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All Journal JOIN (Jurnal Online Informatika) Aplikasia: Jurnal Aplikasi Ilmu-Ilmu Agama
Ibnu Raju Humam
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SOCIALIZATION OF COCONUT SHELL LIQUID SMOKE AS A DEODORANT OF FOUR-LEGGED LIVESTOCK MANURE IN LOBANG, KARANGANYAR Nindi Dewi Istiqomah; Ibnu Raju Humam; Esti Mustafida; Nurroh Maya; Dwi Wahyu Priyodigdo
Aplikasia: Jurnal Aplikasi Ilmu-ilmu Agama Vol. 24 No. 2 (2024)
Publisher : UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/aplikasia.v24i2.3858

Abstract

This study aims to address the issue of unpleasant odors from cattle manure in Dusun Lobang, Karanganyar, Central Java, by applying liquid smoke derived from coconut shells. The primary problem identified is the ammonia odor that disrupts community comfort. The methods employed include observation, socialization, and practical training in liquid smoke production, followed by direct application to livestock shelters. The results indicate that liquid smoke effectively reduces unpleasant odors gradually, with 80% of residents demonstrating understanding and enthusiasm towards the technique. The benefits of this research include improved environmental quality and enhanced knowledge among farmers about waste management. The study's limitations include the gradual reduction of odor and the simplicity of the smoke production technology. Recommendations for future research include long-term studies and the development of more efficient production tools, as well as policy support for implementing similar technologies in other regions. ============================================= Penelitian ini bertujuan untuk mengatasi masalah bau tidak sedap yang dihasilkan dari kotoran ternak sapi di Dusun Lobang, Karanganyar, Jawa Tengah, melalui pengaplikasian asap cair dari tempurung kelapa. Masalah utama yang diidentifikasi adalah bau amonia yang mengganggu kenyamanan masyarakat. Metode yang digunakan meliputi observasi, sosialisasi, dan praktik pembuatan asap cair, serta penyemprotan langsung ke kandang ternak. Hasil penelitian menunjukkan bahwa asap cair efektif mengurangi bau tidak sedap secara bertahap, dengan tingkat pemahaman dan antusiasme warga mencapai 80%. Manfaat dari penelitian ini mencakup peningkatan kualitas lingkungan dan pengetahuan peternak tentang pengelolaan limbah. Keterbatasan penelitian meliputi variabilitas bau yang memerlukan waktu untuk menghilang dan teknologi alat pengolah yang masih sederhana. Rekomendasi untuk penelitian selanjutnya adalah kajian jangka panjang dan pengembangan alat yang lebih efisien, serta dukungan kebijakan untuk penerapan teknologi serupa di daerah lain.
Vehicle Routing Problem: A Performance Comparison of Hybrid Evolutionary Algorithm with Local Search Strategies Maria Ulfah Siregar; Thoriq Firdaus Arifin; Muhammad Javier Badruttamam; Maulida Suryaning Aisha; Ibnu Raju Humam; Muhammad Hafiz; Siti Mutmainah
JOIN (Jurnal Online Informatika) Vol 11 No 1 (2026)
Publisher : Department of Informatics, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/join.v11i1.1539

Abstract

The Vehicle Routing Problem (VRP), one of the most challenging problems in logistics and transport, has been an area of optimization solutions to minimize costs and optimize the operational process. This study examines a hybrid of metaheuristic algorithms that are combinations of the Genetic Algorithm (GA), Particle Swarm Optimization (PSO), Simulated Annealing (SA), and Local Search (LS) to tackle various complexities of VRP. The hybrid approach offered better exploration and exploitation by integrating global explorations with GA and PSO and local refinement with SA and LS. The performance was performed using real datasets and generated randomly with problem sizes ranging from 9 to 100 customers. PSO-LS and GA-LS are LS-based hybrids that produce lower standard deviations, showing a stable and consistent result for small to medium problems. For example, PSO-LS computed 3.31 for 9 customers and 5.76 for 50 customers. However, SA-based hybrids, such as PSO-SA and GA-SA, presented more variability, with SA-GA reaching 100 customers as much as 7.83. These findings highlight key trade-offs while optimizing VRP between stability, efficiency, and problem scale.
Co-Authors Dwi Wahyu Priyodigdo Esti Mustafida Maria Ulfah Siregar Maulida Suryaning Aisha Muhammad Hafiz Muhammad Javier Badruttamam Nindi Dewi Istiqomah Nurroh Maya Siti Mutmainah Thoriq Firdaus Arifin