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All Journal Jurnal Teknik ITS IPTEK The Journal for Technology and Science Jurnal Teknik Kimia Rekayasa Mesin JURNAL INTEGRASI PROSES AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Jurnal IPTEK Konversi Jurnal Rekayasa Bahan Alam dan Energi Berkelanjutan Journal of Research and Technology BERDIKARI : Jurnal Inovasi dan Penerapan Ipteks SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Logista: Jurnal Ilmiah Pengabdian Kepada Masyarakat Jurnal Ilmiah Teknik Kimia Jurnal ABDINUS : Jurnal Pengabdian Nusantara Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) Jurnal PkM (Pengabdian kepada Masyarakat) AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Pengbdian Teknik Mesin Jurnal Abdimas Indonesia JURNAL REKAYASA KIMIA & LINGKUNGAN
Erliyanti, Nove Kartika
Department Of Chemical Engineering, Faculty Of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur (UPN), Gunung Anyar, Surabaya 60294, Indonesia
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Unveiling the role of cellulose solvent systems in direct and sustainable silica amination: a new pathway beyond aminopropyl agents Ajiz, Hendrix Abdul; Widiyastuti, Widiyastuti; Setyawan, Heru; Muljani, Srie; Suryandari, Ade Sonya; Erliyanti, Nove Kartika
Konversi Vol 14, No 2 (2025): OCTOBER 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v14i2.23610

Abstract

The functionalization of silica surfaces using sustainable amine sources is critical for advancing environmentally friendly materials in CO2 capture technologies. In this study, bio-based organosilanes derived from coconut fiber cellulose were explored as a green alternative to conventional aminosilane. Two solvent systems DMSO/NH4OH and NaOH/urea were utilized to dissolve and regenerate cellulose, enabling direct grafting onto silica surfaces. Comparative analysis revealed that while DMSO/NH4OH-dissolved cellulose exhibited a modest amine loading of 23.43% wt, comparable to aminopropyl-based modification (22.41% wt), the NaOH/urea system significantly improved the grafting efficiency, reaching 40.52% wt. This enhancement is attributed to urea’s amphiphilic properties, which facilitate both hydrophobic interactions and carbamate formation. The use of a sulfur-free NaOH/urea system not only improves performance but also aligns with green chemistry principles. These results demonstrate the potential of biomass-derived cellulose as a viable modifying agent for silica, paving the way for scalable, low-toxicity, and circular-economy-based material design strategies.
Sonochemical-assisted biosynthesis of silver nanoparticles using cymbopogon nardus L. essential oil: advanced process optimization through response surface methodology Wira, Guardiola Rosa; Maharani, Hijria Putri; Erliyanti, Nove Kartika; Panjaitan, Renova; Pujiastuti, Caecilia
Konversi Vol 14, No 1 (2025): APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v14i1.21906

Abstract

This research investigates the fabrication and characterization regarding silver nanoparticles (AgNPs) utilizing essential oil derived from citronella leaves (Cymbopogon nardus L.) as a bioreductant. The synthesis method employed is sonochemistry, with variations in pH levels to determine optimal conditions for AgNPs yield. The use of essential oil as a bioreductant offers eco-friendly advantages and high efficiency in reducing metal ions. The results indicate that the highest yield of 8.67% was achieved at pH 9.0280 and 59.7190 minutes of sonochemical processing. Statistical optimization of processing parameters was conducted to maximize the yield of AgNPs, with the optimization process analyzed using Response Surface Methodology (RSM). The sequence of experimental runs, condition variations, and obtained results were determined using the Central Composite Design (CCD). The model demonstrates a strong correlation with the experimental data, exhibiting an adjusted R² value of 0.9684. A high F-value of 30.61 and a low p-value of 0.0009 suggest that the regression model is statistically significant and effectively accounts for variations in AgNPs yield. The lack-of-fit value for the model is 0.0359, indicating no significant discrepancy between the experimental data and the model's predicted values. The successful formation of AgNPs was confirmed, with absorption peaks observed within the 400–450 nm range.
Co-Authors Abdurrahman Wahid Achmad Chumaidi, Achmad Achmad Rizaldi Adzani, Mayla Fayzza Afandi, Fadila Ardiansyah Afida Kartika Sari Ahmad Rizaldi Ajiz, Hendrix Abdul Alwansyah, Yuki Amru Amanda, Nabila Ayu Andre Yusuf Trisna Putra Annisa Rachma Meydyanti Anugerah Dany Priyanto Anugerah Dany Priyanto, Anugerah Dany Ardika Nurmawati, Ardika Aththobarani, Muhammad Daffa' Bellani Yunfa Winata Billah, Mu’tasim Billah, Mutasim Billah, Mu’tasim Bimantara Hidayah Caecilia Pujiastuti Caecilia Pujiastuti Caecilia Pujiastuti Devri Eko Nurwahyuwono Dhining Ayu Dika Prasetyo Dita Nurmala Tristanti Dwi Nur Arinal Khaq Elsa Rosyidah Erwan Adi Saputro Fita Andriyani Fransisca Asteria Nandra Febiola Hamid, Muhammad Nabil Hamzah Fansuri Harishul Ulum Heru Setyawan Hidayah, Bimantara Ira Wikartika Kaffah, Elsyaff Visshilmi Karaman, Novel Khurotul Ainiyah Kusuma, Meidina Rafida Kusumawati, Yuly Laksminingsih, Arieanthi Luqman Agung Wicaksono Maharani, Hijria Putri Mardiansyah, Yuda Eka Mohd Hafiz Dzarfan Othman Mu'tasim Billah Muchamad Fajar Alamsyah Mutasim Billah Nana Dyah Siswati, Anwar Zain and Mohammad Nandini , Atika Neno Nidia Lifiana Norizul Inayah Nova Triani Panjaitan, Renova Pujiastuti , Caecilia Pujiastuti, Caecilia Putra , Sandy Buana Putra, Andre Yusuf Trisna Putra, Sandy Buana Rachmad Yogaswara Rahma, Aliza Milah Rangga Kurnia Putra Renova Panjaitan Rina Yulianti Romalawati, Meiswita Setyabudi, Lintang Sekar Wulandari Silvana Dwi Nurherdiana Sintha Soraya Santi Soemargono Soemargono Soemargono Soemargono Soemargono Sri Redjeki SRIE MULJANI Sunarto, Sandy Ryan Hendrawanto Suprianti, Lilik Suryandari, Ade Sonya Susilowati Syafsir Akhlus Syahrani, Alza Nadilla Tahan Aprijal Simamora Tahan Simamora Tikat Deri Agratiyan Triana, Nurul Widji Viola Eka Afrienty Wicaksono, Achmad Pemadi Wicaksono, Akhmad Permadi Widiyastuti Widiyastuti Wira, Guardiola Rosa Yasiroh, Halin Hijra Yogaswara, Rachmad Ramadhan Yoghaswara, Rachmad Ramadhan Yuki Amru Alwansyah Zamzami, Muhammad Rifqy