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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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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).
ANALISA IMBALAN PASCA KERJA BERDASARKAN SAK ETAP DAN PENGARUHNYA TERHADAP OPINI AUDITOR ATAS LAPORAN KEUANGAN Nazarudin, Nazarudin; Adang, Ferry; Suseno, Joko
Jurnal Ekonomi Integra Vol 15, No 1 (2025): Vol 15, No 1 (2025): Jurnal Ekonomi Integra
Publisher : STIE 'INDONESIA' Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51195/iga.v15i1.386

Abstract

This study aims to analyze the implementation of post-employment benefit obligations at Koperasi Sinar Andalas and their impact on the auditor's opinion on financial statements. According to Law No. 13 of 2003 on Manpower, companies are required to provide post-employment benefits to employees who experience termination of employment. These benefits include severance pay, long-service awards, and compensation for workers’ rights related to pension benefits. In Chapter 23 of SAK ETAP, post-employment benefit obligations and expenses must be recognized due to their material nature. However, many companies, especially those not publicly listed, fail to implement this requirement. Auditors play a crucial role in ensuring compliance with these obligations, as post-employment benefits can significantly affect the opinion on financial statements. This study uses a quantitative approach with the Projected Unit Credit Method to calculate post-employment benefit obligations. The results show that Koperasi Sinar Andalas has not implemented post-employment benefit obligations in accordance with SAK ETAP. Consequently, their financial statements received a qualified opinion due to the material liabilities that were not recognized..
PENYULUHAN TENTANG PENGELOLAAN KEUANGAN RUMAH TANGGA BAGI KAUM PEREMPUAN DI DESA ENTIKONG Andrilolo, Andrilolo; Asih, Yekti Purwo; Indra, Indra; Kurniaty, Dwi; Yuana, Yuana; Murdia, Agus Miranda; Widyaningsih, Atria Tiffany; Suseno, Joko; Nazarudin, Nazarudin; Budiman, Jumardi
Digulis: Jurnal Pengabdian Pada Masyarakat Vol 2, No 4 (2024): Edisi Desember 2024
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/djpkm.v2i4.90000

Abstract

Latar belakang pelaksanaan kegiatan Pengabdian Kepada Masyarakat ini yakni berdasarkan hasil observasi dan wawancara awal terhadap beberapa warga Desa Entikong Kecamatan Entikong Kabupaten Sanggau, terindikasi bahwa perilaku konsumtif sudah mulai terjadi di tengah masyarakat yang sebagaian besar bekerja di sektor pertanian dan perkebunan  serta wiraswasta tersebut. Indikasi tersebut berupa: a) pembelian barang tanpa mempertimbangkan manfaat; b) membeli barang dan jasa karena pengaruh orang lain; c) membeli barang dan jasa demi menjaga gengsi dan d) pendapatan dari hasil panen yang selalu berkurang akibat banyaknya potongan atas pembelian barang secara kredit. Berdasarkan fenomena tersebut, maka tim bersepakat untuk melakukan kegiatan penyuluhan tentang literasi keuangan pada masyarakat Desa Entikong Kecamatan Entikong Kabupaten Sanggau, khususnya pada Ibu rumah tangga. Alasan pemilihan target kegiatan ini yakni ibu rumah tangga yang bertanggung jawab mengelola keuangan keluarga. Metode pelaksanaan PKM ini berupa penyuluhan tentang literasi keuangan rumah tangga dan praktik pencatatan keuangan rumah tangga. Hasil PKM menunjukkan bahwa peserta memiliki peningkatan pengetahuan terkait aspek literasi keuangan yang mencakup: a) pengetahuan terhadap nilai barang dan skala prioritas dalam hidupnya; b) penganggaran, tabungan dan mengelola uang; c) pengelolaan kredit. Peserta juga memiliki keterampilan dalam mencatat pemasukan dan pengeluaran harian rumah tangga
Pemberdayaan Masyarakat Desa Tangkit Kecamatan Sungai Gelam dengan Mengupayakan Komersialisasi Benih Bayam Mursalin, M; Ulyarti, U; Achmad, E; Nazarudin, N
Jurnal Karya Abdi Masyarakat Vol. 6 No. 2 (2022): Jurnal Karya Abdi Masyarakat
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jkam.v6i2.23909

Abstract

Potensi benih bayam cukup tinggi di Desa Tangkit Kecamatan Sungai Gelam Muaro Jambi tetapi penguasaan teknologi di bidang produksinya oleh petani masih rendah. Penerapan teknik produksi dan pengelolaan yang baik diyakini dapat menghasilkan benih bayam unggul komersial sehingga bisa menjadi sumber pendapatan baru bagi petani bayam. Permasalahan berupa rendahnya pengetahuan, penguasaan teknologi, dan ketrampilan berusaha diatasi dengan cara (1) transfer ilmu dan teknologi produksi benih bayam unggul bernilai ekonomis tinggi; (2) meningkatkan minat masyarakat berwirausaha benih bayam; (3) melakukan komersialisasi terhadap benih bayam unggul yang berhasil dikembangkan, (4) memberdayakan kelompok tani melalui kegiatan berwirausaha; (5) memantapkan bentuk dan disain grafis kemasan menjadi lebih menarik dan berorientasi pasar sehingga dapat meningkatkan nilai dan harga jual produk; dan (6) melakukan promosi melalui internet dengan menyertakan unsur edukatif kebaikan produk dietary fiberberbasis sayur bayam bagi kesehatan. Setelah dilakukan penyuluhan dan pelatihan, pengembangan produksi benih bayam unggul menjadi suatu keniscayaan bagi masyarakat dan petani di Desa Tangkit yang memang merupakan sentra produksi bayam. Produksi benih bayam unggul merupakan alternatif jalan keluar bagi persoalan jenuhnya pasar dan tekanan hukum permintaan dan penawaran komoditas bayam segar. Pengembangan usaha ini telah menciptakan lapangan kerja baru bagi mitra dan masyarakat sasaran.
Utilization of Waste Cooking Oil as Biodiesel for Portable Stoves: Comparison of Homogeneous and Heterogeneous Catalysts Sipayung, Rosmawati; Amalia, Rahma; Ra'ida Raudhatussya'rifah; Rara Ayu Lestary; Widyastuti, Nita; Mundarti, Sri; Nazarudin
JURNAL ILMIAH PENELITIAN MAHASISWA Vol 3 No 1 (2025): Februari
Publisher : Kampus Akademik Publiser

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jipm.v3i`1.734

Abstract

This research investigates the performance comparison between homogeneous (NaOH) and heterogeneous (CaO) catalyst in biodiesel production from waste cooking oil, specifically focusing on their application as fuel for portable stoves. The study examines the effects of catalyst type with NaOH concentrations of 1%, 2%, and 3%, and CaO concentrations of 4% and 6%, along with methanol-to-oil molar ratios (1:6 and 1:12) on biodiesel yield, product color, and flame characteristics. Results show that NaOH catalyst achieved higher yields (92.30%) at 3% concentration with a 1:6 methanol-to-oil ratio, while CaO catalyst reached maximum yields of 42.00% at 6% concentration with a 1:12 ratio. NaOH-catalyzed biodiesel consistently produced clear yellow coloration, whereas CaO-catalyzed biodiesel showed varying clarity depending on process conditions. In portable stove applications, NaOH-catalyzed biodiesel demonstrated superior performance with faster combustion rates (0.0607 ml/second) and blue flames, compared to CaO-catalyzed biodiesel's slower combustion (0.0412 ml/second) and yellowish-red flames.
Membangun Kapasitas Keuangan Petani Jeruk Siam di Sambas melalui Integrasi Teknologi SIAPIK Wahyu Ningrum, Wulan; Tezar, Muhammad; Nazarudin
Jurnal Pengabdian Masyarakat Manage Vol. 6 No. 1 (2025): Februari
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/manage.v6i1.2756

Abstract

Siamese oranges are a leading commodity in Indonesia, including in Sambas Regency, West Kalimantan, which produces the highest production in the region. Despite its great potential, citrus farmers maintain challenges in the financial management of their business, which is still done manually and unstructured. This hinders business desirability and appropriate decision-making. This study aims to improve the financial management capacity of citrus farmers through the use of the SIAPIK application, a financial recording system developed by Bank Indonesia. The research approach used the Asset-Based Community Development (ABCD) method which focuses on empowerment through the utilisation of local assets. This activity was carried out through three main stages: socialisation and training, intensive mentoring, and evaluation. The results show that farmers who previously did not have organised financial records are now able to use the SIAPIK application to regularly record transactions, such as income, expenses and debts. Farmers' ability to read and analyse financial reports has also improved, which helps them plan financing and optimise farm management. This research shows that technology-based approaches and community empowerment can improve financial and technological literacy among farmers. In addition, the programme contributed to farm business efficiency, increased income and financial independence of citrus farmers in Sambas. These results provide a technology-based empowerment model that can be replicated to support the economic welfare of the agricultural sector in other areas.
Activities, Resources, and Learning Environment: A Case Study of Science Learning at Sekolah Alam Nova Andriani; Maison; Nazarudin
Jurnal Penelitian Pendidikan IPA Vol 11 No 1 (2025): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i1.9569

Abstract

This study examines science education activities, resources, and the learning environment at Sekolah Alam Al Fath Jambi Junior High School. Using a case study approach, the research involves direct observations, interviews with teachers and students, and learning materials analysis to understand the impact of various learning methods on student outcomes. The findings highlight that science learning activities align with the Sekolah Alam concept, emphasizing project-based, experiential, nature-based, and collaborative approaches. Learning occurs inside and outside the classroom, utilizing the natural surroundings for exploration and field experiments. Resources include school gardens, outbound areas, natural materials, and collaborations with local experts. The learning environment, assessed through the WIHIC questionnaire, supports student success through dimensions like cohesiveness, teacher support, involvement, task orientation, cooperation, equity, enjoyment, and academic efficacy. This study underscores the effectiveness of nature-integrated and experiential approaches in enhancing science learning outcomes and offers recommendations for advancing educational practices in similar settings.
Co-Authors -, Maison AA Sudharmawan, AA Abu Bakar Abu Bakar Achmad, E Adang, Ferry Ade Yulia Afreni Hamidah Afrida Afrida Agus Ari Setiawansyah Agus Salim Agus Salim Agustini, Yetty Ahmad Syadzali Amalia, Rahma Andi Aderus Andrilolo, Andrilolo Arafi Satria Nugraha Ardina, V Aris Doyan Aris Doyan Asep Bambang Susanto asih, yekti purwo Asni Johari Asrial Asyhar, R Balqis Rahmatullah Putri Bilady, Royhan Darmiyati Dedi Gusriadi Degirmenci, Volkan Deni Irawan Dewantara, Dede Dian Wulansari Dian Wulansari Dwina, Dila Oktarise Dyah Kumalasari E. Maryana Edy Panda Erawaty, Lela Ervan Johan Wicaksana Evita Anggereini Firdaus Muhammad FITRY TAFZI Friani, Desi Gusriadi, Dedi Hadi Nur Hadistya Suryadri 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 Ismail, Gurawan Dayona Juanda, Adrisma Jumardi Budiman Junri anton Situmorang Kanto, Rizky Khusnelia, Jeni Kurniaty, Dwi Lai, Sin Yuan Lavlinesia Lavlinesia Lavlinesia, lavlinesia Leny Marlinda Lisani Lisani, Lisani M. Rizki Mahardini, Angger Putri Mahmuddin Mahmuddin Marlinda, Leny Muhammad Agus Muljanto Mukhamad Nurhadi, Mukhamad Mundarti, Sri Murdia, Agus Miranda Mursalin, M Mursyid . Mursyid Mursyid N Panjaitan Nawahdani, Ahmad Mansur Ninada Ninada Nova Andriani Nova Kafrita Nur Wulandari Nursela, S Oki Alfernando Pamungkas, Putra Panda, Edy Pratami, Tesy Putri Sakinah Harahap Putri, Niken Tasya Clara Ra'ida Raudhatussya'rifah Rahayu Suseno Rahmawati, Medina Alia Rahmayani, I Ramadani, Suci Putri Rara Ayu Lestary Recky, Recky Ria Amelia Yolanda Rifqi Oktarianda Rizky Kanto Rosmawati Sipayung Rosyani Rulaini, Melati S.P. Amalia Said Sanimubarak Al'qudusi Salsabila Setyaningsih Seftiananda Pratama Septikasari, Anisa Nur Septina Yuri Cahyati 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 - Teguh Wirawan, Teguh Tezar, Muhammad Tomara, Anggel Ulyarti Wahyu Ningrum, Wulan Wahyudi Zahar Widyaningsih, Atria Tiffany Widyastuti, Nita Winda Ananda Wirhanuddin, Wirhanuddin Y. G. Armando Yani, Zunarta YG Armando Yogie Yogendra Hans Yuana yuana, Yuana Yuniar Ponco Prananto Yusfi, Liza Aulia Zunarta Yani