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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 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 Journal Of Chemical Process Engineering Journal of Clean Technology JURNAL REKAYASA KIMIA & LINGKUNGAN Sainteknol : Jurnal Sains dan Teknologi
Astrilia Damayanti
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education 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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Optimization of Acid Degumming of Crude Rice Bran Oil (CRBO) on Phospholipid Removal Using Response Surface Methodology (RSM) Damayanti, Astrilia; megawati, megawati; Winaningsih, Ima; Wicakso, Doni Rahmat; Nuryoto, Nuryoto; Rumbino, Yusuf; Prasetyo, Ridwan Anung; Rizki, Muhammad Prabu
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..
Penguatan Desain Kemasan Pupuk Kotoran Sapi dalam upaya Pemberdayaan Kelompok Tani “Dewi Sri”: Strengthening the Design of Cow Manure Fertilizer Packaging to Empower The "Dewi Sri" Farmer Groups Wijaya, Muhammad Burhan Rubai; Damayanti, Astrilia; Kurniawan, Adhetya; Wibowo, Muhammad Yusuf; Ar Rasyid, Moh. Rizal; Salwa, Dian Fatimatus; Fitri, Amelia
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 8 No. 6 (2023): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v8i6.5590

Abstract

The “Dewi Sri” Farmers Group is located in Terwidi Hamlet in Plalangan Village, Gunungpati, Semarang City, where part of the population raises various livestock, namely cows, goats and poultry. The problem that occurs is the accumulation of cow dung which causes environmental pollution. This service activity aims to overcome the buildup of livestock waste, especially cow manure by using it as organic fertilizer and then packaging it with an attractive design so that it has a high selling value. The methods used are preparation, socialization, and mentoring. The results obtained from this activity, the preparation/coordination stage with the head of KT Dewi Sri, the socialization stage in the form of an explanation of the innovative packaging design, and the mentoring stage in the form of the issuance of a Packaging Design Copyright by the Directorate General of Intellectual Property.
OBSERVASI PENURUNAN TEKANAN (PRESSURE DROP) PADA SISTEM PERPIPAAN: PENGARUH PANJANG DAN DIAMETER PIPA, ELBOW, DAN TEE Nuryoto, Nuryoto; Rahmayetty, Rahmayetty; Yusuf Rumbino; Astrilia Damayanti; Doni Rahmat Wicakso
Jurnal Rekayasa Mesin Vol. 15 No. 2 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i2.1666

Abstract

The piping system is a fundamental process equipment in the industry. The phenomena that occur in piping systems vary depending on the conditions of the pipes and the fluids flowing through them. Therefore, research related to piping systems requires attention to minimize and understand the occurring phenomena. There have been many studies related to piping analysis, but what sets this research apart from previous studies is that it focuses on examining the contribution of each component of the piping system to friction loss-pressure drop. Furthermore, the data obtained is used to determine the deviation or difference between experimental data and theoretical calculations. This research aims to study the correlation between friction loss and pressure drop in piping systems (including pipes, elbows, and tees) and to determine the extent of deviation between theoretical calculations and actual conditions, as well as to understand the trend of such deviations. Results show that as the length of the pipe increases, there is an increase in pressure drop, especially for pipe lengths of 0.6, 0.8, and 1.4 meters, the values are 275.26, 367.0, and 642.27 Pa over density, respectively. Conversely, as the pipe diameter increases, the resulting pressure drop becomes smaller, namely for pipe diameters of 0.5, 0.75, and 1.25 inches, the values are 266.64, 93.33, and 13.33 Pa over density, respectively. In the observation of the influence of fittings, it is shown that the pressure drop generated by elbows is greater than that of tees, with values of 26.66 and 13.33 Pa over density, respectively. When calculating the percentage deviation, there is a tendency for longer pipes and larger diameters will increase the percentage of deviation. For pipe lengths of 0.4, 0.6, and 1.4 meters, the percentage deviations are 3.23, 10.11, and 17.50%, respectively. For variations in pipe diameter, the percentage deviations are 3.23, 41.74, and 47.15% for diameters of 0.5, 0.75, and 1.25 inches, respectively. Meanwhile, the percentage deviation for tees is greater than that of elbows, with values of 84.78% (for elbows) and 185.02% (for tees).
Peningkatan Kandungan Nutrisi dan Mutu Biskuit Berbasis Tepung Sorgum Melalui Modifikasi Perendaman dan Fortifikasi Tepung Kedelai Bahlawan, Zuhriyan Ash Shiddieqy; Megawati, Megawati; Damayanti, Astrilia; Abdurrafi, Faishol; Hutomo , Gayuh Aditya
REACTOR: Journal of Research on Chemistry and Engineering Vol. 6 No. 1 (2025)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v6i1.183

Abstract

Biscuits are a popular snack due to their practicality, affordability, and potential as a high-nutrition food. However, biscuit production in Indonesia still depends on imported wheat flour, which poses challenges, especially for people with gluten intolerance or wheat allergies. Therefore, the development of local flour alternatives is essential to support food diversification and reduce wheat dependence. Sorghum (Sorghum bicolor (L.) Moench) is a potential local cereal with high carbohydrates and gluten-free properties but contains tannins that can reduce nutritional quality. This study aimed to evaluate the effect of NaOH soaking on reducing tannin content in sorghum flour and its application in biscuit production with soybean flour fortification as a protein source. Sorghum was soaked in NaOH solution (0.1–0.3%) at 30–50°C. Biscuits were formulated with soybean flour substitution levels of 0–50%. The biscuits were analyzed for proximate composition, tannin content, and sensory properties. Data were analyzed using ANOVA test. Results showed that NaOH soaking reduced tannin content up to 72.455 ppm. Soybean flour substitution significantly affected protein, fat, and carbohydrate content (p < 0.05) but not crude fiber. The highest protein content (8.03%) was found in biscuits with 50% soybean flour, while the highest carbohydrate content (64.40%) was in biscuits without soybean flour. Sensory analysis showed no significant difference between biscuit variants (p > 0.05). This study demonstrates the potential of NaOH-modified sorghum flour combined with soybean flour fortification for producing high-nutrition biscuits and supporting local flour diversification in Indonesia.
Pemberdayaan UMKM Sinar Berkah melalui penguatan produk unggulan pendukung Desa Wisata Cerdas Desa Munding M. Burhan Rubai Wijaya; Astrilia Damayanti; Widi Widayat; Adhetya Kurniawan; Moh. Rizal Ar Rasyid; Taufan Satya Wiguna; Fadlurrohman Fadlurrohman
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 9, No 1 (2025): January
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v%vi%i.26731

Abstract

AbstrakKegiatan Pengabdian kepada Masyarakat (PKM) ini bertujuan untuk menguatkan produk unggulan UMKM” Sinar Berkah” Pendukung Desa Wisata Cerdas Desa Munding melalui pemberdayaan potensi produk UMKM di Desa Wisata wisata cerdas Munding sebagai daya Tarik objek wisata alam Curug Tirto Wening di Kawasan Desa Munding Kecamatan Bergas Kabupaten Semarang. Dalam pelaksanaan pengabdian ini, Tim pelaksana menggunakan tiga metode yaitu metode wawancara, observasi dan analisis SWOT. Perkembangan wisata alam tirto wening yang cepat perlu didukung produk-produk unggulan UMKM sebagai daya tarik pengunjung wisata, dimana masyarakat Desa Munding  menyajikan produk unggulan UMKM “Sinar Berkah”, seperti sayur-sayuran, daun bawang (onclang) dan berbagai produk unggulan makanan khas Desa yaitu  Kripik  OncLang,  Jamu Gendong Kopi  KopLak, Lonto  DimcLang,  Aneka  Jajan  Pasar, Aneka kerajinan Rotan, Kran bunga papan dan yang masih daLam pengembangan untuk menuju Desa Wisata Cerdas. Kata kunci: UMKM; produk unggulan; desa wisata cerdas; Curug Tirtowening. AbstractThis Community Service Activity (PKM) aims to strengthen the superior MSME product "Sinar Berkah" Supporting the Munding Village Smart Tourism Village by empowering the potential of MSME products in the Munding Smart Tourism Village as an attraction for the natural tourist attraction Tirto Wening Waterfall in the Munding Village Area, Bergas District Semarang Regency. In carrying out this service, the implementing team used three methods, namely interview methods, observation and SWOT analysis. The rapid development of Tirto Wening natural tourism needs to be supported by superior MSME products as an attraction for tourist visitors, where the people of Munding Village present superior MSME products "Sinar Berkah", such as vegetables, spring onions (onclang) and various superior products of typical village food. namely OncLang Chips, KopLak Coffee Carrying Herbal Medicine, Lonto DimcLang, Various Market Snacks, Various Rattan crafts, Kran flower boards and those which are still under development to become Smart Tourism Village. Keywords: MSME; superior product; smart tourism village; Tirto Wening Waterfall
Synergistic Enhancement of Lignocellulosic Biomass Saccharification via Ultrasound-Assisted Pretreatment with Magnetic Fe₃O₄ Hanif Ardhiansyah; Astrilia Damayanti; Bahlawan, Zuhriyan Ash Shiddieqy; 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 Bahlawan, Zuhriyan Ash Shiddieqy; Megawati, Megawati; Pradnya, Irene Nindita; Damayanti, Astrilia; Permanadewi, Indrasukma; Zakia, Maulida
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.
Penangkapan Karbon Dioksida Berbasis Gliserol Sebagai Solusi Berkelanjutan Untuk Mitigasi Karbon: Review Nuryoto, Nuryoto; Ekasari, Ekasari; Agustina, Sri; Damayanti, Astrilia
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.
Physicochemical Characteristics of Ketapang (Terminalia catappa L.) Seed–Fortified Yogurt Astrilia Damayanti; Zuhriyan Ash Shiddieqy Bahlawan; Ima Winaningsih; Fitri Nur Kayati; Yessy Anna Pratiwi; Kakalia Putri Auralita; Anggun Enjelita; Calista Arsanti Ramadhani; Harsya Grezdipa Pratama; Ayasha Maharani; Muhammad Fadhlan Dzikri
Food ScienTech Journal Vol 8, No 1 (2026)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v8i1.35989

Abstract

Ketapang (Terminalia catappa L.) seeds are rich in protein and unsaturated fatty acids, making them a promising ingredient for fortifying functional dairy products. This study evaluated the effects of Ketapang seed fortification and starter culture concentrations on the physicochemical characteristics of yogurt. Yogurt was prepared with Ketapang seed milk at 0%, 10%, 15%, and 20% (v/v) and starter culture at 5%, 10%, 15%, and 20% (v/v), then stored at 4 ± 1 °C for 24 h to stabilize the gel structure before analysis. Protein, pH, syneresis, viscosity, and total solids were analyzed using standard methods, with data evaluated by two-way ANOVA and Tukey’s test (p < 0.01). Results showed that fortification significantly improved all parameters: protein increased from 5.67% (control) to 8.54% (20% seeds, 20% starter), total solids rose from 2.71% to 5.59%, viscosity increased nearly four-fold from 40.95 to 164.02 mPa·s, pH declined from 4.41 to 3.80, and syneresis decreased from 0.546 g/g to 0.109 g/g. The synergistic interaction between Ketapang proteins and lactic acid bacteria enhanced the composition, gel structure, and water-holding capacity of yogurt, resulting in firmer, more stable, and nutritionally enriched products. These findings highlight Ketapang seeds as a novel fortification material for the development of high-protein functional dairy products. This research supports Sustainable Development Goals (SDGs 2 and 3) and the national Asta Cita mission by optimizing underutilized local resources to enhance public nutrition.
Co-Authors Ababil, Devara Candra Abdurrafi, Faishol Ahmed Tessario Ekanuramanta Amelia Fitri Ananda Muthi Athirah Angga Pratama Anggun Enjelita Anggun Septiamurti Ar Rasyid, Moh. Rizal Artanti Putri, Dewi Ayasha Maharani Ayasha Maharani Ayu Nur Permadhini Bahlawan, Zuhriyan Ash Shiddieqy Bariroh, Siti Bayu Triwibowo Calista Arsanti Ramadhani Catur Rini Widyastuti, Catur Rini Desy Hikmatul Siami Dewi Selvia Fardhyanti Doni Rahmat Wicakso Ekasari Ekasari, Ekasari Eko Setyawan Endah Ayu Fitriana Eva Amalia Alvionita Eva Amalia Alvionita Fadlurrohman Fadlurrohman Fahreza Pracenda Felicitia Fitri Nur Kayati Fitriana, Endah Ayu Fitriyani, Winda Risma Fortuna, Dwi Hanif Ardhiansyah Hanif Ardhiansyah Haniif Prasetiawan Harianingsih, Harianingsih Harsya Grezdipa Pratama Hernadin, Ivan Aldino Hutomo , Gayuh Aditya Hutomo, Gayuh Aditya Ima Winaningsih Isaroyati, Luluk Kakalia Putri Auralita Karenina Hakim Kevin Thomas Khoridatus Sulwa Krisdayanti , Shendy kurniawan, Adhetya Larasati, Amalia Layliyah, Marifatul Luluk Arvi Cahyaning Suwandi Luqman Buchori M. Burhan Rubai Wijaya Maftuchan, Maftuchan Magfiroh, Meilina Maharani, Anggun Maulida Zakia Megawati Megawati - Megawati Megawati Megawati Megawati Megawati Megawati Megawati Megawati Melanie Hartalia Putrie Miftahuddin Azhari Moh. Rizal Ar Rasyid Muhammad Fadhlan Dzikri Noor Ubay, Isnina Nur Kholifah Chandra Mulyani Nur Kholifah Chandra Mulyani Nurkhasanah, Eva Nurul Huda Nurul Khusna Nuryoto Nuryoto Nuryoto Oktaviana, Vira Permanadewi, Indrasukma Pradnya, Irene Nindita Prasetyo, Ridwan Anung Prayogo, Robby Danang Qurnaini, Rika Alda 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 Rizki, Muhammad Prabu Salma Alfahra Choirunisa Salwa, Dian Fatimatus Sandra Anggita Fadriana Sarto Sarto - Sarto Serlia Fitri Sadan Siti Bariroh Sri Agustina, Sri Sulardjaka, S Syafitri, Laila Taufan Satya Wiguna Triani, Fita Tsani Muftidar Wahyudi Budi Sediawan Wahyudi Budi Sediawan Waryanto, Arif Wibowo, Muhammad Yusuf Widaya, Adi Risma Widi Astuti Widi Astuti Widi Widayat Wijaya, Muhammad Burhan Rubai Winaningsih, Ima Yessy Anna Pratiwi Yusuf Rumbino Zulfi Fitriani