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Fitriana Dina Rizkina
Universitas Muhammadiyah Jember
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Studi Eksperimental Hydrothermal Carbonization (HTC) Batang Tembakau untuk Optimasi Nilai Kalor: Pengaruh Temperatur dan Residence Time Abidin, Asroful; Nurhalim, Nurhalim; Ridlo, Muhammad Zainur; Rizkina, Fitriana Dina; Al-Rosyid, Latifa Mirzatika; Iswanto, Firnanda Faiq
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4131

Abstract

Kebutuhan akan sumber energi terbarukan mendorong pengembangan teknologi konversi biomassa, salah satunya melalui Hydrothermal Carbonization (HTC). Penelitian ini bertujuan untuk mengkaji pengaruh variasi temperatur dan residence time terhadap nilai kalor hydrochar dari limbah batang tembakau. Penelitian menggunakan pendekatan eksperimental kuantitatif dengan bahan baku batang tembakau jenis na-oogst dari Jember, Jawa Timur, Indonesia. Proses HTC dilakukan pada temperatur 120, 150, dan 180°C dengan residence time 3 jam dan 5 jam, serta analisis nilai kalor dilakukan berdasarkan metode ASTM D5865. Hasil penelitian menunjukkan bahwa proses HTC meningkatkan nilai kalor dari 3149,087 kal/g (bahan mentah) menjadi 3915,888 kal/g pada kondisi optimal 180°C selama 5 jam, dengan peningkatan sebesar 24,3%. Penelitian ini menegaskan bahwa batang tembakau dapat dimanfaatkan sebagai biomassa alternatif berpotensi tinggi untuk energi terbarukan, sekaligus mendukung upaya pengelolaan limbah pertanian yang berkelanjutan.
Pemanfaatan Fly Ash di Indonesia untuk Peningkatan Keberlanjutan di Sektor Energi, Lingkungan, dan Material Konstruksi: Systematic Literature Review Yanuar, Setiyo Ferdi; Ahmad, Hilfi Harisan; Abidin, Asroful; Rizkina, Fitriana Dina
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 1 (2025): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i1.4050

Abstract

Pemanfaatan fly ash, limbah pembakaran batu bara, berpotensi meningkatkan keberlanjutan sektor energi, lingkungan, dan konstruksi di Indonesia. Sebagai pengganti semen dalam beton geopolimer, fly ash dapat mengurangi emisi karbon, meningkatkan ketahanan material, serta mendukung efisiensi energi. Selain itu, penggunaannya membantu mengurangi dampak limbah batu bara yang tidak terkelola. Namun, tantangan utama meliputi kandungan logam berat, keterbatasan teknologi pengolahan, dan kurangnya regulasi. Dari sisi energi, fly ash mendukung transisi menuju industri hemat energi, sementara dari aspek lingkungan, diperlukan strategi mitigasi untuk mengurangi risiko pencemaran. Penelitian ini menggunakan Systematic Literature Review (SLR) berbasis PRISMA dengan data dari Scopus untuk mengidentifikasi potensi dan tantangan fly ash. Hasil analisis menunjukkan pergeseran fokus penelitian dari karakterisasi fisik ke aplikasinya dalam konstruksi berkelanjutan. Kesimpulan menekankan pentingnya regulasi yang lebih kuat, inovasi teknologi, serta kolaborasi antara akademisi, industri, dan pemerintah. Rekomendasi mencakup kebijakan berbasis bukti, penelitian pengolahan fly ash, serta Life Cycle Assessment (LCA) untuk menilai dampak lingkungan dan efisiensi energi.
Empowering Older Adults in Digital Security: A Community-Based Analysis of the Tular Nalar Program in Aceh, Indonesia Nisak, Cut Lusi Chairun; Nisa, Uswatun; Fatia, Dara; Rizkina, Fitriana Dina
Jurnal Sosiologi Agama Indonesia (JSAI) Vol. 6 No. 2 (2025)
Publisher : Program Studi Sosiologi Agama Fakultas Ushuluddin dan Filsafat, Universitas Islam Negeri Ar-Raniry, Banda Aceh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/jsai.v6i2.8210

Abstract

The escalating incidence of cybercrime in Indonesia has rendered older adults (lansia) one of the most vulnerable populations, primarily due to limited digital literacy and a lack of awareness regarding threats such as hoaks, identity theft, and online fraud. This study analyzes strategies for empowering older adults in digital security, focusing on the implementation of the Tular Nalar program by Mafindo in Aceh Besar District. Employing a qualitative descriptive approach, data were collected through in-depth interviews, participant observation, and documentation, and analyzed using Laverack’s community empowerment framework. The findings indicate that the program fostered active participation, expanded access to information, and strengthened social ties among participants. Facilitators played a crucial role in contextualizing digital security risks based on the lived experiences and local values of the lansia. However, the empowerment process has not yet resulted in collective autonomy, as participants remain reliant on facilitators and have not formed self-sustaining community structures. Disparities in digital literacy, expectations of incentives, and structural barriers further constrain the realization of community-driven empowerment. These results highlight that digital empowerment for older adults is not merely about increasing literacy, but is a complex social process rooted in local structures, cultural values, and community power dynamics. The application of Laverack’s model in this context underscores the need to integrate cultural values and locally grounded approaches into the design of sustainable empowerment strategies for older adults, while also addressing the persistent challenge of achieving community autonomy.
Rancang Bangun Smart Eco Roasting Machine Kapasitas Maksimum 750 Gram dengan Sistem Perekaman Data Logger untuk Kontrol Kualitas Kopi Dina Rizkina, Fitriana; Abidin, Asroful; Martha Muliasari, Risa; Zainur Ridlo, Muhammad
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 9 No. 1 (2024): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v9i1.1040

Abstract

Penelitian ini mengenalkan Smart Eco Roasting Machine dengan spesifikasi ukuran 115x95x65 cm, kapasitas drum 500 gram (maksimum 750 gram per batch), dan konsumsi daya listrik sebesar 210 W. Mesin ini dirancang untuk mengoptimalkan proses roasting kopi dengan tingkat akurasi yang tinggi. Selain itu, penelitian ini menggunakan sistem data logger berbasis arduino yang dapat terhubung dengan komputer, memungkinkan pemantauan real-time dan pengendalian proses roasting. Data hasil roasting dapat ditampilkan dalam bentuk grafik, memungkinkan para roaster untuk menganalisis dan mengoptimalkan profil roasting secara lebih efisien. Hasil penelitian menunjukkan bahwa Smart Eco Roasting Machine dengan spesifikasi ini berhasil meningkatkan konsistensi dalam profil roasting, yang merupakan faktor kunci dalam menghasilkan kopi berkualitas tinggi. Mesin ini juga efisien dalam penggunaan energi, mendukung praktik roasting yang ramah lingkungan, dan berpotensi meningkatkan daya saing produk kopi di pasar global. Hasilnya menunjukkan bahwa waktu pemanasan sekitar 13 menit, waktu roasting berkisar antara 3,5 hingga 13 menit, dan waktu pendinginan sekitar 3-5 menit. Penelitian ini memiliki implikasi penting dalam industri kopi, karena tidak hanya meningkatkan kualitas kopi, tetapi juga membantu mengurangi biaya produksi. Mesin ini merupakan solusi inovatif untuk para roaster yang mencari cara yang lebih efisien dan akurat dalam merampingkan proses roasting.
FAKTOR-FAKTOR YANG MEMENGARUHI KEPUASAN DAN LOYALITAS KONSUMEN E-COMMERCE UNTUK PRODUK MAKANAN DAN MINUMAN Muliasari, Risa Martha; Aulia, Anisa Nurina; Rizkina, Fitriana Dina; Nadiroh, Siti
Kajian Bisnis Sekolah Tinggi Ilmu Ekonomi Widya Wiwaha Vol 32 No 1 (2024): JURNAL KAJIAN BISNIS
Publisher : Sekolah Tinggi Ilmu Ekonomi Widya Wiwaha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32477/jkb.v32i1.768

Abstract

Indonesia has the potential for a strong national economic base because the number of MSMEs, especially micro businesses, is very large and the labor absorption capacity is very large. One way to increase the capacity of micro and small businesses so they can upgrade to medium-sized businesses is to support and assist with online sales. This research aims to determine the factors that influence e-commerce consumer satisfaction and loyalty to food and beverage products. The research location is in Jember with the consideration that the district government program is in line with this research, namely strengthening the economy. Sampling technique with purposive sampling method. Respondent criteria are e-commerce users who have purchased food and beverage products in e-commerce. Data analysis used Spearman Rank Correlation. The research results show that the factors of intention to use, price, packaging safety, promotion and actual use are positively and significantly related to consumer satisfaction and loyalty to food and beverage products in e-commerce. The factor with the strongest relationship is actual use. The actual usage factor is reflected by the intensity with which consumers browse food and beverage products available on e-commerce applications very often. The suggestion from the results of this research is that marketing food and beverage products through e-commerce applications needs to display attractive visual or audio-visual content designs.
BUILD SMART VILLAGE THROUGH FARMERS' ASSISTANCE IN TUNGGUL FARMERS GROUP TO INCREASE FARMERS' WELFARE Muliasari, Risa Martha; Fauzi, Nurul Fathiyah; Anggriawan, Rendy; Rizkina, Fitriana Dina; Arissandi, Muhammad Fitrianto
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 6 No. 4 (2022): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v6i4.1257

Abstract

Rice is one food crop that has a role in increasing food security. The advantages of rice farming can be obtained by implementing proper management and efficient use of production factors. Gebang is one of the villages in Patrang District, Jember Regency, which has an active and sustainable farmer group for rice farming accompanied by Field Agricultural Extension Officers (PPL). However, during the assistance, the farmer group has never been directed to calculate profits systematically, so it is unknown whether the rice farming carried out is profitable. The farmer group in discussion is the Tunggul Farmer Group member of the Sahabat Farmers Group Association (Gapoktan). The model of this service activity is counseling and assistance in farming bookkeeping. They carried out the service activity in one of the houses of members of the farmer group, namely Mr. Hanan on Teratai Street, Gebang Village, Patrang District, Jember Regency. The participants who attended were 21 people and enthusiastically participated in the counseling. The outreach activities ran smoothly throughout the event. Farmer group members are encouraged to keep books related to their farm income and expenses. This habit is expected during mentoring. The extension material delivered includes the purpose of bookkeeping or recording farming and how to calculate revenue, costs, and profits.
INCREASING KNOWLEDGE OF COFFEE FARMERS IN THE COOPERATIVE “KETAKASI” ABOUT USE SMART ECO ROASTING MACHINE THROUGH TRAINING Dina Rizkina, Fitriana; Abidin, Asroful; Martha Muliasari, Risa; Zainur Ridlo, Muhammad
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 7 No. 4 (2023): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v7i4.2148

Abstract

Roasted coffee is an Indonesian export product and the Ketakasi Cooperative is one of the coffee exporters and a tourist destination. In its development, the Ketakasi Cooperative needs a machine that can facilitate the roasting process and has a small capacity for profiling and educational tourism. The solution offered is the use of a Smart Eco Roasting Machine. The method for implementing this service is competency development in the form of training and mentoring at the Ketakasi Cooperative which includes three stages of activities, namely the preparation stage, implementation stage, and evaluation stage. Based on the overall evaluation results, there was an increase in the understanding of coffee farmers and cooperative administrators about the roasting process. Training participants are interested in using the Smart Eco Roasting Machine.
Analysis of consumer behavior factors on willingness to buy chicken meat with halal labels at traditional markets in Jember area Rizkina, Fitriana Dina; Aulia, Anisa Nurina; Muliasari, Risa Martha; Takenouchi, Naruhito
Jurnal Agrotek Ummat Vol 9, No 3 (2022): July
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jau.v9i3.8774

Abstract

Chicken meat is one of the most popular staple foods, but the halal aspect is the main requirement. In traditional markets, chicken is sold without a halal label. This research aimed to analyze the consumer behavior factors on willingness to buy halal chicken meat at traditional markets in Jember Region. This study hypothesizes that consumer behavior factors affect the behavior of willingness to buy chicken meat with a halal label in traditional markets. This study uses survey data from distributing questionnaires to 110 respondents. Multivariate statistical methods do the hypothesis testing technique with SEM Model. The data processing results show that behavioral control and religious commitment variables significantly influence behavior toward buying chicken meat with the halal label. Suggestions based on research results: first, raising awareness about consuming halal-labeled chicken meat is necessary to increase a person's knowledge. Second, it is required to increase the role of the community and the government, both internally and externally, in educating a person's behavior toward consuming chicken meat labeled halal.
Community-Based Management on Isolated Islands for Socio-economic Development — A systematic review Rizkina, Fitriana Dina; Takenouchi, Naruhito; Kasamatsu, Hiroki
Agroindustrial Journal Vol 12, No 2 (2025)
Publisher : Department of Agroindustrial Technology, Faculty of Agricultural Technology UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/aij.v12i2.108557

Abstract

This review paper offers a thorough understanding of the literature on research in isolated island communities from the past 10 years. It uses the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) method. First, the study identified 190 research papers from reputable international publishers, then selected 23 for the final stage. The review highlights the policy implications of CBM in agriculture (forestry), agroindustry, fisheries, and social science. The review reveals popular research topics discussed in recent studies and provides insight into the methods or approaches used. Our review's results show that specific methods are relevant and are still widely used by 39% of studies. Additionally, future research is expected to explore topics that have not been widely studied, particularly agroindustry. The percentage of agroindustry studies in the CBM review results on isolated islands reflects this situation, representing only 9% of the total, while fisheries represent 52%, social science 22%, and agriculture 17%.
Effect of Pyrolysis Temperature Variation on Optimization of Tobacco Stalk Biochar Characteristics Kosjoko, Kosjoko; Abidin, Asroful; Hadi, Danang Kumara; Rizkina, Fitriana Dina
Jurnal Rekayasa Mesin Vol. 17 No. 1 (2026)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v17i1.2193

Abstract

Tobacco stalk waste is an agricultural residue with high potential for development as a renewable energy source through a thermochemical conversion process. This study aims to evaluate the effect of varying pyrolysis temperature on the physical and chemical characteristics of biochar produced from tobacco stalk, in order to determine the optimum temperature for producing the best quality product. The method used was a closed pyrolysis process in a stainless-steel reactor at three temperature variations: 290, 390, and 490°C for 60 minutes. The pyrolyzed biochar was analyzed using proximate analysis, calorific value testing, and chemical functional group characterization using Fourier transform infrared spectroscopy. The results showed that higher pyrolysis temperatures consistently decreased moisture and volatile matter content, while increasing the bound carbon content and calorific value of the biochar. At 490°C, the best biochar characteristics were obtained with a bound carbon content of 56.25%, a moisture content of 4.5%, volatile matter of 24.3%, and the highest calorific value reaching 5521.90 cal/g. Chemical structure analysis also indicated the formation of more stable functional groups at higher temperatures, indicating a more advanced level of carbonization. These findings indicate that within the investigated temperature range (290–490°C), 490°C yielded the biochar with the most favorable characteristics for solid fuel applications, specifically regarding fixed carbon content and calorific value. While 490°C represents the peak performance in this study, it serves as a critical operational point for achieving advanced carbonization in tobacco stalk waste. This research provides an important contribution to the development of efficient tropical biomass processing technologies. It expands the database of thermal and chemical characteristics of agricultural waste-based biochar, which has been understudied to date.
Co-Authors Ahib Assadam Ahmad Rihnu Erzal Wahyudi Ahmad, Hilfi Harisan Anggriawan, Rendy Anisa Nurina Aulia Aprilian Firmansyah Ara Nugraha Nalawati Ara Nugrahayu Nalawati Arissandi, Muhammad Fitrianto Asroful Abidin Astri Widyaruli Anggraeni Daniel Happy Putra Fatia, Dara Fauzi, Nurul Fathiyah Fauziyah Fauziyah Hapsari P. P., Tiara Aprilia Hudaini Hasbi Istiqomah, Titis Iswanto, Firnanda Faiq Isya Lestari Triyudhani Kasamatsu, Hiroki Kosjoko Kosjoko Kumara Hadi, Danang Latifa Mirzatika Al-Rosyid Martha Muliasari, Risa Muhammad Zainur Ridlo Muliasari , Risa Martha Muliasari, Risa Martha Nadiroh, Siti Nisak, Cut Lusi Chairun Nurhalim Nurhalim, Nurhalim Ramad, Shinta Artamevia Setiawan, Andika Putra Shinta Artamevia Ramad Soedrijanto, Angky Takenouchi, Naruhito Tiara Aprilia Hapsari P.P. Yanuar, Setiyo Ferdi