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All Journal Rotasi Eksergi: Chemical Engineering Journal Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat REACTOR : Journal of Research On Chemistry And Engineering Hexatech: Jurnal Ilmiah Teknik Journal of Industrial Community Empowerment Jurnal Teknik Kimia dan Lingkungan Jurnal Pengabdian Masyarakat Bangsa Jurnal Teknologi Lingkungan Communication in Food Science and Technology TeknoKreatif: Jurnal Pengabdian kepada Masyarakat

Auriyani, Wika Atro

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Author-ID : 1967069

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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Pelatihan Inovasi Kain Tapis Krui di Pekon Way Sindi Kabupaten Pesisir Barat Achmad, Feerzet; Satria, Arysca Wisnu; Saputri, Desi Riana; Auriyani, Wika Atro; Supriyadi, Didik
TeknoKreatif: Jurnal Pengabdian kepada Masyarakat Vol 1 No 1 (2021): TeknoKreatif: Jurnal Pengabdian kepada Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LP2M), Institut Teknologi Sumatera, Lampung, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/teknokreatif.v1i1.508

Tapis is a traditional Indonesian woven which is produced by using a non-machine weaving loom. Tapis is an ornamental motif-based manifestation, especially for the people of Pesisir Barat's local history and beliefs. The issues that occur with Tapis weaving craftsmen are production infrastructure, minimal market availability, a lack of knowledge, and their skills for product innovation. The people of Pesisir Barat require empowerment and support to develop the knowledge and abilities of Tapis weaving craftsmen in the production of tapis derivative products. These items will support the Pesisir Barat's tourism industry succeed. This community service activity was carried out by holding coaching for the Kerudung Sakti and Kiluk Andan Tapis Crafts Group in Way Sindi Village, Karya Penggawa, Pesisir Barat district. This training is expected to improve the community's knowledge and skills in developing various souvenir products and craft accessories made from Tapis derivative products.

Investigating the Tribological Performance of Natural Rubber Additives in Palm Oil-Based Lubricants Aji, Ahmad Frantoni; Alfian, Devia Gahana Cindi; Prasetyo, Tri Wahyu; Firjatullah, Ahmad Labib; Sufra, Rifqi; Pujiyulianto, Eko; Silitonga, Dicky Januarizky; Auriyani, Wika Atro; Yusupandi, Fauzi
ROTASI Vol 26, No 3 (2024): VOLUME 26, NOMOR 3, JULI 2024
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.26.3.57-64

Human dependence on mineral-based energy sources poses challenges related to toxicity, depletion, degradation, and environmental hazards. An appropriate replacement for mineral-based lubricants has yet to be realized; one available option for humans is alternative, renewable, environmentally friendly, and biodegradable energy sources. Lubricants play an important role in product processing, transportation, agriculture, and other key sectors in industrial development. This study was conducted to explore the potential use of palm oil as the main ingredient with the addition of rubber as an additive. The method of making the lubricant involved mixing 3%, 5%, and 7% rubber latex with sonicated palm oil using UAE. Next, wear testing was performed using a tribometer based on the ball-on-disc principle, utilizing a modified bench-top drill machine. The testing was carried out at room temperature, maintaining a constant load of 8.83 N and a rotational speed of 180 rpm for 5 minutes per sample. Microscopic analysis of the wear scars on the plate samples showed different wear patterns and characteristics for each lubricant, with measurements taken at various positions for accuracy. The results indicated that the lubricant with a 5% rubber mixture was the best, with a wear width of 535.9126 µm, compared to the commercial lubricant (SAE 15W 40) which had a wear width of 539.906 µm. This research demonstrates the potential use of a palm oil and rubber mixture as a more environmentally friendly lubricant alternative.

Penyuluhan dan Pembuatan Sabun Cair Berbasis Minyak Goreng Bekas di Desa Trisnomaju, Kabupaten Pesawaran, Lampung Selatan Nury, Dennis Farina; Auriyani, Wika Atro; Achmad, Feerzet; Luthfi, Muhammad Zulfikar
Journal of Industrial Community Empowerment Vol 1, No 1 (2022): Published in April 2022
Publisher : Politeknik ATI Padang

Due to the many uses of cooking oil for household needs, it generates a huge residue called waste cooking oil or jelantah. Waste cooking oil can cause health and environmental problems. The conversion of waste cooking oil will help to reduce environmental damage. One of the conversion is making the waste cooking oil into valuable product as liquid soap. Liquid soap is made from Potassium hydroxide (KOH) reaction that produces salt (soap), water and glycerin. The saponification process was produced liquid soap using hydrolysis of waste cooking oil into fatty acids and glycerol in the KOH to hydrolyze. The waste cooking oil (jelantah) can ben converted into liquid soap by using the mixture of waste cooking oil, KOH solution, water and scent oil. This study aimed to educate the housewives about the problems of using waste cooking oil repeatly and to make liquid soap with a short training in Desa Trisnomaju, Kabupaten Pesawaran, Lampung Selatan. This activity consists of discussions, demonstrations and hands-on practice liquid soap. The results showed the the housewives were verry happy and enthusiastic during training. It can be concluded that the housewives are good and focus in making liquid soap, were increased in survey score from pretest to post test, 59,72% to 81,67%, respectively.

Sosialisasi Optimasi Nilai Kalor Biopelet Kayu Karet Melalui Proses Hidrotermal di Desa Tarahan, Kabupaten Lampung Selatan Yanti, Demi Dama; A’yuni , Dewi Qurrota; Satria , Arysca Wisnu; Auriyani, Wika Atro; Sanjaya, Andri; Deviany, Deviany; Mediana, Annisa; Putri, Amelia Syifa Divana; Ramadhan, Zulfikar; Nurafinda, Meylani Dwi; Alhuda, Alhuda
Jurnal Pengabdian Masyarakat Bangsa Vol. 3 No. 2 (2025): April
Publisher : Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/jpmba.v3i2.2223

Biomassa merupakan salah satu sumber energi alternatif yang dapat dijadikan biopelet. Biopelet merupakan adalah jenis bahan bakar padat berbentuk pelet yang memiliki keseragaman ukuran, bentuk, kelembaban, densitas dan kandungan energi. Biopelet ini dapat dibuat dari berbagai biomassa, salah satunya yaitu kayu karet. Karet merupakan salah satu sumber daya alam yang terdapat di Provinsi Lampung, berdasarkan data direktorat jenderal Perkebunan tahun 2023, Provinsi Lampung memiliki luas areal 4,57% dari seluruh luas areal Perkebunan karet di Indonesia. Desa Tarahan yang berada di Kabupaten Lampung Selatan, merupakan salah satu daerah yang memiliki lahan karet di dalamnya, sehingga perlu diberikan sosialisasi pemanfaatan limbah biomassa kayu karet untuk pembuatan biopelet. Kegiatan sosialisasi dilakukan di Balai Desa, Desa Tarahan yang diikuti sebanyak 25 peserta. Sebelum pelaksanaan sosialisasi peserta diberikan soal pretest, dan setelah kegiatan sosialisasi diberikan soal postest. Berdasarkan hasil pretest dan postest, terjadi peningkatan pengetahuan peserta tentang pemanfaatan kayu karet sebagai biopelet

Composting of Dry Leaves and Household Kitchen Wastes Using Rotary Drum Biocomposter Auriyani, Wika Atro; Fahni, Yunita; Saputri, Desi Riana; Mawaddah, Nurul; Fajar, Mutiara; Novita, Ella; Asmarani, Wulan; Asfari Ahmad, Raden Fattah
ABDIMAS: Jurnal Pengabdian Masyarakat Vol. 6 No. 2 (2023): ABDIMAS UMTAS: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/abdimas.v6i2.3347

According to data from the National Waste Management Information System (SIPSN) for 2020, the largest pile of waste according to waste sources in Lampung Province comes from household waste, namely 42%. Along the Dusun II road in Way Hui Village, almost every day the community burns leaf litter in their yards, which causes pollution. In addition, according to data from the Central Statistics Agency (BPS) for 2020, agriculture in Lampung is the 15th highest, namely 90.48%. However, in its management, the majority of agriculture and plantations in Lampung use inorganic fertilizers to increase the quality and quantity of crops. This problem can be overcome by using organic waste as compost to gradually improve soil quality and reduce the volume of household kitchen waste. The Rotary Drum Biocomposter is a simple and inexpensive composter for processing kitchen and household organic waste in a sustainable manner. To speed up the composting process, a bioactivator is added as a decomposer. Bioactivators can be made by utilizing rice washing water waste and papaya fruit waste, which are rich in nutrients and can increase the macronutrients of the compost. The composting method used in this research is aerobic composting. This tool aims to educate the surrounding community that waste can be turned into valuable goods with good management, thereby creating a healthy environment and profitable business opportunities.

Analysis of Vitamin A Content and Antioxidant Test in Super and Bulk Olein Saputri, Desi Riana; Listyadevi, Yuniar Luthfia; Putra, Muhammad Alparidi Pamungkas; Adiwibowo, Muhammad Triyogo; Sanjaya, Andri; Damayanti, Damayanti; Auriyani, Wika Atro; Fahni, Yunita; Yusupandi, Fauzi; Yuniarti, Reni; Safitra, Edwin Rizki
Communication in Food Science and Technology Vol. 3 No. 2 (2024): Communication in Food Science and Technology, November Chapter
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Sumatera

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35472/cfst.v3i2.1980

Cooking oil is the essential food for bodies. Cooking oil should be enriched with vitamin A because this substance plays a critical role in maintaining health. Cooking oil contains antioxidant compounds, which inhibit or slow down oxidation reactions. This study aimed to determine the amount of vitamin A in super olein and bulk olein before fortification and the amount of antioxidant content in super olein and bulk olein before fortification. The amount of vitamin A content was obtained using the High-Performance Liquid Chromatography (HPLC) method of <0.005 IU/gram, while the antioxidant test results were carried out by the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) method using UltraViolet-Visible Spectrophotometry (UV-Vis). The resulting antioxidant activity has an inhibition value of 23% and 10% in bulk and super olein, respectively. Cooking oil is the essential food for bodies. Cooking oil should be enriched with vitamin A because this substance plays a critical role in maintaining health. Cooking oil contains antioxidant compounds, which inhibit or slow down oxidation reactions. This study aimed to determine the amount of vitamin A in super olein and bulk olein before fortification and the amount of antioxidant content in super olein and bulk olein before fortification. The amount of vitamin A content was obtained using the High-Performance Liquid Chromatography (HPLC) method of <0.005 IU/gram, while the antioxidant test results were carried out by the 2,2-Diphenyl-1-picrylhydrazyl (DPPH) method using UltraViolet-Visible Spectrophotometry (UV-Vis). The resulting antioxidant activity has an inhibition value of 23% and 10% in bulk and super olein, respectively.

Alkaline Activated Natural Zeolite as a Microbial Immobilization Media in Anaerobic Digestion for Tapioca Wastewater Treatment: Zeolit Alam Teraktivasi Basa sebagai Media Imobilisasi Mikrobial di Peruraian Anaerobik untuk Pengolahan Limbah Cair Tapioka Sanjaya, Andri; Agustina, Berliana Putri; Prayoga, Ageng Kaka; Salsabila, Dwinda; Arhab, Jabir Shoji; Damayanti, Damayanti; Auriyani, Wika Atro; Fahni, Yunita; Saputri, Desi Riana
Jurnal Teknologi Lingkungan Vol. 26 No. 2 (2025)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jtl.2025.7432

Abstrak Produksi biogas dari limbah cair singkong menawarkan sumber energi yang berkelanjutan, meskipun efisiensinya masih menjadi tantangan. Penggunaan zeolit alami sebagai media untuk mengimobilisasi bakteri anaerob menunjukkan potensi, namun efisiensi proses ini dapat lebih ditingkatkan dengan aktivasi zeolit. Namun, pengetahuan tentang bagaimana zeolit yang diaktifkan secara basa (NaOH) mempengaruhi aktivitas mikroba dan hasil biogas masih terbatas. Dalam penelitian ini, kami menunjukkan bahwa zeolit alam Lampung yang diaktifkan secara basa signifikan meningkatkan produksi biogas dengan menyediakan media imobilisasi yang lebih efektif bagi bakteri anaerob. Analisis Fourier transform infrared spectroscopy (FTIR) mengungkapkan perubahan struktural, dengan pergeseran gelombang Si-O dan Al-O, yang menunjukkan interaksi kimia yang lebih baik setelah aktivasi. Scanning electron microscope-energy dispersive x-ray spectroscopy (SEM-EDX) mengonfirmasi peningkatan kandungan Al dan Na; Al meningkat secara signifikan dari 5,62% menjadi 7,48%, yang menunjukkan peningkatan kandungan Al dalam struktur zeolit setelah aktivasi. Sementara itu, analisis xray diffraction (XRD) mengungkapkan kristalinitas 21% pada zeolit yang diaktifasi, yang menunjukkanpermukaan mendukung untuk perlekatan mikroba. Analisis Brunauer-Emmett-Teller (BET) menunjukkan struktur mesopori (34,335 Å) yang meningkatkan kontak bakteri dengan substrat. Reaktor dengan zeolit yang diaktifkan mencapai puncak produksi biogas sebesar 620 mL, melebihi kontrol karena peningkatan stabilitas mikroba dan pengurangan akumulasi asam lemak volatil (VFA). Hasil ini menunjukkan bahwa zeolit yang diaktivasi secara basa dapat secara signifikan meningkatkan efisiensi sistem produksi biogas dengan meningkatkan imobilisasi mikroba dan stabilitas proses Abstract Biogas production from cassava wastewater offers a sustainable energy source, though efficiency remains challenging. Natural zeolite is a promising material for anaerobic bacteria immobilization media. However, there is limited knowledge of how alkaline-activated (NaOH) zeolite affects microbial activity and biogas yield. Here, we show that alkaline-activated Lampung natural zeolite significantly enhances biogas production by providing a more effective immobilization medium for anaerobic bacteria. Fourier transform infrared spectroscopy (FTIR) analysis reveals structural changes, with a shift in Si-O and Al-O vibrations, indicating improved chemical interaction post-activation. Scanning electron microscope-energy dispersive x-ray spectroscopy (SEM-EDX) confirms increased Aland Na content; the Al increased significantly from 5.62% to 7.48%, which may indicate an increase in Al content within the zeolite structure after activation. Meanwhile, the x-ray diffraction (XRD) analysis revealed a 21% crystallinity in the activated zeolite, suggesting a favorable surface for microbial attachment. Brunauer-Emmett-Teller (BET) analysis shows a mesoporous structure (34.335 Å) that improves bacterial contact with the substrate. The reactor with activated zeolite achieved peak biogas production of 620 mL, outperforming the control due to enhanced microbial stability and reduced volatile fatty acid (VFA) accumulation. These results sugest that alkaline-activated zeolite can significantly boost the efficiency of biogas production systems by improving microbial immobilization and process stability

Limbah jerami padi sebagai sumber N, P, dan K organik dalam pembuatan pupuk untuk produksi tanaman bayam (Amaranthus Sp.) Alhanif, Misbahudin; Astuti, Woro; Wardani, Permadi; Sufra, Rifqi; Auriyani, Wika Atro
Hexatech: Jurnal Ilmiah Teknik Vol. 2 No. 1 (2023): Hexatech: Jurnal Ilmiah Teknik
Publisher : ARKA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55904/hexatech.v2i1.709

Indonesia adalah negara agraris yang memiliki hasil pertanian melimpah, salah satunya bayam. Akan tetapi, petani bayam masih diikuti oleh banyak kendala seperti teknis budidaya, hama dan penyakit, pupuk hingga pemasaran hasil panen yang masih tradisional. Disisi lain, potensi limbah jerami padi yang melimpah memiliki unsur hara penting yang dibutuhkan oleh tanaman, seperti Si (Silika), K2O (Kalium Oksida), P2O5 (Potassium Pentaoksida dan N (Nitrogen). Unsur-unsur tersebut akan hilang apabila dilakukan pembakaran. Oleh karena itu, penelitian ini ditujukan untuk ekstraksi unsur hara limbah jerami padi dan memanfaatkannya sebagai sumber N, P, dan K organik dalam pembuatan pupuk cair. Penelitian ini memberikan hasil bahwa semakin lama waktu ekstraksi, dapat menghasilkan unsur hara yang lebih tinggi sehingga berpengaruh positif terhadap pertumbuhan tanaman bayam. Selain itu, pupuk organik cair komersial secara kimia memiliki kandungan nitrogen tinggi. Namun, pupuk cair dari limbah jerami juga memiliki potensi yang besar sebagai pupuk organik karena memiliki kandungan fosfor dan kalsium yang tinggi.

Pengaruh Penambahan Ekstrak Jeruk Purut (Cytrus hitrix D.C) Sebagai Koagulan Alami Terhadap Karakteristik Karet Auriyani, Wika Atro; Achmad, Feerzet; Deviany, Deviany; Ardian, Muhammad Ikhwan; Prasetyo, Rizky Dimas; Herlambang, Aldillah; Musa, Musa
REACTOR: Journal of Research on Chemistry and Engineering Vol. 4 No. 1 (2023)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/reactor.v4i1.85

Natural rubber is a plantation commodity that has a significant role in the country's economy. This study aims to determine the effect of the natural coagulant extract of kaffir lime with centrifugation and non-centrifugation treatment on the coagulation process, pH and coagulation time, characteristics of rubber clone IRR 118 and comparison of the quality of rubber with 2% formic acid chemical coagulant. The volume of coagulant used was 75 mL mixed with 150 mL of latex, so that coagulation occurred and produced coagulum. Then the resulting coagulum is analyzed for the characteristics of the rubber to determine the quality of the rubber. Characteristic analysis carried out was Dry Rubber Content (DRC), Initial Plasticity (Po), Plasticity Retention Index (PRI), Mooney Viscosity, ash content, impurities content, volatile matter content, and nitrogen content. The results showed that the natural coagulant extract of kaffir lime could coagulate latex, lowering the pH of latex thereby speeding up coagulation time. From the rubber characteristic test using kaffir lime natural coagulant it complies with SNI 06-1903-2017 SIR 20. The quality of rubber produced from using kaffir lime natural coagulant extract as a coagulant can equate the quality of rubber produced by using 2% formic acid chemical coagulant, but coagulant The natural ingredients used have drawbacks, namely the availability of seasonal fruit, and the need for treatment before being used as a coagulant.

Penyuluhan dan Pembuatan Sabun Cair Berbasis Minyak Goreng Bekas di Desa Trisnomaju, Kabupaten Pesawaran, Lampung Selatan Nury, Dennis Farina; Auriyani, Wika Atro; Achmad, Feerzet; Luthfi, Muhammad Zulfikar
Journal of Industrial Community Empowerment Vol. 1 No. 1 (2022)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v1i1.93

Due to the many uses of cooking oil for household needs, it generates a huge residue called waste cooking oil or jelantah. Waste cooking oil can cause health and environmental problems. The conversion of waste cooking oil will help to reduce environmental damage. One of the conversion is making the waste cooking oil into valuable product as liquid soap. Liquid soap is made from Potassium hydroxide (KOH) reaction that produces salt (soap), water and glycerin. The saponification process was produced liquid soap using hydrolysis of waste cooking oil into fatty acids and glycerol in the KOH to hydrolyze. The waste cooking oil (jelantah) can ben converted into liquid soap by using the mixture of waste cooking oil, KOH solution, water and scent oil. This study aimed to educate the housewives about the problems of using waste cooking oil repeatly and to make liquid soap with a short training in Desa Trisnomaju, Kabupaten Pesawaran, Lampung Selatan. This activity consists of discussions, demonstrations and handson practice liquid soap. The results showed the the housewives were verry happy and enthusiastic during training. It can be concluded that the housewives are good and focus in making liquid soap, were increased in survey score from pretest to post test, 59,72% to 81,67%, respectively.

Co-Authors Agustina, Berliana Putri Aji, Ahmad Frantoni Aldillah Herlambang Alhuda, Alhuda Andiani, Balqis Putri Andri Sanjaya Ardian, Muhammad Ikhwan Arhab, Jabir Shoji Asfari Ahmad, Raden Fattah Asmarani, Wulan Astuti, Woro A’yuni , Dewi Qurrota Damayanti Damayanti Demi Dama Yanti Dennis Farina Nury Devia Gahana Cindi Alfian Deviany, Deviany Dicky J. Silitonga Didik Supriyadi, Didik Eko Pujiyulianto Fahni, Yunita Fajar, Mutiara Feerzet Achmad Firjatullah, Ahmad Labib Kusumandary, Pralestika Dwi Ladien, Ahmad Fatrijan Listyadevi, Yuniar Luthfia Mawaddah, Nurul Mediana, Annisa Michael Michael Misbahudin Alhanif Muhammad Triyogo Adiwibowo Muhammad Zulfikar Luthfi Musa Musa Mustafa Novita, Ella Nurafinda, Meylani Dwi Prasetyo, Rizky Dimas Prasetyo, Tri Wahyu Prayoga, Ageng Kaka Putra, Muhammad Alparidi Pamungkas Putri, Amelia Syifa Divana Rahma Yanda Ramadhan, Zulfikar Reni Yuniarti Rifqi Sufra Safitra, Edwin Rizki Said, Aja Avriana Salsabila, Dwinda Saputri, Desi Riana Satria , Arysca Wisnu Satria, Arysca Wisnu Wardani, Permadi Yusupandi, Fauzi

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