ORFIL: Cocopeat–Rice Straw Air Filter for Reducing Motorcycle Exhaust Emissions Muhamad Naufal Muzhaffar; Dafa Arkananta Saputro; Alawi Hadad El Shirazy; M. Rizkie Akbar Gumilar; Kenzie Abiyyu Pranaja; Agung Taufik
Journal Educational Research and Development | E-ISSN : 3063-9158 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62379/jerd.v2i3.1023

Abstract

The increasing number of motorcycles in Indonesia contributes to air pollution, including exposure to particulate matter and ultrafine particles that may affect human health (Schraufnagel, 2020; Masruroh, 2015). This study developed and evaluated ORFIL, a natural air filter made from cocopeat (coconut husk waste) and rice straw, to reduce motorcycle exhaust emissions. The filter material was prepared by dehydrating 70 g cocopeat and 70 g straw for 48 hours, grinding each into coarse powder, mixing them, and packing the mixture inside a factory filter frame using tulle fabric as a retaining layer. Emission performance was tested on one motorcycle (motorcycle X) by comparing the factory-installed foam filter and ORFIL using measured exhaust parameters (CO, HC, CO₂, and O₂). The ORFIL filter produced lower emissions than the factory filter: CO decreased from 0.04% to 0.027%, HC decreased from 19 ppm to 15 ppm, and CO₂ decreased from 0.6% to 0.48%, while O₂ increased from 20.41% to 22.2%. These results indicate that cocopeat and rice straw have practical potential as low-cost natural filter media, consistent with prior findings on coconut fiber and straw-based filtering materials (Lay & Pasang, 2003; Wahyuningrum et al., 2014; Surjosatyo, 2020).
Mavie: Natural Antiseptic Spray with Rose and Vetiver Extracts Ghaitsa Nurnazma; Zaira Janeeta Akmalul Iman; Amiratus Saidah; Ariani Pratiwi; Nadiva Firya Khamdani; Syifa Aryanti; Agung Taufik
Journal Educational Research and Development | E-ISSN : 3063-9158 Vol. 2 No. 3 (2026): Januari - Maret
Publisher : GLOBAL SCIENTS PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62379/jerd.v2i3.1049

Abstract

This study aimed to formulate and evaluate a natural antiseptic spray using plant-based ingredients derived from vetiver (Vetiveria zizanoides) and rose (Rosa damascena). The research was conducted as a school-based project focusing on simple formulation and descriptive observation rather than advanced laboratory analysis. Vetiver extract was obtained through a basic steam distillation process, while rose extract was prepared using water-based maceration. Both extracts were combined with a bioethanol-based solvent to produce a natural antiseptic spray formulation. The evaluation of the product focused on observable characteristics, including aroma, appearance, ease of use, and user response. Limited testing was carried out through non-clinical observation to assess user acceptance and potential irritation after short-term use. The results showed that the antiseptic spray had a pleasant natural aroma and was well accepted by users. No visible adverse reactions such as redness, itching, or discomfort were reported during limited observation. Based on these findings, the formulated antiseptic spray demonstrates potential as a natural and environmentally friendly product for external use. However, this study did not include chemical composition analysis, antioxidant testing, or microbiological assays. Therefore, the results are limited to formulation outcomes and user acceptance. Further research involving controlled laboratory testing is recommended to evaluate the chemical properties and antimicrobial effectiveness of the product.
Co-Authors Alawi Hadad El Shirazy Amiratus Saidah Ariani Pratiwi Dafa Arkananta Saputro Ghaitsa Nurnazma Kenzie Abiyyu Pranaja M. Rizkie Akbar Gumilar Muhamad Naufal Muzhaffar Nadiva Firya Khamdani Syifa Aryanti Zaira Janeeta Akmalul Iman