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Economic Analysis of the Preliminary Design of a Chemical Mini-Plant to Produce Palm Oil Based Estolide Calcium Sulfo-Ole Heavy -duty Bio grease with a Capacity of 36 Tons/Year Luthfi, Muhammad; Sukirno, Sukirno
TEKNIK Vol 46, No 3 (2025): Vol 46, No 3 (2025): July 2025 Publication in-progress
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v46i3.71079

Abstract

The rapid growth of the automotive, manufacturing, and heavy-duty industries has increased lubricant demand, particularly lithium-based grease. However, due to supply constraints and rising costs, calcium is a more sustainable substitute for lithium in lubricants. This study develops heavy-duty bio grease based on palm oil estolide with calcium sulfo-oleate as a more economical and eco-friendlier alternative. The research adopts a pilot-scale approach with a 36 tons/year production capacity, aligned with Micro, Small, and Medium Enterprises (MSMEs). The product, heavy-duty bio grease Calcium Sulfo-Ole, uses Estolide Base Oil SAE 40 as the primary component. The process includes epoxidation, esterification, saponification, and formulation. Testing confirms that the ester-based oil has high viscosity and oxidative stability, making it suitable for NLGI 2 standard applications in heavy machinery. Economic analysis indicates strong viability, with a positive Net Present Value (NPV) of Rp1.3 billion over 10 years, Internal Rate of Return (IRR) of 13%, and Return on Investment (ROI) of 206%. The Break-Even Point (BEP) reached 83% capacity, proving feasibility. This bio grease reduces reliance on lithium-based lubricants while promoting sustainable, plant-based lubricants.
Analisis Efektivitas Dan Efesiensi Terhadap Kinerja Keuangan Di PTPN VII Bandar Lampung Periode Tahun 2018-2022 Hayati, Nena; Luthfi, Muhammad; Alansori, Apip; Lukman, iing
Jurnal Riset Akuntansi dan Manajemen Malahayati (JRAMM) Vol 14, No 1 (2025): Akuntansi Keuangan dan Bisnis
Publisher : Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jur.jeram.v14i1.21962

Abstract

This research is intended to evaluate the effectiveness and efficiency of using Financial Performance at PTPN VII Bandar Lampung during the 2018-2022 period. This research approach is descriptive qualitative, using quantitative data from the financial reports of PTPN VII Bandar Lampung for 2018-2022. The analytical tools applied include liquidity, profitability, solvency and activity ratios. The research method used is a descriptive method with regular data collection from 2018 to 2022, with a focus on a case study approach. The results of this research indicate that liquidity ratios, such as the Current Ratio and Cash Ratio, show that financial conditions are not yet optimal and the company is still having difficulty meeting its current obligations.
Pengaruh Sistem Informasi Akuntansi, Audit Internal, Kualitas Sumber Daya Manusia, Pengawasan Keuangan Daerah Dan Penerapan Standar Akuntansi Pemerintahan Terhadap Kualitas Laporan Keuangan Di Instansi Pemerintah (Studi Kasus Dinas Ketahanan Pangan, Tanaman Pangan Dan Hortikultura Provinsi Lampung) Kusnadi, -; Luthfi, Muhammad; Nurmilla, Mely
Jurnal Riset Akuntansi dan Manajemen Malahayati (JRAMM) Vol 14, No 2 (2025): Kinerja dan Bisnis
Publisher : Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jur.jeram.v14i2.22014

Abstract

This research was motivated by several weaknesses in the financial reporting of the Lampung Province Food Security, Food Crops, and Horticulture Agency (KPTPH), a government agency that is not yet fully qualified. These weaknesses include: 1) Lack of adequate human resources for preparing financial reports at the work unit and regional levels, 2) Inadequate administration, 3) Inefficient budget utilization due to negligence in implementation, 4) Minimal employee knowledge of government accounting regulations, and 5) A suboptimal internal control system.This research used a quantitative approach, with data collected through questionnaires from all finance employees at the agency. Analysis was conducted using SmartPLS version 4. The results indicate that all variables—Accounting Information Systems, Internal Audit, Human Resource Quality, Regional Financial Supervision, and Implementation of Government Accounting Standards—have a positive and significant impact on financial report quality. The Adjusted R-Square of 0.976 indicates that 97.6% of the variation in the quality of financial reports can be explained by these variables, while the remaining 2.4% is explained by other factors not examined.
Penyuluhan Pendanaan di Luar Neraca (Off-Balance-Sheet Financing), Modal Saham, dan Saldo Laba bagi Karyawan Bidang Akuntansi Novyarni, Nelli; Harni, Reni; Kartijo, Kartijo; Luthfi, Muhammad; Rahayu, Dwi; Setiawan, Muhammad Rizki
Jurnal Pengabdian Nasional (JPN) Indonesia Vol. 6 No. 3 (2025): September
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK Indonesia Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63447/jpni.v6i3.1532

Abstract

This activity aims to provide counseling on off-balance sheet financing techniques for accounting employees at STEI Jakarta. The method used in this activity is counseling based on processing materials delivered by competent speakers. The results of this community service activity indicate that participants are able to understand the importance of off-balance sheet financing counseling techniques, share capital and retained earnings for accounting employees. In addition, participants also gain an understanding of managing and organizing financial funding more efficiently and effectively.
Rancang Bangun Mesin Pemotong Tahu Otomatis Berbasis Elektropneumatik dengan Pendekatan Participatory Rural Appraisal dan Eksperimental Ghozali, Muhamad; Luthfi, Muhammad; Gunawan, Leo Van; Sukroni, Sukroni; Jayamulya, Agus; Rifani, Ari Khoeri
Journal of Applied Mechanical Technology Vol 4 No 1 (2025): JOURNAL OF APPLIED MECHANICAL TECHNOLOGY (JAMET)
Publisher : Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/journalofappliedmechanicaltechnology.v4i1.309

Abstract

ABSTRACT – Manual tofu cutting is often time-consuming and less efficient, necessitating innovation to enhance productivity. This study aims to design an automatic tofu cutting machine as a replacement for the manual cutting process. The method used is Participatory Rural Appraisal (PRA) with an experimental approach. The design process involves simulations to determine the machine's technical specifications, resulting in a minimum pneumatic piston diameter of 24 mm, an inertia of 88,281.25, and a maximum stress of 0.24 N/mm². Testing shows that the machine can cut 112 pieces of tofu in 3.8 seconds. These results indicate that the automatic tofu cutting machine significantly improves the efficiency and speed of the cutting process compared to manual methods. This research contributes to the development of more efficient food processing technology applicable to small-scale industries.
KARAKTERISTIK DAN GAMBARAN HISTOPATOLOGI PADA PASIEN APENDISITIS DI RSUD 45 KABUPATEN KUNINGAN TAHUN 2022 Wahidin, Dea Triasari Indriyanti; Dillah, Agisny Alfatihatul; Fitrie, Alya Amila; Warsodoedi, Dini Sapardini; Larasati, Putri Ajeng Ayu; Loebis, Irwan Meidi; Luthfi, Muhammad
Tunas Medika Jurnal Kedokteran & Kesehatan Vol 11 No 2 (2025): TUNAS MEDIKA JURNAL KEDOKTERAN & KESEHATAN
Publisher : Fakultas Kedokteran UGJ Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/tumed.v11i2.10926

Abstract

Latar Belakang: Apendisitis adalah peradangan pada apendiks vermiformis yang merupakan suatu keadaan darurat yang terjadi pada bidang bedah abdomen. Prevalensi angka kejadian apendisitis di Indonesia menempatkan angka tertinggi dari negara ASEAN dengan 10 juta penduduk mengalami apendisitis pertahunnya. Kejadian apendisitis dipengaruhi oleh beberapa hal seperti usia, jenis kelamin, kecukupan makanan berserat dan status gizi. Salah satu pemeriksaan yang bertujuan untuk mendiagnosis apendisitis dapat dilakukan dengan cara pemeriksaan histopatologi. Tujuan: Mengetahui karakteristik dan gambaran histopatologi pada pasien apendisitis di RSUD 45 Kabupaten Kuningan. Metode: Penelitian ini merupakan penelitian observasional deskriptif, dengan pendekatan retrospektif dan metode total sampling. Data yang digunakan yaitu data sekunder berupa rekam medis pasien apendisitis akut di RSUD 45 Kabupaten Kuningan. Hasil: Dari 49 sampel yang memasuki kriteria inklusi dan eksklusi didapatkan prevalensi karakteristik pasien apendisitis berdasarkan kelompok usia terbanyak adalah kelompok remaja akhir usia 17 – 25 tahun sebanyak 10 orang (20,4%) dan kelompok jenis kelamin terbanyak adalah kelompok laki-laki sebanyak 26 orang (53,1%). Sedangkan prevalensi gambaran histopatologi pasien apendisitis terbanyak adalah apendisitis akut phlegmonosa sebanyak 19 orang (36,5%). Kesimpulan: Prevalensi tertinggi pada karakteristik pasien apendisitis di RSUD 45 Kabupaten Kuningan adalah usia remaja akhir (17 - 25 tahun) dan jenis kelamin laki-laki, sedangkan prevalensi tertinggi pada gambaran histopatologi pasien apendisitis di RSUD 45 Kabupaten Kuningan adalah apendisitis akut phlegmonosa
Inovasi Pemerintah Dalam Menyelesaikan Persoalan Keamanan Kota: Studi Kasus Kabupaten Sinjai Azizia, Mutahharatul; Luthfi, Muhammad; Takdir, Muhammad
Jurnal Administrasi dan Kebijakan Publik Vol. 8 No. 1 (2023): April
Publisher : Laboratorium Administrasi Publik FISIP Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jakp.8.1.111-121.2023

Abstract

Seiring kemajuan teknologi informasi saat ini, perkembangan teknologi industri keamanan informasi juga semakin berkembang, dan perangkat serta aplikasi mengontrol keamanan. Tujuan penelitian ini untuk mengetahui bagaimana inovasi pemerintah terkait tentang keamanan kota. Metode yang digunakan dalam penelitian ini yaitu metode kualitatif dengan pendekatan studi kasus. Dalam hal keamanan kota inovasi pemerintah kabupaten sinjai melakukan pengadaan cctv. Penggunaan teknologi CCTV (closed circuit television) dapat mempermudah akses informasi, monitoring dan penggunaan di area tertentu. Keberadaan kamera cctv sudah banyak yang menggunakan, bahkan hampir setiap pembelanjaan umum atau tempat tertentu banyak memasang CCTV untuk membantu keamanan. Penggunaan CCTV bukan hanya untuk perusahaan besar atau toko toko saja, namun rumah pribadi juga banyak yang memasangnya untuk mengawasi anak anaknya ketika sedang keluar rumah ataupun barang yang mungkin berharga bagi sang pemilik rumah. Dengan adanya kebijakan pemerintah kabupaten sinjai terkait kemanan kota dengan pengadaan CCTV banyak membantu warga maupun pihak kepolisian untuk melihat insiden seperti kecelakaan, kekerasan dan pencurian di titik-titik tertentu dengan memperoleh pengawasan video.
Implementasi Kebijakan Pupuk Subsidi di Dinas Tanaman Pangan Hortikultura dan Perkebunan Kabupaten Sinjai Irmalasari, Linda; Luthfi, Muhammad; Baharuddin, Baharuddin
Jurnal Administrasi dan Kebijakan Publik Vol. 9 No. 1 (2024): April
Publisher : Laboratorium Administrasi Publik FISIP Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jakp.9.1.137-150.2024

Abstract

The provision of subsidy fertilizers for farmers is intended to increase progress in innovation changes in human resource development in the agricultural sector, subsidies as a supporting factor of optimal implementation of government policies against subsidized fertilizer policies developed by the government based on the needs of the community, especially farmers. In its application, this fertilizer is intended for farmers to increase productivity and improve economic level, also minimizes costs. The purpose of this study is to find out how the implementation of subsidized fertilizer policy in Indonesia. The findings in this study are one of the programs of government policy related to subsidized fertilizers, namely the farmer card program registered in the Group Needs Definitive Plan (RDDK) system. However, according to surveys, there is still a scarcity of subsidized fertilizers so that the price becomes expensive. And many farmers who are not part of the Group Needs Definitive Plan (RDDK) system also need subsidized fertilizers, but the government only provides them to farmers who are members of the RDDK system. In addition, the Indonesian government has implemented various measures to ensure the distribution of subsidized fertilizers to farmers, one of the steps taken is to socialize changes in subsidized fertilizer policies.
NERS CILIK: PEMBERDAYAAN SISWA SEBAGAI PELOPOR KESEHATAN DI SEKOLAH Tafwidhah, Yuyun; Mita, Mita; Agung Krisdianto, Muhammad; Luthfi, Muhammad; Wahyuningtyas, Tri; Maulidia, Aqilah; Dini Septiany, Anisha
Martabe : Jurnal Pengabdian Kepada Masyarakat Vol 8, No 3 (2025): MARTABE : JURNAL PENGABDIAN KEPADA MASYARAKAT
Publisher : Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jpm.v8i3.964-971

Abstract

Program “Ners Cilik” merupakan upaya pemberdayaan siswa sebagai pelopor kesehatan di sekolah yang sejalan dengan tujuan Usaha Kesehatan Sekolah (UKS). Pemberdayaan siswa ini membutuhkan pendekatan yang berkelanjutan agar dampak positifnya dapat bertahan lama. Siswa yang mengikuti program ini akan terus berganti setiap tahunnya seiring dengan kenaikan kelas. Oleh karenanya perlu kembali dihidupkan secara rutin agar siswa baru dapat mengikuti jejak pendahulunya dalam mendukung kesehatan di sekolah. Kegiatan ini bertujuan untuk memberikan penguatan pengetahuan dan keterampilan kepada siswa kelas 4 dan 5 Sekolah Dasar sebagai Ners Cilik. Dengan melibatkan 30 siswa, kegiatan dilakukan dengan metode kombinasi ceramah, demonstrasi, pemutaran video, dan sesi tanya jawab. Materi yang diberikan yaitu pengenalan Ners Cilik, Perilaku Hidup Bersih dan Sehat (PHBS) termasuk di dalamnya pencegahan terhadap penyakit menular dan tidak menular, serta Pertolongan Pertama Pada Kecelakaan (P3K). Evaluasi dilakukan sebelum dan sesudah kegiatan dengan hasil menunjukkan peningkatan rata-rata dari 64,76 menjadi 72,38. Dengan peningkatan ini diharapkan siswa dapat berperan aktif dalam membantu meningkatkan kesehatan di sekolah dengan menyebarkan informasi dan melakukan aksi nyata untuk mewujudkan lingkungan sekolah sehat.
The Effect of Battery Settings and Fan Parameters on the Performance of the Lithium-Ion Battery Thermal Management System in a Circular Configuration Luthfi, Muhammad; Ghozali, Muhamad; Kurniawan, Yudhy
JST (Jurnal Sains dan Teknologi) Vol. 13 No. 3 (2024): Oktober
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v13i3.84849

Abstract

This study examines the performance of a thermal management system for 18650 lithium-ion batteries using a circular placement configuration and a forward-curved fan. Experiments were conducted with variations in fan speed, the number of fan blades, and battery positioning (aligned or zigzag) to observe their effects on temperature and temperature distribution during the battery discharge process. The results showed that increasing fan speed significantly reduced battery temperature to around 30-33°C and improved temperature distribution uniformity with a standard deviation ranging from 0.5 to 1.21°C. Meanwhile, variations in the number of fan blades and battery positioning had an insignificant impact on temperature reduction but did influence temperature distribution uniformity, with the lowest standard deviation of 0.5-0.6°C observed in the three-blade variation. The zigzag positioning provided a more uniform temperature distribution compared to the aligned positioning, with a standard deviation of 0.51-0.97°C
Co-Authors Abdul Rakhman Afrilianti, Azyarah Afrizal Tanjung Aga Satria Nurrachman Agung Krisdianto, Muhammad Agus Suryanto Ahyaeni, Fenni Nurian Ainal Mardhiah Ainun Najib Febrya Rahman Alansori, Apip Alauddin Alauddin, Alauddin Alfi Syahrin, Alfi Alfiana Alfiana Alfiansyah, Agil Alhidayati Asymal Amat, Mohammad Amat, Mohammad Azwar Amy Nindia Carabelly Andrizal Anggoro, Aria Anggraeni Anggraeni Aprilisty, Fiolla arafat, yaseer Ariyati Retno Pratiwi, Ariyati Retno Asyhari, Nidya Pramesti Olifia Aulia, Khairunisa Azizia, Mutahharatul Azzaki Abubakar, Azzaki Badruzzaman Badruzzaman Bagas Tri Jayanto, Yohanes Baharuddin Baharuddin Bakri, Asri Ady Bambang Rudito Brajadenta, Gara Samara Bungawati Bungawati, Bungawati Buyung Solihin Hasugian Cahyanti, Tri Darisnawati, Aulia Dayana, Jaisy Alifah Deviani, Alfitri Dewi Elfidasari Dikki Saputra Dillah, Agisny Alfatihatul Dini Sapardini Warsodoedi Dini Septiany, Anisha Dwi Rahayu Dwi Ratna Indri Hapsari Eferedy, Jhon Eka Sariningsih Elyas, Ananda Hadi Emman, Irene Max Erna Listyaningsih Faida, Nurul Amanda Fajri, Ade Ruli Nurul Fajrin, Yaris Adhial Fathy, Rusydan Fauzan, Opi Fauzi Yusuf, Fauzi Firdaus Firdaus Fitrie, Alya Amila Gamawan Ananto Gideon, Hermito Gusfi, Melly hakiki, candra Hanafi Nur Hanalde Andre Hanun, Hafshah Zhafirah Siri Haris, Emin Harmita, Devi Harni, Reni Hasan, Muhammad Inamul Hasnan Bachtiar Hayati, Nena Hermawan, Luxman Hutami, Wijayanti Diah Wasi Ichdan, Dany Amrul Iing Lukman Ikhsan, Intan Aprillia Indah Lia Puspita Indah Listiana Kriswandini indri fitriani Ira Widjiastuti Irmalasari, Linda Irwan Syah Iskandar, Muhammad Isnani Darti Izzuddin , Ahmad Jayamulya, Agus Juanda Pulungan, Ahmad K, Ayleen Alicia Kartijo, Kartijo Kasih Kusnadi, - Kusuma, Jaya Adi larasati, putri ajeng ayu Leo Van Gunawan Limbong, Sherina Br Litaqia, Wulida Loebis, Irwan Meidi Lubis, Muya Syaroh Iwanda M Nasir M., Arwan Maghfirah, Desi Maharani, Reizki Martien Herna Susanti Maulidia, Aqilah Meti Zuliyana, Meti Mikial, Msy. Miswardi Miswardi, Miswardi Mita Mita, Mita Mudrikah, Ritali Evi Muhamad Ghozali, Muhamad Muhammad Luthfi Muhammad Takdir, Muhammad Mustofa, Adelia Nabila, Talita Nastiti Faradilla Ramadhani Nasution, Asrindah Nelli Novyarni Noviani, Isti Novizon, Novizon Nugraheni Arumsari Nur Arsyi, Reza Nur, Mujadilah Nurchamidah, N. Nurfadhilah Nurmilla, Mely Nuzul Hidayat, Nuzul Oop Ropei Pairah, Pairah Pane, Dilla Amadea Perdana, M. Zaky Pratama, Ferdian Wira Pratama, Iwan Saputra Pratama, Rizki Wahyu Prayoga, Jonathan Priyo Nugroho, Anton Purnama Sari, Dwi Purnomo, Avisena Gatot Putra, Arafi Maulana Rachmawan, Dicky Raharsyah, Muhammad Rahmadayanti, Nabila Rahmah Hayati Ramdani Bayu Putra Rangkuti, Marah Sutan Rasimin, R. Revasya, Alya Rizka Rianto Wibowo. Ridho Mubarok, Ahmad Rifani, Ari Khoeri Riky Taufik Afif Rita Zulbetti Riyadhi, Alvin Jannet Rizki, Nur Kholis Ali Rizki, Nur Kholis Ali Rochmad Winarso Rudy Fernandez Sadri Safwadi, Irwan Sari, Murni Indah Septina, Wenny Eka Septina, Wenny Eka Setiawan, Muhammad Rizki Sifa, Agus Sihombing, Dona Silitonga, Juliarta Sitti Wahidah Masnani Sri Wigati Mardi Mulyani Sukarelawati Sukirno Sukirno Sukroni, Sukroni Sulistya, Novi Sumarno . Surya Agustin, Asep Suwandi, Dedi Syafaruddin, Baso Tafwidhah, Yuyun Thresagloria, Tambunan Seselia Tinuk Dwi Cahyani Totok Yulianto Tri Putri, Deby Kania Tri Wahyuningtyas, Tri Usman Usman Valensia, Theodora Valentina, Nurbrilliani Mutiara Vina Arnita Wahidin, Dea Triasari Indriyanti Wahyudi, Aditya Winata, Bisma Panca Wisnu Setyari Juliastuti Yudhy Kurniawan, Yudhy Yuliansyah Yuliansyah Yunita Savitri Zainuddin Iba Zulfa, Randa Pratama Zurnawita Zurnawita