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All Journal Tekno - Pedagogi : Jurnal Teknologi Pendidikan Reaktor Jurnal Teknologi Pertanian agriTECH Widyariset Jurnal Pendidikan Agama Islam Edufisika: Jurnal Pendidikan Fisika Konversi Berkala Ilmiah Pendidikan Fisika IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Science and Technology Indonesia Jurnal Kajian Akuntansi Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Journal of Science and Mathematics Education Indonesian Journal of Information System Jurnal Ekonomi Integra Indonesian Food Science and TechnologyJournal Jurnal Teknologi Pertanian Linguistik Indonesia Al-Qalam Jurnal Teknologi Pertanian Andalas An Naba Jurnal Pemikiran dan Penelitian Pendidikan Islam Jurnal Ilmiah Lingkungan Kebumian Jurnal Studi Islam Lintas Negara (Journal of Cross-Border Islamic Studies) Jurnal Bio-Geo Material Dan Energi Journal of Education Research Jurnal Teknologi Pangan Jurnal Economica: Media Komunikasi ISEI Riau Makara Journal of Science Jurnal Riset Fisika Indonesia Jurnal Karya Abdi Masyarakat Jurnal Ilmiah Ilmu Terapan Universitas Jambi Physics and Science Education Journal (PSEJ) Jurnal Pengabdian Masyarakat dan Riset Pendidikan JURNAL ILMIAH PENELITIAN MAHASISWA Journal of Innovative and Creativity Bulletin of Chemical Reaction Engineering & Catalysis Digulis: Jurnal Pengabdian Pada Masyarakat Jurnal Teknologi dan Inovasi Industri Jurnal Pengabdian Masyarakat Manage
Nazarudin
Chemical Engineering Department, Faculty Of Sain And Technology, Universitas Jambi, Jambi Department Of Agriculture Product Technology, Faculty Of Agriculture, University Of Jambi Centre Of Excellent In Bio-Geo Material, University Of Jambi
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Efektivitas Project Based Learning dan Realistic Mathematics Education Berbasis Asesmen Projek terhadap Literasi Numerasi Siswa SD di Lingkungan Lahan Basah Syadzali, Ahmad; Darmiyati, Darmiyati; Sunarno, Sunarno; Mahmuddin, Mahmuddin; Dewantara, Dede; Nazarudin, Nazarudin
Journal of Education Research Vol. 5 No. 4 (2024)
Publisher : Perkumpulan Pengelola Jurnal PAUD Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37985/jer.v5i4.1637

Abstract

Matematika memiliki peran krusial dalam pendidikan dasar hingga perguruan tinggi, tidak hanya sebagai mata pelajaran tetapi juga sebagai keterampilan penting dalam kehidupan sehari-hari. Tujuan pengajaran matematika adalah untuk membekali siswa dengan kemampuan berpikir kritis dan pemecahan masalah. Namun, hasil Program for International Student Assessment (PISA) 2022 menunjukkan rendahnya skor kompetensi matematika siswa di Indonesia termasuk di Kabupaten Banjar, yang menghadapi tantangan serius dalam literasi numerasi. Penelitian ini bertujuan untuk mengkaji efektivitas kombinasi Project-Based Learning (PjBL) dan Realistic Mathematics Education (RME) berbasis asesmen proyek dalam meningkatkan literasi numerasi siswa di SDN Sungai Miai 10 Banjarmasin, melibatkan 60 siswa kelas IV. Metode yang digunakan adalah quasi-eksperimen dengan desain faktorial 2x2. Hasil penelitian menunjukkan bahwa penerapan PjBL dan RME secara bersamaan dapat secara signifikan meningkatkan keterampilan berpikir kritis matematika siswa. Penilaian berbasis proyek terbukti lebih efektif dibandingkan tes tertulis dalam mengukur pemahaman konsep matematika. Temuan ini memberikan kontribusi penting bagi pengembangan strategi pembelajaran yang lebih efektif dalam pendidikan dasar di Indonesia, terutama di daerah dengan konteks lingkungan lahan basah yang kaya akan relevansi kehidupan nyata.
Catalytic cracking of crude palm oil using Cr/palm shell charcoal impregnation catalyst Suryadri, Hadistya; Juanda, Adrisma; Nazarudin, Nazarudin
Konversi Vol 12, No 2 (2023): OKTOBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v12i2.15893

Abstract

The study of synthesizing Cr/activated palm shell charcoal catalyst by impregnation method has been done. Cr/Activated Charcoal was made using variation of chromium concentration (1%, 2% and 3%). Change in diffraction pattern in XRD analysis for charcoal before modification and after modification showed chromium has been successfully impregnated to the catalyst. The higher the chromium compound concentration used, the greater %-weight of chromium in the catalyst. It was found that the use of Cr-2%/Charcoal catalyst was able to increase the percentage of cracking liquid yield at the temperature of 550oC  as much as 62,44% compared to the percentage of liquid yield from thermal cracking was 60,1% at the same temperature. It was also observed, using the Cr/Charcoal catalyst from impregnation method is more effective than catalyst from ion exchange method. However, the density of the cracking liquid yield is not yet close to the standard density range for fuel. 
The Application of Purple Yam Flour for Stick Crackers Armando, Yunta Gombang; Ulyarti, Ulyarti; Rulaini, Melati; Mursyid, Mursyid; Tafzi, Fitry; Surhaini, Surhaini; Nazarudin, Nazarudin
Indonesian Food Science and Technology Journal Vol. 6 No. 2 (2023): Volume 6. Number 2, July 2023 |IFSTJ|
Publisher : Department of Technology of Agricultural product (THP) Jambi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/ifstj.v6i2.21133

Abstract

This study was conducted to determine the effect of substitution of wheat flour with purple yam flour on the physicochemical and organoleptic characteristics of sticks cracker and to obtain the appropriate concentration of purple yam flour for the best physicochemical and organoleptic characteristics of stick crackers. This study used a completely randomized design (CRD) with 6 levels of purple yam flour (0, 12.5%, 25%, 37.5%, 50%, and 62.5%) and 4 replications. The purple yam flour substitution gave a significant effect on physical parameters, namely hardness and color (L*, a*, b* and hue), anthocyanin content of stick crackers, and on the color and texture of sticks cracker, but gave no significant effect on its taste and aroma. The purple yam flour substitution increased the water, ash, fat, and crude fiber content, but decreased the value of carbohydrate and protein content when compared to the control. It is suggested that stick crackers be made with substitution of 50% purple yam flour. This level of substitution produced stick crackers with hardness value 1.55 gF, L* 14.58, a* 4.60, b* 0.19, 54.87% carbohydrate, 4.35% water, 28.87% fat, 9.34% protein, 2.57% ash, 0.67% crude fiber and anthocyanin 62.48 mg cyanidin3-glucoside equivalent/g.
THE PROCESSING TECHNIQUE AFFECTS THE PHYSICOCHEMICAL AND TEXTURAL CHARACTERISTICS OF PURPLE YAM BASED GLUTEN-FREE DOUGH Ulyarti; Nazarudin; Lisani; Wulandari, Nur
Jurnal Teknologi Pertanian Vol. 25 No. 2 (2024)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2024.025.02.4

Abstract

Purple yam tuber in the form of flour has been applied for functional food products. Processing purple yam tubers into flour eliminates many beneficial compounds of the tubers. Another alternative for processing purple yam tubers is to process them directly into a paste to be mixed into the dough. This study was carried out to determine the effect of the processing technique of yam tuber on the texture profile of gluten-free dough made up of yam tuber and modified cassava flour (mocaf). Four (4) types of processing techniques were applied to produce purple yam+mocaf dough. First (ST), steaming yam tuber, mashing + mocaf + water. Second (SST), steaming slice of yam tuber, mashing + mocaf + water. Third (SCT0.5), soaking slices of yam tuber in citric acid 0.5%, mashing + mocaf + yam tuber mucus. The last (SCT1) is soaking slices of yam tuber in citric acid 1%, mashing + mocaf + yam tuber mucus.  The result showed that the amount of water, the ratio between purple yam paste and mocaf, the lead time, and the processing technique play important roles in shaping the texture of the dough. The third technique (SCT0.5) produced higher hardness, adhesiveness, springiness, and cohesiveness dough than the other techniques. However, none of the texture profiles strongly correlate with the dietary fiber content. These results can be used better to understand the free gluten food application of yam tuber.
Problem Penerapan Pembelajaran Pendidikan Agama Islam dengan Pendekatan Saintifik pada Mahasiswa Magang di Madrasah Aliyah Paradigma Palembang Nazarudin, Nazarudin
Jurnal Pendidikan Agama Islam Vol. 17 No. 1 (2020): Jurnal Pendidikan Agama Islam
Publisher : Yogyakarta: Jurusan Pendidikan Agama Islam Fakultas Ilmu Tarbiyah dan Keguruan UIN Sunan Kalijaga Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jpai.2020.171-04

Abstract

This study is a case report primarily conducted to analyze the factors which brought about the unsuccessful implementation of learning with an optimal scientific approach administered by the Faculty of Tarbiyah and Teacher Training students during the Internship III at Senior Islamic School Paradigma in Palembang. The research method employed was qualitative research. Data collection was carried out by direct communication techniques through observation and interviews. Meanwhile, the tools employed for data collection were observation guides and interview guides. The final results showed that the majority of Internship III students had inferior knowledge and practice in carrying out scientific learning. Some factors that dominated the lack of optimal learning with a scientific approach were incomprehension, unpreparedness, and the students' inability to manage time effectively. Only 3 (three) out of 15 (fifteen) respondents really understood, were ready and able to carry out procedural and scientific learning at its utmost.
PENGARUH KEPUASAN KERJA, DISIPLIN KERJA DAN MOTIVASI KERJA TERHADAP LOYALITAS KARYAWAN PT. BARAKA SARANA TAMA Bilady, Royhan; Recky, Recky; Ismail, Gurawan Dayona; Nazarudin, Nazarudin
JURNAL ECONOMICA: Media Komunikasi ISEI Riau Vol. 12 No. 2 (2024)
Publisher : Ikatan Sarjana Ekonomi Indonesia Cabang Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46750/economica.v12i2.289

Abstract

This study aims to analyze the impact of job satisfaction, work discipline, and work motivation on employee loyalty at PT. Baraka Sarana Tama. The research uses a quantitative approach with descriptive and verificative methods, and data collection techniques are conducted cross-sectionally. Data analysis is performed using Partial Least Square (PLS-SEM). The sample consists of 90 employees selected through Simple Random Sampling. The results show that job satisfaction, work discipline, and work motivation have a positive and significant effect on employee loyalty. Work discipline and work motivation are found to have a more significant impact on loyalty, with high discipline and strong motivation playing an essential role in increasing employees' commitment to the company. These findings emphasize that companies focusing on improving job satisfaction, recognizing achievements, and providing career development opportunities are more successful in building a loyal and dedicated team. This study also suggests that companies should ensure fair and consistent application of work discipline to support employee loyalty. Keywords: Job Satisfaction, Work Discipline, Work Motivation, Employee Loyalty, SEM PLS
STUDI SINTESIS KATALIS Cr/SiO2 DARI LIMBAH ARANG PABRIK KELAPA SAWIT SERTA UJI AKTIVITASNYA PADA PROSES PERENGKAHAN KATALITIK CRUDE PALM OIL (CPO) Nazarudin, Nazarudin; Bakar, Abu; Marlinda, Leny; Asrial, Asrial; Gusriadi, Dedi; Yani, Zunarta; Panda, Edy; Kanto, Rizky; Ulyarti, Ulyarti
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 1 No. 2 (2017): Jurnal Ilmiah Ilmu Terapan Universitas Jambi
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.539 KB) | DOI: 10.22437/jiituj.v1i2.4282

Abstract

Penelitian ini bertujuan untuk mengetahui karakteristik katalis Cr/SiO2 untuk penggunaannya pada proses perengkahan katalitik CPO serta mengetahui aktivitas katalis Cr/SiO2 pada proses perengkahan katalitik CPO. Jenis penelitian yang dilakukan adalah penelitian eksperimen laboratorium, katalis hasil sintesis dianalisis dengan metode X-ray Difraktion dan SEM-EDS, katalis Cr/SiO2 hasil sintesis digunakan pada proses perengkahan katalitik CPO dengan memvariasikan jumlah CPO, perbandingan katalis:CPO (1:20;1:25;1:30). Bensin diperoleh memisahkan bensin dari Cairan Hasil Perengkahan (CHP) dengan cara destilasi. Hasil persentase konversi CHP yang diperoleh dari perengkahan katalitik Katalis:CPO (1:20;1:25;1:30) yaitu 58.53%;74.08%;58.76%. Sedangkan persentase konversi bensin pada perengkahan katalitik dengan perbandingan katalis:CPO (1:20;1:25;1:30) yaitu 9,91%;11,23%;8,09%. Arang dari limbah pabrik kelapa sawit dapat dijadikan sumber silika dan bisa disintesis menjadi katalis Cr/SiO2. 2. Katalis Cr/SiO2 sebagian besar mengandung SiO2 yang mempunyai sistem Kristal Hexagonal dan Cr/SiO2 mempunyai sistem Kristal Orthohombic. Namun demikian hasil sintesis katalis Cr/SiO2 pada penelitian ini kurang selektif untuk perengkahan katalitik CPO dibuktikan dengan peningkatan persentase konversi bensin yang tidak terlalu signifikan.
Stabilisasi Tanah Gambut Dengan Penambahan POFA (Palm Oil Fuel Ash) Dan Semen Terhadap Indeks Properti Tanah Putri, Niken Tasya Clara; Dwina, Dila Oktarise; Nazarudin, Nazarudin; Kumalasari, Dyah
Jurnal Teknologi dan Inovasi Industri (JTII) Vol 3, No 1 (2022)
Publisher : Fakultas Teknik, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtii.v3i1.37

Abstract

Provinsi Jambi termasuk salah satu provinsi pemroduksi sawit terbesar, oleh karena itu dibutuhkan pemanfaatan atau pengelolaan limbah abu sawit agar tidak menumpuk dan memperkecil timbulnya masalah terhadap lingkungan. Salah satunya adalah pemanfaatan POFA (Palm Oil Fuel Ash) sebagai material stabilisasi tanah. Material yang dapat di jadikan alternatif sebagai bahan tambahan stabilisasi tanah pada campuran POFA ini adalah semen dimana material tambahan semen dimana bila ditambahkan air akan terjadi reaksi hidrasi sehingga dapat mengeras dan  dapat mempengaruhi nilai fisik dan mekanis tanah. Dalam penelitian ini digunakan variasi campuran yang digunakan untuk tanah gambut yaitu 20% POFA + 9% semen, 25% POFA + 9%semen,  30% POFA + 9% semen, dan 35% POFA + 9% semen terhadap berat kering tanah gambut dengan pemeraman 0,7,14, 28 hari untuk indeks properti. Pada pengujian indeks properti terdapat uji kadar air, berat jenis, batas-batas atterberg. Pada pengujian kadar air variasi 100% tanah hingga variasi 65% tanah, kadar air pada 0 hari hingga 28 hari mengalami pengurangan terus menerus. Begitu juga pada atterberg, pada variasi 100% tanah hingga variasi 65% tanah, pada uji 0 hari hingga 28 hari juga mengalami pengurangan nilai indeks plastisitasnya. Berbeda dengan kadar air dan atterberg, nilai pengujian berat jenis dari tanah asli meningkat setelah penambahan variasi namun pemeraman tidak mempengaruhi nilai dari berat jenis tersebut.
Use Of Used Goods (Waste) As Learning Media For Materials And Energy Topics In Basic Chemistry Courses At Jambi University Nazarudin, Nazarudin; Asyhar, R; Ardina, V
Tekno - Pedagogi : Jurnal Teknologi Pendidikan Vol. 9 No. 2 (2019): Tekno-Pedagogi
Publisher : Program Magister Teknologi Pendidikan Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/teknopedagogi.v9i2.32754

Abstract

Oxidation of Styrene to Benzaldehyde Using Environmentally Friendly Calcium Sulfate Hemihydrate-Supported Titania Catalysts Koesnarpadi, Soerja; Wirawan, Teguh; Nurhadi, Mukhamad; Wirhanuddin, Wirhanuddin; Prananto, Yuniar Ponco; Nazarudin, Nazarudin; Degirmenci, Volkan; Lai, Sin Yuan; Nur, Hadi
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 4 Year 2024 (December 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20224

Abstract

This paper presents the synthesis and characterization of calcium sulfate hemihydrate (CSH)-supported titania (TiO2) catalysts and their application in the environmentally friendly oxidation of styrene to benzaldehyde using hydrogen peroxide (H2O2) as the oxidant. The study explores the catalyst's structure-activity relationship, emphasizing the importance of mesoporous materials for enhanced catalytic performance. The CSH-Titania catalysts were synthesized using fish bone-derived CSH as a support, which aligns with green chemistry principles. Characterization techniques such as Fourier Transform Infra Red (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscope (SEM), and Brunauer-Emmett-Teller (BET) surface area analysis confirmed the successful impregnation of titania and its catalytic efficiency. The catalysts exhibited high selectivity for benzaldehyde, achieving up to 49.45% conversion of styrene, with benzaldehyde as being the main product. The research highlights that the catalyst’s performance decreased after calcination due to a reduced surface area and pore volume, yet it maintained recyclability across three cycles with minimal  lose  in selectivity loss. Overall, this study introduces a cost-effective and sustainable approach to styrene oxidation, demonstrating the potential for industrial application in producing high-value chemicals with minimal environmental impact. Copyright © 2024 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Co-Authors -, Maison AA Sudharmawan, AA Abu Bakar Abu Bakar Achmad Hizazi Achmad, E Adang, Ferry Ade Yulia Afreni Hamidah Afrida Afrida Afrida Afrida Agus Ari Setiawansyah Agus Salim Agus Salim Agus Subagyo Agustini, Yetty Ahmad Syadzali Alfernando, Oki Allan Moechamad Zaennoer Kasdjan, Allan Moechamad Zaennoer Amalia, Rahma Andi Aderus Andriani, Nova Andrilolo, Andrilolo Arafi Satria Nugraha Ardina, V Aris Doyan Aris Doyan Aritonang, Anthoni Batahan Armando, YG Asep Bambang Susanto asih, yekti purwo Asmiyunda Asni Johari Asrial Asrial , Asrial Asyhar, R Balqis Rahmatullah Putri Bilady, Royhan Budiono, Satwiko Cahyati, Septina Yuri Darmiyati Dedi Gusriadi Degirmenci, Volkan Deni Irawan Dewantara, Dede Dian Wulansari Dian Wulansari, Dian Dwina, Dila Oktarise Dyah Kumalasari E. Maryana Edy Panda Erawaty, Lela Ervan Johan Wicaksana Evita Anggereini Firdaus Muhammad FITRY TAFZI Friani, Desi Gabriel, Marthen Gusriadi, Dedi Hadi Nur Hadistya Suryadri Hasnita, Aufa Haviz, M Hesti Megawati Hutwan Syarifuddin I. Rahmayani Ibnatun Rif'ah Ilham Falani Indra Agung Pratama Indra Indra Indriyani Indriyani, I Iqbal Ridho Juliandri Ira Galih Ira Galih Prabasari Irma Rahmayani Irma Rahmayani Irpan Ali Rahman Ishak, Putri Mutiara Ismail, Gurawan Dayona Juanda, Adrisma Jumardi Budiman Junaedi Yusuf, Junaedi Junri anton Situmorang Kanto, Rizky Khusnelia, Jeni Kurniaty, Dwi Lai, Sin Yuan Lavlinesia Lavlinesia Lavlinesia, lavlinesia Leny Marlinda Lestari, AD Lisani Lisani, Lisani Liza Aulia Yusfi M. Rizki Mahardini, Angger Putri Mahmuddin Mahmuddin Marlinda, Leny Martinus Maslim Medina Alia Rahmawati Muhammad Agus Muljanto Mukhamad Nurhadi, Mukhamad Mundarti, Sri Murdia, Agus Miranda Mursalin Mursalin . Mursalin, M Mursyid Mursyid . Mursyid Mursyid N Panjaitan Nawahdani, Ahmad Mansur Ninada, Ninada Nova Kafrita Nur Wulandari Nursela, S Oki Alfernando Oman Zuas Pamungkas, Putra Panda, Edy Prabasari, IG Prabowo, Yulius Pratama, Seftiananda Prihatin, Edi Putri Sakinah Harahap Putri, Niken Tasya Clara Ra'ida Raudhatussya'rifah Rahayu Suseno Rahmayani, I Ramadani, Suci Putri Ramadhani, Adisty Rara Ayu Lestary Ratumanan, Tanwey Ria Amelia Yolanda Rifqi Oktarianda Ripka Nainggolan Rizky Kanto Rosmawati Sipayung Rosyani Rulaini, Melati S.P. Amalia Said Sanimubarak Al'qudusi SALPRIMA YUDHA S Salsabila Setyaningsih Satria, Wiranto Septikasari, Anisa Nur Silvi Leila Rahmi Siregar, Nurainun Siti Nursela Soerja Koesnarpadi Sri Widiyawati Sulistiana, Ika Putri Sunarno Sunarno Surhaini Surhaini, Surhaini Suripto Dwi Yuwono SUSENO, JOKO Susilawati - SYAHRIAL SYAHRIAL Tamrin Teguh Wirawan, Teguh Tesy Pratami Tezar, Muhammad Tomara, Anggel Ulyarti Wahyu Ningrum, Wulan Wahyudi Zahar Widyaningsih, Atria Tiffany Widyastuti, Nita Winda Ananda Wirhanuddin, Wirhanuddin Y. G. Armando Yani, Zunarta Yaumidin, Umi K Yogie Yogendra Hans Yuana yuana, Yuana Yuhermita, NM Yuniar Ponco Prananto Yuwono, Suripto D Zunarta Yani