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All Journal Reaktor International Journal of Science and Engineering (IJSE) International Journal of Renewable Energy Development Abdimas Jurnal Bahan Alam Terbarukan Sainteknol : Jurnal Sains dan Teknologi Rekayasa Mesin Seminar Nasional Teknik Kimia Kejuangan Konversi Journal Of Chemical Process Engineering (JCPE) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Indonesia Journal of Halal Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Jurnal Inovasi Teknik Kimia ASEAN Journal of Chemical Engineering Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang Food ScienTech Journal Bubungan Tinggi: Jurnal Pengabdian Masyarakat REACTOR : Journal of Research On Chemistry And Engineering Jurnal Bina Desa International Journal of Research Innovation and Entrepreneurship International Journal of Renewable Energy Development Journal Of Chemical Process Engineering Journal of Clean Technology JURNAL REKAYASA KIMIA & LINGKUNGAN Sainteknol : Jurnal Sains dan Teknologi Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran
Astrilia Damayanti
Universitas Negeri Semarang
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Penangkapan Karbon Dioksida Berbasis Gliserol Sebagai Solusi Berkelanjutan Untuk Mitigasi Karbon: Review Nuryoto Nuryoto; Ekasari Ekasari; Sri Agustina; Astrilia Damayanti
Jurnal Inovasi Teknik Kimia Vol. 11 No. 2 (2026): APRIL | INTEKA - Jurnal Inovasi Teknik Kimia
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/inteka.v11i2.15155

Abstract

Carbon dioxide (CO₂) capture technology continues to advance in line with global commitments to emission reduction. Glycerol, an abundant by-product of the biodiesel industry, has potential as an alternative absorbent due to its low cost, biodegradability, and low vapor pressure. This review aims to analyze the performance of glycerol-based CO₂ capture by evaluating the effects of temperature, pressure, gas flow rate, and solution concentration on process efficiency, as well as identifying research gaps for further development. In general, increasing operating parameters enhances the mass transfer coefficient and CO₂ capture efficiency up to an optimum limit, beyond which performance declines. The addition of solvents such as water and monoethanolamine (MEA) to glycerol has been shown to improve capture efficiency from 27.31% to 64.33%, although it may lead to the formation of by-products. Future work requires further laboratory-scale experimental studies, such as the use of bubble column reactors to enhance gas–liquid contact, in order to achieve optimal process conditions and maximize glycerol carbonate yield.
Synergistic Enhancement of Lignocellulosic Biomass Saccharification via Ultrasound-Assisted Pretreatment with Magnetic Fe₃O₄ Hanif Ardhiansyah; Astrilia Damayanti; Zuhriyan Ash Shiddieqy Bahlawan; Serlia Fitri Sadan; Nurul Khusna; Karenina Hakim
Sainteknol : Jurnal Sains dan Teknologi Vol. 23 No. 2 (2025): December 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sainteknol.v23i2.41061

Abstract

The recalcitrant structure of lignocellulosic biomass necessitates efficient pretreatment strategies to enhance enzymatic saccharification for biofuel production. This study investigates a synergistic approach combining ultrasound irradiation with magnetic Fe₃O₄ for pretreating rice straw. A 2² factorial experimental design was employed to systematically evaluate the individual and combined effects of ultrasound (300 W, 30 min) and Fe₃O₄ addition (1.5 wt%). The combined treatment exhibited a pronounced synergistic effect, achieving 68.3% delignification and reducing the crystallinity index from 52.4% to 31.2%. These structural modifications resulted in a saccharification yield of 72.5%, which was significantly higher than the theoretical additive yield of 48.7% (raw: 18.5%, Fe₃O₄-only: 26.0%, ultrasound-only: 41.2%). SEM observations revealed extensive surface erosion, pore formation, and microfibril exposure after the combined pretreatment, while FTIR analysis confirmed substantial lignin removal. Furthermore, magnetic Fe₃O₄ demonstrated excellent magnetic separability, with a recovery efficiency higher than 95%, and maintained pretreatment performance over five reuse cycles with < 8% reduction in efficacy. Overall, this work presents a green, efficient, and economically promising pretreatment strategy based on synergistic ultrasound–magnetic Fe₃O₄ interactions, offering an effective pathway for enhancing lignocellulosic biomass saccharification and supporting the development of sustainable biorefinery processes.
Optimizing Carica Waste Processing into Liquid Organic Fertilizer Using Bioconversion Techniques to Increase Agricultural Productivity in Kejajar District, Wonosobo Zuhriyan Ash Shiddieqy Bahlawan; Megawati Megawati; Irene Nindita Pradnya; Astrilia Damayanti; Indrasukma Permanadewi; Maulida Zakia
Journal of Clean Technology Vol. 3 No. 1 (2026): February 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/joct.v3i1.44800

Abstract

This community service program aims to optimize the use of Carica (Carica pubescens) waste into liquid organic fertilizer through bioconversion techniques, while simultaneously increasing the capacity of MSMEs and farmer groups in Kejajar District, Wonosobo. Activities include outreach, training, and mentoring in the production of liquid organic fertilizer on a household scale using simple technology based on decomposer microbes. The results of the community service show an increase in partners' knowledge and skills in Carica waste fermentation techniques, as well as in the production of liquid organic fertilizer with physical, chemical, and microbiological properties suitable for organic farming. Analysis shows decrease in pH and color changes, a distinctive fermentation odor, and increases in nutrient content (N, P, K), along with variations in substrate concentration. In addition, participants received mentoring on digital marketing strategies to increase the product's economic value. This program contributes to reducing Carica industrial waste, providing alternative organic fertilizers, and empowering local communities to improve welfare based on regional potential.
Comparison of Nanoemulsions and Conservation as a Biopesticide Encapsulation Strategy from Fermentation and Extraction: Review Astrilia Damayanti; Widya Sari Kusuma Wijayanti; Grandis Belva Ardana; Fera Utnita Sari; Muhamad Reihan Prananda; Sangeetaprivya P. Siva
Rekayasa Vol. 23 No. 2 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v23i2.42739

Abstract

The increasing demand for sustainable agriculture has accelerated the development of biopesticides as environmentally friendly alternatives to synthetic pesticides. However, their application remains constrained by poor stability, low solubility, rapid degradation, and inconsistent field performance. This review aims to evaluate the relationship between bioactive compound production methods and appropriate encapsulation techniques, focusing on fermentation- and extraction-derived biopesticides. A comparative analysis of recent literature was conducted to assess the compatibility of fermentation and extraction processes with coacervation and nanoemulsion encapsulation technologies. The analysis shows that fermentation-derived bioactive compounds, including microbial spores and protein toxins, are best protected through coacervation, which enhances environmental stability and enables controlled release. Conversely, extraction-derived bioactive compounds, such as essential oils, terpenoids, and phenolics, are more effectively formulated using nanoemulsions, improving solubility, dispersion, bioavailability, and biological efficacy while reducing application rates. Matching bioactive production methods with suitable encapsulation strategies significantly enhances formulation stability, active ingredient delivery, and pest control performance. This integrated approach provides a practical framework for developing effective, stable, and commercially viable biopesticides to support sustainable agricultural systems. This review, based on a comparative analysis of recent studies, highlights that fermentation-derived bioactives are more compatible with coacervation systems, whereas extraction-derived bioactives are better suited for nanoemulsion formulations. The findings emphasise that aligning the characteristics of bioactive sources with suitable encapsulation techniques is crucial for improving stability, active ingredient loading, and pest control performance. This integrated approach provides a strategic framework for designing effective, stable, and commercially viable biopesticide formulations that support sustainable agriculture.
Optimization of Acid Degumming of Crude Rice Bran Oil (CRBO) on Phospholipid Removal Using Response Surface Methodology (RSM) Astrilia Damayanti; megawati megawati; Ima Winaningsih; Doni Rahmat Wicakso; Nuryoto Nuryoto; Yusuf Rumbino; Ridwan Anung Prasetyo; Muhammad Prabu Rizki
Jurnal Rekayasa Kimia & Lingkungan Vol 20, No 1 (2025): Jurnal Rekayasa Kimia & Lingkungan (June, 2025)
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23955/rkl.v20i1.43691

Abstract

Rice bran, a byproduct of milling rice, has 60% nutritional content and potential for processing into higher-selling goods like rice bran oil (RBO). Degumming is the first stage of refining crude oil. This research aims to remove phospholipids in crude rice bran oil (CRBO) by optimizing acid degumming. Three variables were optimized in this study using Design Expert v13's response surface methodology (RSM) employing central composite design (CCD) experimental design: the amount of phosphoric acid (0.1, 0.15, and 0.2 %w/w), the degumming temperature (50, 70, and 90 C), and the degumming time (20, 30, 40 minutes). The experimental values and predicted results did not correlate well with percentages (%) of error, with more than 50% occurring in 4 of 19 runs. The model's p-value of 0.4939 ( 0.05) is non-significant, with the coefficient determination, R2 being 0.5026. Optimization with desirability value ( 0.5) results showed a phospholipid removal response of 40.479% under conditions of adding 0.1%w/w phosphoric acid, temperature of 83.21 C, and degumming time of 40 minutes, which were determined by Derringers methodology..
Co-Authors Ababil, Devara Candra Abdurrafi, Faishol Ahmed Tessario Ekanuramanta Amalia Larasati Amelia Fitri Ananda Muthi Athirah Anfita Aulia Sakinah Angga Pratama Anggun Enjelita Anggun Septiamurti Ar Rasyid, Moh. Rizal Arie Taveriyanto Artanti Putri, Dewi Ayasha Maharani Ayasha Maharani Ayu Nur Permadhini Bahlawan, Zuhriyan Ash Shiddieqy Bariroh, Siti Bayu Triwibowo Bayu Triwibowo Calista Arsanti Ramadhani Catur Rini Widyastuti, Catur Rini Cyeva Primahasta Desy Hikmatul Siami Dewi Selvia Fardhyanti Dewi, Yasinda Verrel Dinara Shinka Dillah, Shohib Qomad Doni Rahmat Wicakso Eka Sari, Eka Eko Setyawan Endah Ayu Fitriana Eva Amalia Alvionita Eva Amalia Alvionita Fadlurrohman Fadlurrohman Fahreza Pracenda Felicitia Fera Utnita Sari Fitri Nur Kayati Fitriana, Endah Ayu Fitriyani, Winda Risma Fortuna, Dwi Grandis Belva Ardana Hanif Ardhiansyah Haniif Prasetiawan Harianingsih, Harianingsih Harianingsih, Harianingsih Harsya Grezdipa Pratama Hernadin, Ivan Aldino Hutomo , Gayuh Aditya Hutomo, Gayuh Aditya Ima Winaningsih Ima Winaningsih Indrasukma Permanadewi Irene Nindita Pradnya Isaroyati, Luluk Kakalia Putri Auralita Karenina Hakim Kautsar Taqi Imanullah Kevin Thomas Khoridatus Sulwa Krisdayanti , Shendy Kristi, Silvia Yolanda kurniawan, Adhetya Larasati, Amalia Layliyah, Marifatul Luluk Arvi Cahyaning Suwandi Luqman Buchori Luvena Salsabila M Burhan Rubai Wijaya M. Burhan Rubai Wijaya Maftuchan, Maftuchan Magfiroh, Meilina Maharani, Anggun Maulida Zakia Megawati Megawati - Megawati Megawati Megawati Megawati Megawati Megawati Megawati Megawati Megawati Megawati Melanie Hartalia Putrie Miftahuddin Azhari Moh. Rizal Ar Rasyid Muhamad Reihan Prananda Muhammad Fadhlan Dzikri Muhammad Prabu Rizki Noor Ubay, Isnina Nur Kholifah Chandra Mulyani Nur Kholifah Chandra Mulyani Nurkhasanah, Eva Nurul Huda Nurul Khusna Nuryoto Nuryoto Nuryoto Oktaviana, Vira Prasetyo, Ridwan Anung Prayogo, Robby Danang Qurnaini, Rika Alda Radenrara Dewi Artanti Putri Radenrara Dewi Artanti Putri Radenrara Dewi Artanti Putri, Radenrara Dewi Artanti Radenrara Putri Rahimsyah Ijas Nur Rasyid Rahmayetty Rahmayetty Revasha Ajeng Kamalia Reyhan Dwi Saputra Riana Defi Mahadji Putri Ridwan Anung Prasetyo Salma Alfahra Choirunisa Salwa, Dian Fatimatus Sandra Anggita Fadriana Sangeetaprivya P. Siva Sarto Sarto - Sarto Sarto Sarto Serlia Fitri Sadan Siti Bariroh Sri Agustina Sulardjaka, S Syafitri, Laila Taufan Satya Wiguna Triani, Fita Tsani Muftidar Wahyudi Budi Sediawan Wahyudi Budi Sediawan Wahyudi Budi Sediawan Waryanto, Arif Wibowo, Muhammad Yusuf Widaya, Adi Risma Widi Astuti Widi Astuti Widi Widayat Widya Sari Kusuma Wijayanti Wijaya, Muhammad Burhan Rubai Yessy Anna Pratiwi Yusuf Rumbino Zulfi Fitriani