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Sulistyono Sulistyono
Balai Besar Kerajinan dan Batik
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KARAKTERISASI BIODEGRADASI PADA KOMPOSIT POLYMER POLYLACTID ACID (PLA) DENGAN PENAMBAHAN CHITOSAN DAN HYDROXYAPATITE Serfandi, Dina Novera; Setyarini, Putu Hadi; Purnami, Purnami; Sulistyono, Sulistyono
Jurnal Rekayasa Mesin Vol. 14 No. 3 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i3.1476

Abstract

Polylactid Acid (PLA) is a biodegradable polymer made from natural ingredients so it is safe to use for biomaterials. The purpose of this study was to determine the biodegradation characteristics of the addition of chitosan powder and Hydroxyapatite to PLA. There were 4 variations in this study, namely PLA 100 (pure PLA), PLA-chitosan-Hydroxyapatite 94-3-3 (Composite 1), PLA-chitosan-Hydroxyapatite 94-0-6 (Composite 2), PLA-chitosan-Hydroxyapatite 94-6-0 (Composite 3). Samples were prepared using the extrusion method to form filaments, then the filaments were injected with a temperature of 170-190°C and an injection pressure of 5-6 bar. Characterization was carried out using the Immerse Test, FTIR Test, and SEM-EDS Test. The results of the Immerse Test showed an increase in sample mass of 1.04%, 1.1%, 1.05% and 1.14% respectively. FTIR test results did not show any new functional groups in the composite. The results of the SEM test indicated the presence of Na and Cl deposits on the sample surface as evidenced by the results of the EDS test that all samples contained Na and Cl elements. So that the weight gain occurs because the three materials are not chemically mixed which easily separate and cause cavities, these cavities are filled with HBSS liquid.
SOLAR PANEL APPLICATION IN KOI SPAWNING PONDS FOR IMPROVED FISH FARMING PRODUCTIVITY IN TULUNGAGUNG Adiwidodo, Satworo; Asrori, Asrori; Witono, Kris; Fakhruddin, Muhammad; Pranoto, Bayu; Yudiyanto, Eko; Sulistyono, Sulistyono
Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Vol. 8 No. 4 (2024): DESEMBER
Publisher : LPPM Univ. Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/abdidos.v8i4.2484

Abstract

The Community Service (CS) program took place in Sumberingin Kidul Village, Ngunut District, Tulungagung Regency, approximately 100 km southwest of Malang City. The target group for this program includes small and medium enterprises (SMEs) engaged in koi fish spawning. Our partners face several challenges, primarily the reliance on aeration pumps powered by the national electricity grid (PLN) to supply oxygen to the ponds. The program aimed to install a 100 Wp solar panel system to generate clean energy for a low-voltage aeration pump, helping to maintain optimal oxygen levels in the pond and supporting healthy fish growth. The program successfully implemented this solar-powered aerator pump system in the pond area, providing an innovative, sustainable solution that empowers the community by integrating science and technology into fisheries. It is hoped that this program will inspire other fish farmers in Tulungagung and surrounding areas to adopt similar sustainable practices.
RANCANG BANGUN MESIN PEMINTAL AGEL Antana, Aan Eddy; Yogopranoto, Demas; Sulistyono, Sulistyono
Dinamika Kerajinan dan Batik: Majalah Ilmiah Vol. 33 No. 2 (2016): Dinamika Kerajinan dan Batik: Majalah Ilmiah
Publisher : Balai Besar Standardisasi dan Pelayanan Jasa Industri Kerajinan dan Batik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22322/dkb.v33i2.1630

Abstract

Industri kerajinan agel telah ada dan berkembang di beberapa wilayah di Indonesia. Sentra industri tali (tampar) agel berada di Desa Kapasan, Kecamatan Nguling, Kabupaten Pasuruan, sedangkan sentra industri kerajinan agel berada di Kecamatan Sentolo, Kabupaten Kulonprogo. Industri ini menghasilkan berbagai macam produk kerajinan bernilai ekonomi tinggi seperti; tas, topi, furnitur, noken dan masih banyak lagi produk kerajinan lainnya. Permasalahan yang dihadapi industri kerajinan agel adalah proses produksi dilakukan secara manual dengan keterbatasan  pada kapasitas produksi dan ketidakstabilan kualitas produk bahan baku tali agel.  Tujuan penelitian ini adalah untuk membuat prototype mesin pintal agel yang dapat mempersingkat tahapan proses dan meningkatkan kapasitas produksi industri kerajinan agel.  Metode yang digunakan yaitu pengumpulan data melalui survey literatur dan lapangan, perancangan desain, penyiapan bahan dan alat, pembuatan mesin, uji coba dengan variabel kecepatan putaran dan panjang agel, analisa dan pembahasan hasil uji coba. Penelitian ini menghasilkan satu unit mesin pemintal agel dengan spesifikasi panjang: 110 cm, lebar: 46 cm, tinggi: 90 cm, kapasitas produksi : 47 m/jam, penggerak motor listrik 1 phase, 220 volt, 250 watt, 1400 rpm.
Development of phenolic-modified activated carbon for reduced energy band gap and improved semiconductor performance Rahmadanti, Rahmadanti; Widodo, Agung Sugeng; Sulistyono, Sulistyono; Purnami, Purnami
Jurnal Polimesin Vol 23, No 6 (2025): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i6.8234

Abstract

This study aims to develop more efficient activated carbon-basedsemiconductor materials through modification with phenolic compounds to reduce the energy gap and increase adsorption capacity. Activated carbon was modified by adding phenolic compounds, then characterized using FTIR, UV-Vis, SEM, and EDS to analyze structural, morphological, and electronic changes. The UV-Vis characterization results showed that the AC 70 + F 30 sample experienced a wavelength shift towards the x-axis, which indicates a decrease in energy gap and is confirmed by Tauc plot analysis from 3.60 eV to 2.98 eV. SEM-EDS results revealed changes in pore morphology and a decrease in carbon content due to the interaction between activated carbon and phenolic compounds. These findings indicate that phenolic modification effectively reduces the energy gap and improved charge-transfer characteristics, thereby contributing to the development of more environmentally friendly and efficient activated carbon-based semiconductor materials.
Reboisasi dan Rehabilitasi Lahan di Bukit Lambosir Kawasan Taman Nasional Gunung Ciremai Bersama Kelompok Masyarakat Ciremai Green Lambosir Sulistyono, Sulistyono; Sofyan H. Nur; Zamzam Saeful Anwar; Deden Ramdhan Hadi
Empowerment : Jurnal Pengabdian Masyarakat Vol. 8 No. 03 (2025): Empowerment
Publisher : Program Studi Ilmu Hukum Fakultas Hukum Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/empowerment.v8i03.11908

Abstract

Forest degradation and land conversion threaten the ecological functions of conservation areas. Mount Ciremai National Park (TNGC) in West Java faces increasing pressures from local activities and unregulated tourism. The “Forest and Land Rehabilitation” is a community-based conservation service program involving the Ciremai Green Lambosir community group (Kompepar). The program aimed to enhance human resource capacity, conduct reforestation using endemic vegetation, provide ecotourism interpretation facilities, and promote conservation-based tourism. The implementation methods included training, participatory discussions, planting endemic trees, installing interpretation boards, and promoting the site through social media. The results show increased Kompepar members’ capacity in tourism interpretation, identification and planting of 11 native vegetation species, and greater community engagement in reforestation. The program provided ecological benefits through improved vegetation cover, social benefits through strengthened community institutions, and economic benefits through ecotourism promotion.
Uji Tarik Komposit Serat Alam (Batang Pisang) dengan Variasi Resin Polimer dan Fraksi Volume sebagai Material Struktur Cladding Pranoto, Bayu; Firmansyah, Hilmi Iman; Wirawan, Wirawan; Sulistyono, Sulistyono
Metrotech (Journal of Mechanical and Electrical Technology) Vol 5 No 1: Januari 2026
Publisher : Fakultas Sains dan Teknologi, UNIRA Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Limbah pohon pisang yang meliputi batang pohon memiliki potensi pemanfaatan yang beragam, diantaranya dapat digunakan menjadi struktur material pada bahan bangunan salah satu diantaranya adalah cladding. Pada penelitian ini dibuat komposit menggunakan serat alam (batang pisang) menggunakan berbagai jenis resin polimer dan diuji kekuatan tariknya yang nantinya akan dibuat menjadi struktur cladding. Cladding merupakan salah satu teknik dalam konstruksi dengan mengaplikasikan material yang berbeda-beda dengan tujuan membuat suatu lapisan. Sampai saat ini material yang biasa digunakan sebagai cladding adalah kayu, vinyl, batu veneer dan logam. Komposit mulai digunakan sebagai bahan alternatif pengganti struktur cladding dengan  memanfaatkan serat alam dalam hal ini adalah batang pohon pisang sebagai bahan alternative pengganti material cladding pada umumnya. Penelitian ini mengevaluasi sifat mekanik komposit serat alam berbahan baku batang pisang dengan matrik resin poliester dan epoxy melalui uji tarik. Komposit dibuat dengan tiga variasi fraksi volume serat yaitu 30%, 50%, dan 70% untuk mengetahui pengaruh kadar serat terhadap kuat tarik komposit. Hasil uji tarik menunjukkan bahwa peningkatan fraksi volume serat berbanding lurus dengan peningkatan tegangan tarik komposit. Pada fraksi volume serat 30%, tegangan tarik maksimum yang diperoleh sebesar 10,3 MPa, sedangkan pada fraksi volume 50% meningkat menjadi 13,9 MPa. Tegangan tarik tertinggi dicapai pada fraksi volume serat 70% dengan nilai sebesar 19,0 MPa.
Analisis Perubahan Waktu dan Tekanan Injeksi terhadap Massa dan Kualitas Produk pada Proses Injection Moulding Serfandi, Dina Novera; Fahmiy, Muh Ilham; Hidayati, Alfiana Nur; Prayogo, Dhanang Suryo; Sulistyono, Sulistyono
Jurnal Mekanik Terapan Vol 6 No 3 (2025): Desember 2025
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v6i3.7880

Abstract

The plastic injection moulding process is a dominant manufacturing method for producing high-precision components. Final product quality is highly dependent on process parameters, particularly injection time and injection pressure. This study aims to quantitatively analyze the influence of these parameters on product weight and quality, specifically in mitigating common defects such as shrinkage and short shots. Utilizing polypropylene material, a factorial experimental design was implemented by varying injection time 3,5 s, 4 s, 4,5 s and pressure 36 bar, 37 bar, 38 bar. Each parameter combination was replicated five times to ensure data validity. Product weight was measured using a digital scale, and visual quality was manually evaluated. The findings indicate that increases in injection time and pressure significantly enhanced product weight and reduced defects. An optimal combination of a 4 s injection time and 37 bar pressure was identified, yielding products with consistent weight and superior visual quality. These results offer practical guidance for optimizing production processes and improving efficiency. Keywords: Injection Moulding, Injection Time, Injection Pressure, Product Quality.
Co-Authors Aan Eddy Antana, Aan Eddy Agung Sugeng Widodo Anna Fitri Hindriana Arip, Asep Ginanjar Asrori Asrori Binaridha Kusuma Ningtyas Deden Ramdhan Hadi Demas YogoPranoto, Demas Diana Eka Poernamawati Dini Indriani, Dini Eko Yudiyanto Endang Suswati Fadhlurrohman Aziz, Naufal Hanif Fahmiy, Muh Ilham Faizal, Elka Farida, Nike Nur Febrina Secsaria Handini Gofur, Muradi Abdul H. Nur, Sofyan Hidayati, Alfiana Nur Hilmi Iman Firmansyah Ifa Pannya Sakti Kris Witono Lestari, Gita Ayu Lestari, Try M. Jamal Abdul Nasir Mila Karmila Muhammad Fakhruddin Muzaki, Mochamad Novebrianti, Sri Ajeng Nur, Sofyan Hasanuddin Nur, Sofyan Hasanudin Nurhasanah, Nunun Pranoto, Bayu Prayogo, Dhanang Suryo Purnami Purnami Putu Hadi Setyarini Qisthi, Chairul Umam Rahmadanti, Rahmadanti RR. Ella Evrita Hestiandari Samsuni, Samsuni Satriadi, Asep Satworo Adiwidodo Serfandi, Dina Novera Shafly Kh, Irfan Hariz Sofyan H. Nur Sugeng Susilo, Sugeng Susanti, Fajar Tyas, Arie Rahmaning Wahidin Wahidin Wirawan Wirawan Zaenal Abidin Zakijah Irfin Zamzam Saeful Anwar