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All Journal E-Dimas: Jurnal Pengabdian kepada Masyarakat ALCHEMY Jurnal Penelitian Kimia Abdi Masya
Muhammad Farhan
Universitas Sebelas Maret
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Energy Engineering Environmental Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Upaya Peningkatan Pengetahuan Pengolahan Sampah melalui Penyuluhan Sampah Organik dan Anorganik di Desa Siwal Anisa Ayu Solikah; Yudho Taruno Muryanto; Kirana Eka Putri; Jesica Rahayu; Rifdah Shohwatul Adilah; Muhammad Farhan; Mia Ambarwati; Inna Maya Sari; Muhammad Argiadi Ramadhan; Arwendy Melyndra
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 15, No 4 (2024): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v15i4.16388

Abstract

Permasalahan sampah di Indonesia merupakan permasalahan yang krusial di mana masih terdapat pengelolaan sampah yang kurang tepat, ditambah setiap tahunnya peningkatan hasil sampah semakin banyak setiap hari. Pengelolaan sampah dapat dilakukan dengan langkah awal yang benar, yaitu dengan pemisahan jenis sampah (organik dan anorganik) setiap akan membuang sampah. Melalui upaya pengenalan dan peningkatan pengetahuan masyarakat terkait hal ini, kelompok KKN UNS 215 menyelenggarakan sosialisasi terkait urgensi pemisahan sampah organik dan anorganik serta menyediakan sepuluh pasang tong sampah hias untuk diletakkan pada lokasi-lokasi strategis di Desa Siwal tepatnya di Dukuh Gondang sebagai peningkatan kesadaran masyarakat tentang pemisahan sampah yang baik dan benar. Metode yang digunakan dalam kegiatan ini adalah observasi kelompok sasaran, perancangan program, sosialisasi kepada pemerintah desa, persiapan sarana dan prasarana, publikasi dan evaluasi, serta penyerahan dan pembuatan laporan. Hasil dan dampak yang diterima adalah Desa Siwal tepatnya di Dukuh Gondang memiliki sepuluh pasang tong sampah hias yang diletakkan di lokasi strategis desa dengan harapan agar masyarakat desa dapat meningkatkan kesadarannya terhadap pemisahan dalam sampah.
Design and Construction of a Portable Plastic Bottle and Gallon Shredding Machine Driven by a 4-Stroke Motor in Buran Village, Karanganyar Sukmaji Indro cahyono; Syafruddin Arsyad; Kevin William Markus Simbolon; Muhammad Farhan
Abdi Masya Vol 7 No 1
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/abdimasya.v7i1.642

Abstract

Buran Village in Karanganyar Regency faces challenges in managing household plastic waste, particularly used bottles and gallon jugs, due to limited shredding technology. Existing industrial-scale plastic shredders are generally very large, expensive, and require three-phase electricity, making them unsuitable for rural communities. Meanwhile, the manual methods and simple tools used by the community have proven inefficient and pose a risk of injury. This community service program aims to design and build a portable plastic shredder powered by a 4-stroke motorcycle as an appropriate technology solution for Buran Village. The implementation method includes identifying field problems, surveying user needs, conceptualizing and detailing designs, fabricating a prototype, and conducting initial performance tests. The result is a compact, portable shredder powered by a 125cc 4-stroke gasoline engine. The shredding mechanism uses three dynamic blades and one static blade capable of shredding plastic bottles and gallon jugs into 1–2 cm pieces on average. The machine is equipped with wheels and a handle for portability, as well as safety features such as a blade cover, a safety hopper, and a push lever. Trials demonstrated that the machine can continuously shred approximately 15 kg of PET waste per day, reducing waste volume by >80% at the source. Implementation and evaluation results indicated that the machine is easy to operate, independent of PLN electricity supply, and has the potential for widespread community replication using components commonly available in local workshops. Implementation of this technology in Buran Village is expected to improve the efficiency of plastic waste management, increase the economic value of waste for residents, and support efforts to reduce plastic pollution.
Screen-printed Carbon Electrode from Coconut Shell Activated Carbon Modified with Ferrocene for Cobalt Detection Muhammad Farhan; Eddy Heraldy; Abu Masykur; Muhammad A. Munir; Fitria Rahmawati
ALCHEMY Jurnal Penelitian Kimia Vol 20, No 2 (2024): September
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.20.2.81386.247-256

Abstract

This research aims to fabricate a screen-printed carbon electrode (SPCE) from coconut shell charcoal. The charcoal was activated with NaOH to produce activated carbon (Ac). It was mixed with acetylene black (AB) and poly (vinylidene) Fluoride (PVDF) at the mass ratio of 7:2:1 for the Ac, AB, and PVDF, respectively, followed by a dispersing with N-Methyl-2-Pyrrolidinone (NMP) producing carbon slurry that was painted on a SPCE template. To increase electrochemical sensitivity, ferrocene, Fc was dropped onto the working electrode part at 10%, 20%, and 30% of the total SPCE mass. The results show that Ac is amorphous with a porous chip-like morphology containing 61.7% carbon. Ac shows vibrations of O–H, C=O, C=C, C–O, and Si–O with surface area and average pore size of 154.612 m2 g-1 and 1.42 nm, respectively. The cyclic voltammetry analysis found that 10% Fc on SPCE provides the highest current density compared to 20% and 30%. Meanwhile, the 2 mV s-1 scanning rate reveals a more defined anodic and cathodic peak than 3 mV s-1 and 5 mV s‑1. Furthermore, the SPCE with 10% Fc shows a good sensitivity to Co (II) ions, proven by a low detection limit (LoD) of 0.224 mmol L-1
Co-Authors Abu Masykur Anisa Ayu Solikah Arwendy Melyndra Eddy Heraldy Fitria Rahmawati Inna Maya Sari Jesica Rahayu Kevin William Markus Simbolon Kirana Eka Putri Mia Ambarwati Muhammad A. Munir Muhammad Argiadi Ramadhan Rifdah Shohwatul Adilah Sukmaji Indro cahyono Syafruddin Arsyad Yudho Taruno Muryanto