Vol 29, No 1 (2025)

May

Jurnal IPTEK Vol. 29 No. 1, May 2025, contains articles authored by scholars affiliated with institutions in Indonesia and Malaysia, listed as follows:

Indonesia: Akademi Komunitas Industri Tekstil dan Produk Tekstil Surakarta, Ciputra University Surabaya, Institut Teknologi Adhi Tama Surabaya, Institut Teknologi PLN, Universitas Indonesia, Universitas Malikussaleh, Universitas Muhammadiyah Aceh, Universitas Negeri Medan, Universitas Sriwijaya;

Malaysia: Universiti Tun Hussein Onn Malaysia.

Table of Contents

Cover, Editorial Board, Table of Contents
 
PDF
i-iv
Optimization of Mechanical Performance Polymer Insulators SiR Using CFA Waste as Filler
Miftahul Fikri, Iwa Garniwa Mulyana K, Christiono Christiono, Andi Amar Thahara
DOI: 10.31284/j.iptek.2025.v29i1.4923
PDF
1-10
Implementation of Convolutional Neural Network in Detecting Avocado Ripeness Level
Miclyael Luge, Zulfahmi Indra, Hermawan Syahputra, Said Iskandar Al Idrus, Kana Saputra S
DOI: 10.31284/j.iptek.2025.v29i1.6737
PDF
11-18
Making Biochar from Coffee Grounds and Powder Waste Through the Torrefaction Process and Adding NaHCO3
Muhammad Faturrahman, Zulnazri Zulnazri, Rozanna Dewi
DOI: 10.31284/j.iptek.2025.v29i1.6666
PDF
19-26
Smart Lighting System for Vocational Campus Workshop Environment
Ahmad Darmawi, Hasna Khairunnisa, Dedy Harianto, Agus Ardiyanto
DOI: 10.31284/j.iptek.2025.v29i1.7729
PDF
27-36
Effectiveness of Reducing Ammonia Levels in Hospital Wastewater Using A Combination of Bagasse Bio Adsorbent and Nanofiltration Membrane
Laily Noor Fitri Lestari, Subriyer Nasir, Leily Nurul Komariah
DOI: 10.31284/j.iptek.2025.v29i1.7691
PDF
37-48
Synthesis of Zeolite from Coal Bottom Ash Using Hydrothermal Method as An Adsorbent for Heavy Metals Cd, Pb, Fe, and Cu
Yayat Setiawan, David Bahrin, Leily Nurul Komariah
DOI: 10.31284/j.iptek.2025.v29i1.7715
PDF
49-58
Diagenetic Controls on Porosity in Sandstones of the Talang Akar Formation: A Case Study from the Rambangnia River Track, South OKU, South Sumatra
Yogie Zulkurnia Rochmana, Stevanus Nalendra Jati, Mega Puspita, Idarwati Idarwati, Ridho Pranata
DOI: 10.31284/j.iptek.2025.v29i1.6746
PDF
59-68
The Impact of Information Management Systems on Supervision and Control of Construction Projects
Hafnidar A. Rani, Jurisman Amin, Luthfi Aldiansyah Irawan, Muhammad Shafly Aqsha
DOI: 10.31284/j.iptek.2025.v29i1.7594
PDF
69-78
Implementation of the Islamic Form Concept in the Main Building of the Islamic Center Area in Sidoarjo City
M. Fatchur Rozi, Wiwik Widyo Widjajanti, Ika Ratniarsih
DOI: 10.31284/j.iptek.2025.v29i1.6714
PDF
79-86
Implementation of Contemporary Architecture in the Shape of the Main Building in the Central Area of the Creative Arts and Music Industry in Surabaya
Stevanus Agustian Wibowo, Ika Ratniarsih, Failasuf Herman Hendra
DOI: 10.31284/j.iptek.2025.v29i1.6660
PDF
87-94
Extraction and Characterization of Cellulose from Arabica Spent Coffee Grounds
Raymond Hamidy, Hans Rachman, Jaclyn Regina Anggara, Joko Sulistyo, Nyoman Puspa Asri
DOI: 10.31284/j.iptek.2025.v29i1.7815
PDF
95-104