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All Journal Jurnal Teknik Kimia Eksergi: Chemical Engineering Journal Indonesian Journal of Chemistry Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya G-Tech : Jurnal Teknologi Terapan Community Empowerment International Journal of Eco-Innovation in Science and Engineering (IJEISE) Halal Research Journal AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Journal of Fundamentals and Applications of Chemical Engineering Journal Serambi Engineering (JSE)
Aisyah Alifatul Zahidah Rohmah
Chemical Engineering Department, Faculty Of Engineering And Science, Universitas Pembangunan Nasional “Veteran” Jawa Timur
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences

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Alkali Hydrogen Peroxide (AHP) Pretreatment to Increase The Cellulose Content In Durian Peel Waste Nur Makhmudi; Tri Utami Setyawati; Sani Sani; Aisyah Alifatul Zahidah Rohmah; Raka Selaksa Charisma Muchammad
G-Tech: Jurnal Teknologi Terapan Vol 10 No 3 (2026): G-Tech, Vol. 10 No. 3 July 2026
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v10i3.9675

Abstract

Indonesia is one of the largest producers of durian, generating substantial quantities of durian peel waste. Due to its high cellulose content, durian peel has strong potential as a lignocellulosic feedstock for reducing sugar and biofuel production. However, the presence of lignin and hemicellulose limits cellulose accessibility and inhibits hydrolysis. This study investigated Alkali Hydrogen Peroxide (AHP) pretreatment to enhance cellulose purity in durian peel waste. Pretreatment was carried out using H₂O₂ concentrations of 0.5–8.5% (w/v) with NaOH adjustment to pH 11–12 at 70°C for 3 h. The optimum condition was obtained at 8.5% H₂O₂, which increased cellulose content from 63.02% to 75.05%, reduced hemicellulose by 24.4%, and removed 99.5% of lignin. Scanning Electron Microscopy (SEM) analysis confirmed the formation of a rougher and more porous surface after pretreatment, indicating disruption of the lignocellulosic structure. Statistical analysis using ANOVA showed that H₂O₂ concentration significantly affected cellulose, hemicellulose, and lignin responses (p < 0.05). These results demonstrate that AHP pretreatment is highly effective in improving cellulose accessibility and provides a promising approach for converting durian peel waste into reducing sugars and other bio-based products.
Electrospun PLA/Cellulose/Chitosan/PEG Nanofibers for Wound Dressing: Effects of Composition and Feed Rate Shofiyah; Syis Muhim; Srie Muljani; Tri Widjaja; Aisyah Alifatul Zahidah Rohmah; Citra Yulia S ari
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 1 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i1.959

Abstract

This study presents the development of a biocompatible and biodegradable nanofiber-based wound dressing fabricated via electrospinning using a composite of polylactic acid (PLA), cellulose, chitosan, and polyethylene glycol (PEG). The novelty of this work lies in the systematic control of material composition and processing parameters, particularly the feed rate, to regulate fiber morphology and surface properties. The results demonstrate that the incorporation of PEG, cellulose, and chitosan influences the contact angle through intermolecular hydrogen bonding, without forming new chemical bonds, indicating that physical blending rather than chemical interactions govern the system. Furthermore, increasing the feed rate enhances polymer jet stretching, resulting in finer and more uniform nanofibers. The resulting nanofiber structure exhibits characteristics suitable for wound dressing applications, including improved interaction with aqueous environments and structural uniformity. Overall, this study provides insight into the relationship between material composition, processing conditions, and nanofiber formation mechanisms, contributing to the rational design of advanced biomaterials for biomedical applications. Contribution to Sustainable Development Goals (SDGs):SDG 3: Good Health and Well-beingSDG 9: Industry, Innovation and InfrastructureSDG 12: Responsible Consumption and ProductionSDG 13: Climate Action
Sintesis Biodegradable Foam dari Styrofoam dan Pati Jagung Rahmadini Rosika Fatimah; Hasanah Hasan Besuni; Srie Muljani; Suprihatin; Aisyah Alifatul Zahidah Rohmah
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Limbah styrofoam merupakan sampah yang sulit terurai dan penggunaannya akan terus mencari lingkungan, sehingga diperlukan alternatif kemasan yang bersifat biodegradable. Penelitian ini bertujuan untuk mensistensis biodeogradable foam dari pati jagung dan limbah styrofoam dengan penguat serat bambu dan pengikat polivinil alkohol (PVA), dan gliserol sebagai plasticizer menggunakan metode baking. Variabel yang dikaji adalah massa pati (20,23,26,29, dan 32 gram) dan konsentrasi gliserol 20, 23,26,29, dan 32% dari massa pati). kemudian dilakukan karatkterisasi biofoam dilakukan melalui uji biodegradasi, uji daya serap  air dan uji kadar air. Hasil penelitian menunjukkan bahwa nilai biodegradasi tertinggi sebesar 28,67% pada komposisi pati 26 gram dengan gliserol 20%, sedangkan nilai terendah sebesar 5,6% pada pati 32 gram dengan gliserol 29%. Daya serap air tertinggi sebesar 19,5% pada pati 20 gram dngan gliserol 20% dan terendah sebesar 6% pada pati 32 gram dengan giserol 32%. Kadar air biofoam berkisar antara 9% hingga 14,4% yang masih memenuhi standar SNI sebesar 6-15%. Peningkatan glisserol dan massapati secara umum menurunkan biodegradasi dan daya serap air namun meningkatkan kadar air. Kombinasi pati 26 gram dengan gliserol 26% memberikan keseimbangan terbaik di antara ketiga karakterisasi tersebut, sehingga biofoam berbahan styrofoam dan pati jagung berpotensi sebagai alternatif kemasan ramah lingkungan.
Co-Authors Achmad Rizal Alifah Nur Aini Fajrin Aziz, Ahmad Musonnifin Azka, Salsabilla Belinda Laulista Caecilia Pudjiastuti Citra Yulia S ari Citra Yulia Sari Desy Miftachul Erwan Adi Saputro Hasanah Hasan Besuni Ketut Sumada M. Ghufron Chakim Nailah, Rossesari Nanda Yunita Pratiwi Ni'mah, Hikmatun Ni’mah, Hikmatun Nur Makhmudi Pujiastuti, Caecilia Pujiastuti, Caecilia Rahmadini Rosika Fatimah Raka Selaksa Charisma Muchammad Sani Sani Sani Saputra, Bayu Yusuf Eka Sari, Citra Yulia Setiyo Gunawan Shintya Hotnauli Turnip Shofiyah Siti Nurkhamidah Srie Muljani SRIE MULJANI Suprianti, Lilik Suprihatin Suprihatin Suprihatin Syis Muhim Tirta, Anggi Tri Utami Setyawati Tri Widjaja Tri Widjaja Tri Widjaja Wardhono, Endarto Yudo Widjaja, Tri Widjaja, Tri