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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
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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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Utilization of Polypropylene (PP) Plastic Waste with Waste Oil Palm Empty Brunch for an Alternative Fuels Putri Sakinah Harahap; Hutwan Syarifuddin; Ulyarti Ulyarti; Nazarudin Nazarudin
IJFAC (Indonesian Journal of Fundamental and Applied Chemistry) Vol 7, No 3 (2022): October 2022
Publisher : IJFAC (Indonesian Journal of Fundamental and Applied Chemistry)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24845/ijfac.v7.i3.143

Abstract

The need for plastic corresponds with the annual rise in population. Meanwhile, plastic waste that is improperly managed can negatively influence the environment. Therefore, a more promising alternative recycling process is needed to convert this waste into oil by cracking, and the process is possibly assisted by adding empty palm oil bunches. This study examines how modifications in the ratio of oil palm empty bunches to Polypropylene (PP) plastic waste influence the percent liquid produced by cracking and the heating value during the process. It is a completely randomized design (CRD) with variations in the ratio of plastic raw materials: oil palm empty fruit bunches 1:0, 1:1, 1:2, and 1:3 at a temperature of 450°C and 40 minutes duration. This resulted in liquid conversion from cracking of 80% at 1:1 of PP: TTKS 1:1. However, the addition of oil palm empty fruit bunches to polypropylene polymers does not affect the increase in the percent conversion outcomes. The results of the heat test analysis show the value of 6.681 MJ/kg and 1.512 MJ/kg. Keywords: Cracking, catalytic cracking, polypropylene plastic, biomass, alternative energy
Catalytic Cracking of Crude Palm Oil Using Ni-Carbon with Ion Exchange Method Nazarudin Nazarudin; Ira Galih Prabasari; Agus Ari Setiawansyah; Ulyarti Ulyarti
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 5 (2022): November
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i5.2322

Abstract

According to data from the National Energy Council (DEN) (2016), the energy consumption in Indonesia is increasing every year and will increase 1.8 times in 2025, this requires an alternative energy to back up the energy needs. One such alternative energy strategy is to use biodiesel. Biodiesel can be obtained from Crude Palm Oil using a catalytic cracking process. This study investigated the cracking of Crude Palm Oil using Ni-carbon with ion exchange method. The concentration of the metal solution used was 1, 2 and 3%, with temperature 450, 500 and 550 ° C. The catalyst was analyzed by XRD and showed that the highest pattern at 25.6º on 2% solution. The catalyst characterized by SEM-EDX showed that the nickel metal bonded to the 1, 2, and 3% Ni-Charcoal catalysts was 02.01, 1.13 and 2.09%, respectively and the average of catalytic cracking product conversion at concentrations of 1, 2and 3% was 62.55, 66.52 and 56.50%, respectively.
PENGARUH KONSENTRASI MINYAK CENGKEH TERHADAP KARAKTERISTIK EDIBLE FILM DARI PATI SINGKONG - KITOSAN Ulyarti; M. Rizki; Mursyid; Irma Rahmayani; Rahayu Suseno; Nazarudin
JURNAL TEKNOLOGI PERTANIAN Vol. 11 No. 2 (2022)
Publisher : Prodi Teknologi Pangan Fakultas Pertanian Universitas Islam Indragiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32520/jtp.v11i2.2156

Abstract

Edible film merupakan bahan tipis yang dapat dimakan berfungsi untuk melapisi makanan dan melindunginya. Salah satu kekurangan edible film pati singkong adalah memiliki laju transmisi uap air yang tinggi sehingga tidak dapat membatasi pergerakan uap air keluar dan masuk film. Perbaikan terhadap karakteristik ini dapat dilakukan dengan melakukan kombinasi bahan penyusun edible film dengan bahan yang bersifat hidrofobik seperti minyak. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi minyak cengkeh terhadap karakteristik edible film pati singkong-kitosan. Penelitian dilaksanakan menggunakan Rancangan Acak Lengkap dengan 6 taraf perlakuan konsentrasi minyak cengkeh (%/bb) yaitu 0, 0.5, 1, 1.5, 2, dan 2.5%. Perlakuan konsentrasi minyak cengkeh dapat memperbaiki kemampuan film sebagai penghalang serta memiliki pengaruh nyata terhadap ketebalan, transparansi, kelarutan, dan warna, namun tidak berpengaruh nyata terhadap kuat tekan film. Karakteristik edible film terbaik dihasilkan pada penggunaan minyak cengkeh 2,5% yaitu ketebalan 0,21 mm, transparansi 1,05 %/mm, kelarutan 73,66%, laju transmisi uap air 21,53 gram/m2.jam, kuat tekan 7,03 gF, L*= 61,33, a*= 0, b*=18,33 dan diameter zona hambat terhadap bakteri Staphylococcus aureus sebesar 17,05 mm.
PERENGKAHAN KATALITIK CRUDE PALM OIL (CPO) MENGGUNAKAN KATALIS NI-CARBON DENGAN METODE IMPREGNASI Nazarudin Nazarudin
Widyariset Vol 8, No 1 (2022): Widyariset
Publisher : Pusbindiklat - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/widyariset.7.1.2022.27 - 33

Abstract

AbstractThis research was carried out to investigate the effect of Ni metal that has been attached to activated charcoal to produce biofuel through the catalytic cracking process of Crude Palm Oil. In this research, the catalytic cracking process used a modified Ni-Carbon catalyst through the impregnation method with concentration and temperature variation. The concentration of the metal solution used was 1%, 2% and 3%, with temperature 450 ° C, 500 ° C and 550 ° C. The catalyst was analyzed and  characterized by XRD and SEM-EDX, where the nickel metal yields on the Ni-Carbon catalyst to the 1%, 2%, and 3%, was 8.23%, 18.42% and 9.23%, whereas the optimal product conversion result (%) of CHP cracking of Crude Palm Oil at a catalyst concentration of 2% and a temperature of 550 ° C was 73.84%.Keywords: Impregnation, Catalytic Cracking, Crude Palm Oil abstrakTujuan penelitian ini adalah  untuk mengetahui pengaruh logam Ni yang telah terembankan ke arang aktif guna membantu proses perengkahan katalitik Crude Palm Oil. Pada penelitian ini proses perengkahan katalitik  menggunakan katalis modifikasi Ni-Carbon melalui metode impregnasi. Variasi yang dilakukan meliputi konsentrasi larutan logam 1%, 2% dan 3%, dan temperatur perengkahan katalitik yaitu 450°C, 500°C dan 550°C. Analisa yang dilakukan meliputi analisa XRD dan SEM-EDX pada katalis, dimana hasil logam nikel yang teremban pada katalis Ni-Carbon 1%, 2%, dan 3% yaitu sebesar 8,23%, 18,42% dan 9,23%, sedangkan pada produk didapatkan hasil konversi optimal  (%) CHP perengkahan Crude Palm Oil pada konsentrasi katalis 2% dan suhu 550°C sebesar 73,84%.
Improving the Characteristics of Edible Film Using Modified Cassava Starch Over Ethanol Precipitation Nazarudin; Ulyarti; Indra Agung Pratama; Suripto Dwi Yuwono
Science and Technology Indonesia Vol. 8 No. 1 (2023): January
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2023.8.1.32-37

Abstract

Cassava starch has been widely explored as film forming material, however its hydrophilicity restricts its application. Hydrophobic material such as modified starch can be used in the film elaboration to improve its quality. This study aims to examine the effect of modified cassava starch concentration on the physical, barrier, and mechanical properties of edible films. A completely randomized design was used with 5 concentrations of modified starch at 0%, 5%, 10%, 15%, and 20% and 4 repetitions to obtain a total of 20 experimental combinations. The ANOVA showed that the modified starch concentration affected the compressive strength, thickness, transparency, and solubility of the edible film, but has no effect on its water vapor transmission rate (WVTR). Usage of 20% modified starch gave the product with the best characteristics at 0.22 mm thickness, 89.45 N/m2 strength, 6.484%/mm transparency, 52.19% solubility, and 21.00 g/m2.hour WVTR.
Penjernihan Air Sungai Batanghari Menggunakan Biosorben Sabut Buah Pinang (Areca Catetu) Dengan Penambahan Zeolite Dan Manganese green Akibat Illegal Gold Mining Said Sanimubarak Al'qudusi; Salsabila Setyaningsih; Balqis Rahmatullah Putri; Rifqi Oktarianda; Arafi Satria Nugraha; Wahyudi Zahar; Nazarudin .
Jurnal Ilmiah Lingkungan Kebumian Vol 5, No 1 (2022): September 2022
Publisher : Jurusan Teknik Lingkungan, FTM, Universitas Pembangunan Nasional “Veteran” Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jilk.v5i1.6986

Abstract

Adsorben penelitian ini adalah zeolit, manganese green dan karbon aktif. Zeolit sebagai adsorben kesadahan air, penukar kation, dan penetralan pH dalam air. Untuk menyaring kekeruhan Manganese green berperan dalam hal tersebut. Karbon aktif menyerap ion logam berat Pb2+ serta menghilangkan bau, rasa dan warna. Karbonisasi sabut pinang efektif untuk penurunan konsentrasi TSS, bau, warna, pH, Fe, Pb serta mikroba. Sabut buah pinang mengandung flavanoid, alkaloid, hemiselulosa (32.98%), seluloasa (63.20%), lignin (7.20%), lemak (0.64%) dan pektin. Senyawa tersebut menjadi bahan dasar pembuatan karbon aktif.  Pengujian pH sebelum filtrasi 6.67 dan sesudah filtrasi 6.38. Pengujian parameter Total Suspennded Solid mimiliki hasil uji sebelum filtrasi 56 mg/L dan sesudah filtrasi 8 mg/L. Pengujian kadar konsentrasi Fe sebelum filtrasi adalah 2.6667 ppm dan sesudah filtrasi 2.4630 ppm. Pengujian kadar Mn sebelum filtrasi 1.7881 ppm dan sesudah filtrasi 1.3475 ppm. Hasil analisis mengalami penurunan kadar konsentrasi Fe dengan tingkat efektifitas sebesar 7.638 % dan Mn 24.640 %. Luas permukaan adsorben akan semakin besar dikarenakan kecilnya ukuran adsorben. Semakin besarnya luas permukaan adsorben maka semakin banyak pori yang terbentuk per satuan partikel adsorben. Bahan penyerap, ukuran butir, derajat keasaman, waktu serap, dan konsentrasi merupakan proses dalam penyerapan adsorpsi.
IMPROVING PEMPEK’S SHELF LIFE USING YAM’S STARCH BASED BIOPLASTICS PACKAGING WITH ADDITION OF CLOVE OIL Ulyarti Ulyarti; Ria Amelia Yolanda; Dian Wulansari; Agus Salim; Nazarudin
Jurnal Teknologi Pertanian Vol. 24 No. 2 (2023)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtp.2023.024.02.1

Abstract

          This study aimed to determine the effect of yam starch and clove oil based bioplastics packaging on the microbiological and sensory properties of pempek during storage. This research was carried out by using different packaging on pempek: bioplastics and polyethylene plastic. Pempek in each group was kept for 0, 8, 16, 24, 48 hours at room temperature. The total of Staphylococcus aureus bacteria was determined using colony forming unit and the sensory properties were obtained by the determination of color, texture and aroma of pempek using 5 skilled panelists. The results showed that the use of bioplastics packaging decreased the growth of Staphylococcus aureus bacteria in pempek compared to polyethylene plastics. The decrease in acidity was in line with the growth of Staphylococcus aureus that was steeper in pempek packaged with polyethylene plastics. The use of bioplastics also maintained the sensory properties of pempek (smell of damage) during storage better than the polyethylene plastic did.
Characteristics of Bread with The Substitution of Fermented Purple Yam Flour (Dioscorea alata) Ulyarti Ulyarti; Mursyid Mursyid; Lavlinesia Lavlinesia; Iqbal Ridho Juliandri; Nazarudin Nazarudin
agriTECH Vol 43, No 4 (2023)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/agritech.76976

Abstract

Fermented purple yam flour is known to have high swelling power, which is capable of improving its ability as a substitute for wheat flour in bread production. Therefore, this study aimed to determine the effect of the substitution of wheat flour with fermented purple yam flour (FF), at 0%, 10%, 15%, 20%, 25%, and 30% concentrations on the physical, chemical, and sensory characteristics of bread. The result showed that FF concentration has no significant effect on the moisture content, specific loaf volume, hedonic aroma, and taste but significantly affected porosity, anthocyanin content, antioxidant activity, hedonic color, texture, and overall acceptance of the bread. Furthermore, the best treatment obtained was at the 25% substitution level, which produced bread with 29.30% moisture content, 27.18% porosity, 3.06 cm 3 /g specific loaf volume, and 5.30 mg/g anthocyanin. It also produced 61.03% antioxidant activity, color 3.88, texture 4.00, taste 3.92, and overall acceptance 4.00 (Likes). The maximum substitution rate of fermented purple yam flour was 25%.
The Effect of the Project-Based Learning (PjBL) Model based on an Integrated STEM Approach with Entrepreneurial Character on Students' Creative Thinking Ability Winda Ananda; Asni Johari; Nazarudin Nazarudin
Berkala Ilmiah Pendidikan Fisika Vol 12, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/bipf.v12i1.17937

Abstract

This research aims to measure students' creative thinking abilities using the Project-Based Learning (PjBL) model based on an integrated STEM approach with entrepreneurial character in dynamic electrical material. This type of research is quasi-experimental with a none-equivalent pre-test and post-test control group design research model. The population in this study was all students in class XII phase F, with a total of 8 classes. The sampling was taken using cluster random sampling. Class F4 is an experimental class with 35 people, and class F3 is a control class with 35 people. The experimental class implemented STEM-based PjBL integrated entrepreneurial character and the control class with conventional learning. The instrument used was a 4 question description test to measure creative thinking. Based on the t-test, it was found that the initial abilities in both classes were the same in terms of creative thinking skills. The average post-test score for the experimental class and control class. Based on the t-test, there is a significant difference, which means there is an influence of STEM-based PjBL integrated with entrepreneurial character on creative thinking skills.
Peningkatan Kualitas Edible Film Menggunakan Pati Uwi (Dioscorea Alata L) Hasil Modifikasi Ulyarti, U; Indriyani, I; Nursela, S; Rahmayani, I; Nazarudin, N
Jurnal Teknologi Pangan Vol 7, No 1 (2023)
Publisher : Program Studi Teknologi Pangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jtp.2023.29257

Abstract

Edible film dari pati uwi masih memiliki kualitas yang rendah ditunjukkan dengan nilai WVTR yang tinggi dan kekuatan mekanik yang rendah. Penurunan WVTR dan peningkatan sifat mekanisnya dapat dilakukan dengan penambahan pati modifikasi. Penelitian ini bertujuan untuk mendapatkan rasio volume pasta pati terhadap volume etanol yang menghasilkan pati uwi modifikasi dan untuk memperbaiki kualitas edible film dari pati uwi menggunakan penambahan pati uwi modifikasi.  Penelitian ini dilakukan dalam 2 tahap yaitu modifikasi pati uwi menggunakan metode presipitasi dan pembuatan edible film menggunakan beberapa taraf konsentrasi pati uwi modifikasi Penelitian tahap pertama didesain untuk menghasilkan pati modifikasi dengan menggunakan perlakuan rasio volume pasta pati terhadap volume etanol. Terdapat 5 taraf perlakuan rasio yang digunakan yaitu 1:5, 1:7,5, 1:10, 1:12,5 dan 1:15. Hasil penelitian menunjukkan bahwa rasio volume pasta pati terhadap etanol yang berbeda menghasilkan pati modifikasi dengan ukuran yang berbeda-beda. Rasio volume etanol 1:5 menghasilkan granula pati dengan morfologi yang paling rusak dan ukuran partikel paling kecil yaitu 1,135x1,767 µm hingga 17,601x20,359µm dan rendemen pati modifikasi 80,5%.  Penambahan pati uwi modifikasi hasil proses modifikasi pati menggunakan rasio volume pasta terhadap volume reagent non solven 1:5, sebanyak 25% berhasil memperbaiki kualitas edible film dari pati uwi alami dengan menurunkan nilai laju transmisi uap air dan meningkatkan kuat tekan
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